PS2:PS2 Model Differences: Difference between revisions

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[[Category:PS2]]
[[Category:PS2]]
'''Page content & researching collaboratively taken from [https://io55.net/wiki/eop/video_game_consoles-home/6th_generation/sony_playstation_2 io55.net's PS2 page] with permission.'''\
'''Page content & researching collaboratively taken from [https://io55.net/wiki/eop/video_game_consoles-home/6th_generation/sony_playstation_2 io55.net's PS2 page] with permission.'''


There are two (or five) PS2 models, and a variety of revisions within two of them.
There are two (or five) PS2 models, and a variety of revisions within two of them.
Line 8: Line 8:
''Models are arranged chronologically. Revisions are underneath their respective model.''
''Models are arranged chronologically. Revisions are underneath their respective model.''


=== “PlayStation 2 (original)” (2000-2004) ===
=== PlayStation 2 (2000-2004) ===


Commonly referred to as the “fat”, these systems have the most concise set of features, compared to the Slim. DVD drive + buttons, 2 memory card and controller slots, 2 USB ports, 1 IEEE 1394 port (earlier revisions), AV out, IR port (later revisions), and an expansion bay for the Network + HDD adapter. Quality and featureset varies by the revision, which obviously is covered shortly. Typically the most reliable, with some variance across revisions.
Commonly referred to as the "fat" or "phat", these systems have the most concise set of features compared to the Slim. It features a tray loading CDVD drive, 2 memory card and controller slots, 2 USB ports, 1 IEEE 1394 port (earlier revisions), AV out, IR port (SCPH-500xx revision), and an expansion bay for the Network + HDD adapter. Quality and featureset varies by the revision. Typically the most reliable, with some variance across revisions.


==== “SCPH-10000/15000/18000” (2000) ====
==== SCPH-10000/15000 (AKA: The 'ProtoKernels') (2000) ====


The original launch model of the PS2, exclusive to Japan. These systems lack the expansion bay of later "fat" models, instead having a slot for a PCMCIA card (SCPH-10190). The card adds network functionality, and a connector for a proprietary external HDD (SCPH-20400).
The original launch models of the PS2, exclusive to Japan. These systems lack the expansion bay of later fat models, instead having a slot for a PCMCIA card (SCPH-10190) which offered the same functionalities as later network adapters, but keeping the HDD external.


==== “SCPH-30001(R)/35001” (2000-2002) ====
These two launch models are named by the community as 'ProtoKernels' due to their early kernel software which had a bunch of issues. The only fix for these kernel issues as of today is the usage of a kernel replacement, such as the ones provided on HDD-OSD and PSBBN.


The launch revisions of the PS2 in the United States, with the IEEE 1394, no integrated IR, etc. These lack the ability to use the DVD remote without installing software onto the memory card. Furthermore, they have pretty unreliable lasers that are prone to failing. Lots of motherboard/chassis sub-revisions exist for this revision, and for the most part, they don’t really impact the user. Their one positive is high quality motherboards, which are surrounded by metal shielding. Overheating may be an issue. Be careful with these and their varying reliability.
Unlike the later models which have the expansion bay, these models can't boot HDD software autonomously (intentionally designed by Sony this way).


==== “SCPH-37000” (2002) ====
Chassis wise, these PS2 models had 10 screws on the bottom while the bottom casing was the first thing you had to remove to begin disassembling.


Japanese exclusive model with no US variant. Power consumption was reduced compared to previous Japanese models.
==== SCPH-18000 (2000) ====


==== “SCPH-39001” (2002-2003) ====
The last retail PS2 to use the PCMCIA interface for the HDD.


One of the two “ideal” fat revisions, and typically seen as the “best” by most. Has the IEEE 1394, no integrated IR, etc. These systems upped laser and system reliability, at the cost of increased fan noise. They’re also well built, and it’s possible to swap in the fan from a 50001 into this revision.
Sony made the first major hardware redesign for the console, clearly in preparation for models released outside Japan.


==== “SCPH-50001” (2003-2004) ====
The kernel issues of the previous models are completely fixed on this one.


The other “good” revision of the fat PS2. These consoles don’t have the IEEE 1394 anymore, but have included an integrated IR sensor. This allows the DVD remote to simultaneously do a lot more, while taking less space (controller spot isn’t occupied by a receiver). It’s fans are also much quieter than any prior revision. DVDs will also play at a higher quality (default res is 480p, not i). However, some say they have “cheaper” build quality. One significant caveat is within the lasers, which normally are fine, but are prone to the rare “MechaCon” issue. Such an issue occurs when a certain drive chip “overdrives” the laser in response to a difficult-to-read or unofficial disc. This damages the drive mechanisms, and can even damage the chip itself. Because of this, it’s advised to steer away from using the drive, swap it’s laser, or swap the entire drive (if possible).
The same issue in regards of HDD software remains, but this time the issue was caused because the built-in DEV9 driver (the one that talks to the SPEED chip inside the network adapter) is not compatible with SCPH-10190.


==== SCPH-300xx (without 'R' at the end) ====


=== “PlayStation 2 Slim” (2004-2013) ===
The PS2 launch models outside of Japan.


A much smaller version of the PS2 that was manufactured for quite some time. These systems lose the extension port and the IEEE 1394, and often times required an external power brick. Furthermore, their individual revisions are quite hit-or-miss when it comes to homebrew, game compatibility, or laser reliability.
Hardware wise, they're very similar to the SCPH-18000 but with an expansion bay interface for the HDD.


==== “SCPH-70001/70012” (2004-2005) ====
These models can be easily spotted as they are the only FAT model with expansion bay that still has iLink port aligned to lower USB and 10 bottom screws.


With the Slim, Sony removed the expansion slot and integrated networking. This results in the loss of easy HDD installation. However, this revision actually retains a full network adapter internally, which means a drive still can be installed via modding. In essence, this Slim is just a smaller 50001. However, the “shrinking” actually worsened their reliability, making them especially prone to MechaCon & overheating. Note: 70001 has only Ethernet port; 70012 has both Ethernet and 56k line port.
Please note that SCPH-30000 (Japan) do not correspond to this model, they're equivalent to the 30xxx'''R'''. Because by the time the launch models outside of Japan were released, Japanese market still had the SCPH-18000 circulating.


==== “SCPH-75001” (2005-2006) ====
==== SCPH-300xx(R)/350xx (2001-2002) ====


Starting with this version of the Slim, the ability to mod in HDD support has been completely axed. Furthermore, internal chip changes cause these systems to run into game compatibility issues (notably, the I/O processor containing a MIPS R3000A CPU core previously used for backwards compatibility among other things was replaced with a PowerPC-based I/O processor called "Deckard"). In essence, this revision has none of the benefits of either the 70000s or the 77000s and above. They only come with minor negatives, so it’s best to avoid these. Homebrew is still possible.
These models got some heavy redesigning on the motherboard. This wouldn't change much up to the 390xx series.  


==== “SCPH-77001” (2006-2007) ====
The major difference was the chassis redesign, as these models have the amount of bottom screws dropped to 8 with disassembling now required to start from the top side of the casing.


Not much has changed with these, compared to the 75001, except game compatibility. Software changes starting from this revision improved compatibility with both PS1 and PS2 games, which in essence makes it a slightly better 75001. Homebrew is once again, still possible.
==== SCPH-37000 (2002) ====


==== “SCPH-79001” (2007) ====
Japanese exclusive model. Power consumption was reduced compared to previous models.


Sony’s “shrinking” trend has continued, as the 79001 is the lightest and smallest (internally) of all Slims. Otherwise, they’re pretty much the same as the 77001, with potential minor aberrations in compatibility with games. Homebrew still works fine.
These models featured exclusive colors, never seen again on any other PS2 model. These are:
* SCPH-37000L: The 'Ocean Blue' model, featuring a semi-transparent blue colored casing.
* SCPH-37000B: The 'Zen Black' model, featuring a semi-transparent black colored casing.


==== “SCPH-90001” (2007-2013) ====
==== SCPH-390xx (2002-2003) ====
 
This is the second to last revision of the original PlayStation 2. It is similar to the SCPH-37000 but released outside Japan.
 
These models are believed to be the best in regards of disc reading and reliability.
The truth is that this was a myth fueled by modchip installers at that time, because these revisions are the easiest to install a modchip on.
 
This is not a minor detail, because this is also the first model to be susceptible to the MechaCon Crash (this is probably not a coincidence).
The frequency in which this issue occurs was so low that many people still believe that MechaCon crash was introduced on the 500xx models.
 
==== SCPH-500xx (2003-2004) ====
 
The last major hardware revision of the original PS2. The main aspects are:
 
* Introduction of built-in IR receiver for DVD remotes
* Replacement of the MechaCon with a new model
* Removal of the SYSCON chip, whose functionality was moved into the new MechaCon
* Ability to update MechaCon software via patches on encrypted area of EEPROM (this feature is the one exploited by Mechapwn)
* Removal of the IEEE 1394 (iLink) port
 
On these models, the frequency in which the Mechacon crash can happen increased considerably.
 
There's also a hidden feature on the BIOS in these models. Two new drivers (''rom0:FLASH'' and ''rom0:XFROMMAN'') were intended to operate the XFROM, a memory card flash chip installed as a DEV9 Subsystem (just like HDD and networking), the console OSDSYS (main menu) was coded to load these drivers and search for software updates inside XFROM.
However, Sony never made a network adapter revision which had this new hardware implemented, resulting in this feature to be useless. Only the PSX DESR systems had the chance of seeing this feature working.
 
=== PlayStation 2 Slim (2004-2013) ===
 
A much smaller version of the PS2 that was manufactured for quite some time. These systems lose the expansion port and the IEEE 1394, and often times required an external power brick. The DVD drive was also changed to be a top loading tray. All Slim PS2s have a built in IR receiver.
 
==== SCPH-700xx (2004-2005) ====
 
The first Slim model. The first batches of this model are essentially a smaller version of the SCPH-500xx models.
 
To maintain network compatibility, Sony manufactured these models with a built-in SPEED chip. While not officially supported, they retain the capability of internal HDD usage due to having this chip. However, it is unable able to load HDD software autonomously like the original SCPH-1x000 models.
 
This model has at least three major revisions. In one of them, the Graphics Synthetiser was merged with the Emotion Engine. (EE+GS)
 
These models were very susceptible to the MechaCon crash, up to the point where Sony was sued on the USA. Thanks to this, Sony fixed the issue on the last revision of this model (Which can be identified by the MechaCon software version, has to be 6.04 or higher) with extra circuitry that was added to shut down the console when MechaCon crash is about to happen.
 
==== SCPH-750xx (2005-2006) ====
 
The first PS2 without hardware retrocompatibility.
 
Sony removed the PS1 MIPS R3000A which acted as the I/O CPU, replacing it with a PowerPC CPU. It was in charge of emulating the behavior of the PS1 CPU, and also took control over the network features of the SPEED chip which was the removed from the design of the console. This allowed Sony to finally and completely ditch the hard drive support.
 
The replacement of the PS1 CPU affected both PS1 and PS2 software. Compatibility fixes where introduced for some of those affected games.
 
==== SCPH-770xx (2006-2007) ====
 
Not much has changed with these compared to the 750xx, except game compatibility. Software changes starting from this revision improved compatibility with a few more PS1 and PS2 games, which in essence makes it a slightly better 750xx.
 
==== SCPH-790xx (2007) ====
 
Sony’s shrinking trend has continued, as the 790xx is the lightest and smallest (internally) of all Slims. Otherwise, they’re pretty much the same as the 770xx.
 
==== SCPH-900xx (2007-2013) ====


[[File:PlayStation 2 label.png|thumb|right]]
[[File:PlayStation 2 label.png|thumb|right]]


Finally, the “shrinking” trend has reversed with the final Slim. This is because Sony returned to an internal PSU design with these systems, while also adjusting the external cosmetics slightly. Reliability has also been enhanced a significant amount. However, the one huge issue is that most all 900xxs are very difficult for homebrew, as a change to the BIOS disabled FreeMcBoot (the easiest method). The old firmware is found, with very few exceptions, on P-chassis consoles, which comprise most Fall 2008 (datecode 8C) and earlier units.
Finally, the shrinking trend has reversed with the final Slim. This is because Sony returned to an internal PSU design with these systems, while also adjusting the external cosmetics slightly. Reliability has also been enhanced a significant amount. However, the one huge issue is that most all 900xx's are incapable of running homebrew automatically, since Sony found out of FreeMcBoot's existence and removed the memory card system update mechanisms from OSDSYS, which was the entry point of FreeMcBoot. The old firmware is found, with very few exceptions, on P-chassis consoles which comprise mostly of Fall 2008 (datecode 8C) and earlier units.
 
=== Other ===
 
==== PSX (2003-2005) ====
 
A DVR with a built-in PS2 released exclusively in Japan. Has a built-in Ethernet jack, as well as a built-in HDD. HDD was either 160GB (DESR-5xxx) or 250GB (DESR-7xxx). DESR-7500 and DESR-7700 models also have an IEEE 1394 port. It was the first device Sony made that used the XrossMediaBar, which would later be used in the PSP and PS3. The console is incompatible with multitaps, limiting game selection to single or 2 player games. The system is also known for poor reliability, with its HDD having high failure rates. The HDD cannot be replaced due to software security on the DVRP chip, which has no public cracks as of 2023.
 
Although it's based on SCPH-500xx, PSX consoles do not experience Mechacon crashes. Thus, they don't need a PIC fix modification to prevent laser burning.
 
Their HDD use a modified scheme. The first 40gb behaves exactly like a common PS2 HDD. After that, the rest of the HDD is encrypted sector by sector, and can only be accessed with specific software capable of interacting with the DVRP chip, this encrypted area holds only two partitions, which store information for the XMB, including recorded video.
 
Unlike common PS2s, the PSX does not boot HDD software autonomously. First, it searches for memory card updates (like a common PS2), if it can't find any card update, it launches a special bootloader stored on the console internal flash (XFROM), this bootloader performs some minor tasks, then it proceeds to run the HDD MBR bootstrap, which will then perform some minor HDD integrity checks, and then run XMB if everything is okay.
 
===== DESR-7000 and DESR-5000 =====
These are the release models of the PSX. They feature the 1.06 firmware when stock and can be updated up to 1.31. They do not feature the IEEE 1394 port or support exporting videos to Memory Sticks. All models have an input for a satellite TV tuner and VHF/UHF tuner.


=== “Other” ===
===== DESR-7100, DESR-5100, and DESR-5100S =====
Minor revision to the PSX. They instead come with the 1.30 firmware, but the maximum updatable firmware is still 1.31. I/O is the same as the original revisions, and also feature satellite/VHF/UHF inputs.


==== "PSX" (2003-2005) ====
===== DESR-7500 and DESR-5500 =====
These models of the PSX were a major revision to the console and featured a new motherboard. The weight of the consoles also increased around 1kg. The DESR-5500 no longer has a satellite inputs, as that was reserved for the 7500. The DESR-7500 also featured a satellite output. Power consumption on the DESR-5500 was slightly reduced compared to older 5xxx models, but the DESR-7500 had slightly increased power consumption. The DESR-7500 also added the IEEE 1394 port for iLink compatability. DESR-x500 models come with the 2.06 firmware, and can be updated to 2.11. Exporting video to memory sticks was enabled on these models with the 2.11 firmware.


A DVR with a built-in PS2 released exclusively in Japan. Has a built-in Ethernet jack, as well as a built-in HDD. HDD was either 160GB or 250GB depending on the model. Some models also have an IEEE 1394 port. It was the first device Sony made that used the XrossMediaBar, which would later be used in the PSP and PS3. The console is incompatible with multitaps, limiting game selection to single or 2 player games. The system is also known for poor reliability, with its DVD laser and HDD having high failure rates. These parts can not be repaired or replaced due to software locks in the firmware, which has not been cracked as of 2022.
=====DESR-7700 and DESR-5700=====
These are a minor revision to the DESR-x500 series. They instead come with a 2.10 firmware version, but are otherwise very similar. The stock firmware already supports exporting video to memory sticks, but can also update to 2.11.


==== "KDL-22PX300" (2010) ====
==== KDL-22PX300 (2010)====


A 22" 1366x768 Sony Bravia TV with a built in PS2. Has a built-in Ethernet jack, but no HDD support. PAL exclusive, and extremely rare.
A 22 1366x768 Sony Bravia TV with a built in PS2.


==== “Debugging Stations” ====
====Debugging Stations ====


Throughout the life of the PS2 several "Debugging Stations" were created for game developers. Both fat and slim models exist. These models can be identified by a model number beginning with "DTL-" instead of "SCPH-" as well as the word "TEST" written on top of the system. Debugging Station systems are region free.
Throughout the life of the PS2, several Debugging Stations were created for game developers. Both fat and Slim models exist. These models can be identified by a model number beginning with DTL-H instead of SCPH- as well as the word TEST written on top of the system (excluding '''DTL-H10000S'''). Debugging Stations are region free.


Contrary to what the name on the sticker indicates, these debugging stations were not capable of performing any debugging tasks on their own. For this, they needed a memory card known as 'TDB Start Up Card'  which provides similar and much more limited debugging functionalities compared to those of the true development station, the PS2 TOOL (DTL-T models).


Without the TDB Start Up Card, the DTL-H models were basically consoles to perform cheaper QA (due to its ability to read backup disks with the only need of having special information in the first sectors of the disk, also known as a master patch)


== References ==
==References==


https://tcrf.net/PlayStation_2
https://tcrf.net/PlayStation_2
Line 83: Line 161:
https://en.wikipedia.org/wiki/PlayStation_2_technical_specifications
https://en.wikipedia.org/wiki/PlayStation_2_technical_specifications


https://shmups.system11.org/viewtopic.php?t=61337 (community “bests”)
https://shmups.system11.org/viewtopic.php?t=61337 (community bests)


https://gametrog.com/playstation-2-two-ps2-slim-info-specs/
https://gametrog.com/playstation-2-two-ps2-slim-info-specs/


https://playstationdev.wiki/ps2devwiki/index.php/Chassis_types
https://psdevwiki.com/ps2/Chassis_types


https://www.reddit.com/r/ps2/comments/a4iolm/what_ps2_is_the_best/ (community “bests”)
https://www.reddit.com/r/ps2/comments/a4iolm/what_ps2_is_the_best/ (community bests)


https://www.reddit.com/r/ps2/comments/oil2a6/scph70012_vs_scph70001/
https://www.reddit.com/r/ps2/comments/oil2a6/scph70012_vs_scph70001/


https://www.ps2-home.com/forum/app.php/page/fmcb-compatible-ps2-models-chart
https://www.ps2-home.com/forum/app.php/page/fmcb-compatible-ps2-models-chart

Latest revision as of 20:51, 22 March 2024

Page content & researching collaboratively taken from io55.net's PS2 page with permission.

There are two (or five) PS2 models, and a variety of revisions within two of them.

Models + Revisions

Models are arranged chronologically. Revisions are underneath their respective model.

PlayStation 2 (2000-2004)

Commonly referred to as the "fat" or "phat", these systems have the most concise set of features compared to the Slim. It features a tray loading CDVD drive, 2 memory card and controller slots, 2 USB ports, 1 IEEE 1394 port (earlier revisions), AV out, IR port (SCPH-500xx revision), and an expansion bay for the Network + HDD adapter. Quality and featureset varies by the revision. Typically the most reliable, with some variance across revisions.

SCPH-10000/15000 (AKA: The 'ProtoKernels') (2000)

The original launch models of the PS2, exclusive to Japan. These systems lack the expansion bay of later fat models, instead having a slot for a PCMCIA card (SCPH-10190) which offered the same functionalities as later network adapters, but keeping the HDD external.

These two launch models are named by the community as 'ProtoKernels' due to their early kernel software which had a bunch of issues. The only fix for these kernel issues as of today is the usage of a kernel replacement, such as the ones provided on HDD-OSD and PSBBN.

Unlike the later models which have the expansion bay, these models can't boot HDD software autonomously (intentionally designed by Sony this way).

Chassis wise, these PS2 models had 10 screws on the bottom while the bottom casing was the first thing you had to remove to begin disassembling.

SCPH-18000 (2000)

The last retail PS2 to use the PCMCIA interface for the HDD.

Sony made the first major hardware redesign for the console, clearly in preparation for models released outside Japan.

The kernel issues of the previous models are completely fixed on this one.

The same issue in regards of HDD software remains, but this time the issue was caused because the built-in DEV9 driver (the one that talks to the SPEED chip inside the network adapter) is not compatible with SCPH-10190.

SCPH-300xx (without 'R' at the end)

The PS2 launch models outside of Japan.

Hardware wise, they're very similar to the SCPH-18000 but with an expansion bay interface for the HDD.

These models can be easily spotted as they are the only FAT model with expansion bay that still has iLink port aligned to lower USB and 10 bottom screws.

Please note that SCPH-30000 (Japan) do not correspond to this model, they're equivalent to the 30xxxR. Because by the time the launch models outside of Japan were released, Japanese market still had the SCPH-18000 circulating.

SCPH-300xx(R)/350xx (2001-2002)

These models got some heavy redesigning on the motherboard. This wouldn't change much up to the 390xx series.

The major difference was the chassis redesign, as these models have the amount of bottom screws dropped to 8 with disassembling now required to start from the top side of the casing.

SCPH-37000 (2002)

Japanese exclusive model. Power consumption was reduced compared to previous models.

These models featured exclusive colors, never seen again on any other PS2 model. These are:

  • SCPH-37000L: The 'Ocean Blue' model, featuring a semi-transparent blue colored casing.
  • SCPH-37000B: The 'Zen Black' model, featuring a semi-transparent black colored casing.

SCPH-390xx (2002-2003)

This is the second to last revision of the original PlayStation 2. It is similar to the SCPH-37000 but released outside Japan.

These models are believed to be the best in regards of disc reading and reliability. The truth is that this was a myth fueled by modchip installers at that time, because these revisions are the easiest to install a modchip on.

This is not a minor detail, because this is also the first model to be susceptible to the MechaCon Crash (this is probably not a coincidence). The frequency in which this issue occurs was so low that many people still believe that MechaCon crash was introduced on the 500xx models.

SCPH-500xx (2003-2004)

The last major hardware revision of the original PS2. The main aspects are:

  • Introduction of built-in IR receiver for DVD remotes
  • Replacement of the MechaCon with a new model
  • Removal of the SYSCON chip, whose functionality was moved into the new MechaCon
  • Ability to update MechaCon software via patches on encrypted area of EEPROM (this feature is the one exploited by Mechapwn)
  • Removal of the IEEE 1394 (iLink) port

On these models, the frequency in which the Mechacon crash can happen increased considerably.

There's also a hidden feature on the BIOS in these models. Two new drivers (rom0:FLASH and rom0:XFROMMAN) were intended to operate the XFROM, a memory card flash chip installed as a DEV9 Subsystem (just like HDD and networking), the console OSDSYS (main menu) was coded to load these drivers and search for software updates inside XFROM. However, Sony never made a network adapter revision which had this new hardware implemented, resulting in this feature to be useless. Only the PSX DESR systems had the chance of seeing this feature working.

PlayStation 2 Slim (2004-2013)

A much smaller version of the PS2 that was manufactured for quite some time. These systems lose the expansion port and the IEEE 1394, and often times required an external power brick. The DVD drive was also changed to be a top loading tray. All Slim PS2s have a built in IR receiver.

SCPH-700xx (2004-2005)

The first Slim model. The first batches of this model are essentially a smaller version of the SCPH-500xx models.

To maintain network compatibility, Sony manufactured these models with a built-in SPEED chip. While not officially supported, they retain the capability of internal HDD usage due to having this chip. However, it is unable able to load HDD software autonomously like the original SCPH-1x000 models.

This model has at least three major revisions. In one of them, the Graphics Synthetiser was merged with the Emotion Engine. (EE+GS)

These models were very susceptible to the MechaCon crash, up to the point where Sony was sued on the USA. Thanks to this, Sony fixed the issue on the last revision of this model (Which can be identified by the MechaCon software version, has to be 6.04 or higher) with extra circuitry that was added to shut down the console when MechaCon crash is about to happen.

SCPH-750xx (2005-2006)

The first PS2 without hardware retrocompatibility.

Sony removed the PS1 MIPS R3000A which acted as the I/O CPU, replacing it with a PowerPC CPU. It was in charge of emulating the behavior of the PS1 CPU, and also took control over the network features of the SPEED chip which was the removed from the design of the console. This allowed Sony to finally and completely ditch the hard drive support.

The replacement of the PS1 CPU affected both PS1 and PS2 software. Compatibility fixes where introduced for some of those affected games.

SCPH-770xx (2006-2007)

Not much has changed with these compared to the 750xx, except game compatibility. Software changes starting from this revision improved compatibility with a few more PS1 and PS2 games, which in essence makes it a slightly better 750xx.

SCPH-790xx (2007)

Sony’s shrinking trend has continued, as the 790xx is the lightest and smallest (internally) of all Slims. Otherwise, they’re pretty much the same as the 770xx.

SCPH-900xx (2007-2013)

PlayStation 2 label.png

Finally, the shrinking trend has reversed with the final Slim. This is because Sony returned to an internal PSU design with these systems, while also adjusting the external cosmetics slightly. Reliability has also been enhanced a significant amount. However, the one huge issue is that most all 900xx's are incapable of running homebrew automatically, since Sony found out of FreeMcBoot's existence and removed the memory card system update mechanisms from OSDSYS, which was the entry point of FreeMcBoot. The old firmware is found, with very few exceptions, on P-chassis consoles which comprise mostly of Fall 2008 (datecode 8C) and earlier units.

Other

PSX (2003-2005)

A DVR with a built-in PS2 released exclusively in Japan. Has a built-in Ethernet jack, as well as a built-in HDD. HDD was either 160GB (DESR-5xxx) or 250GB (DESR-7xxx). DESR-7500 and DESR-7700 models also have an IEEE 1394 port. It was the first device Sony made that used the XrossMediaBar, which would later be used in the PSP and PS3. The console is incompatible with multitaps, limiting game selection to single or 2 player games. The system is also known for poor reliability, with its HDD having high failure rates. The HDD cannot be replaced due to software security on the DVRP chip, which has no public cracks as of 2023.

Although it's based on SCPH-500xx, PSX consoles do not experience Mechacon crashes. Thus, they don't need a PIC fix modification to prevent laser burning.

Their HDD use a modified scheme. The first 40gb behaves exactly like a common PS2 HDD. After that, the rest of the HDD is encrypted sector by sector, and can only be accessed with specific software capable of interacting with the DVRP chip, this encrypted area holds only two partitions, which store information for the XMB, including recorded video.

Unlike common PS2s, the PSX does not boot HDD software autonomously. First, it searches for memory card updates (like a common PS2), if it can't find any card update, it launches a special bootloader stored on the console internal flash (XFROM), this bootloader performs some minor tasks, then it proceeds to run the HDD MBR bootstrap, which will then perform some minor HDD integrity checks, and then run XMB if everything is okay.

DESR-7000 and DESR-5000

These are the release models of the PSX. They feature the 1.06 firmware when stock and can be updated up to 1.31. They do not feature the IEEE 1394 port or support exporting videos to Memory Sticks. All models have an input for a satellite TV tuner and VHF/UHF tuner.

DESR-7100, DESR-5100, and DESR-5100S

Minor revision to the PSX. They instead come with the 1.30 firmware, but the maximum updatable firmware is still 1.31. I/O is the same as the original revisions, and also feature satellite/VHF/UHF inputs.

DESR-7500 and DESR-5500

These models of the PSX were a major revision to the console and featured a new motherboard. The weight of the consoles also increased around 1kg. The DESR-5500 no longer has a satellite inputs, as that was reserved for the 7500. The DESR-7500 also featured a satellite output. Power consumption on the DESR-5500 was slightly reduced compared to older 5xxx models, but the DESR-7500 had slightly increased power consumption. The DESR-7500 also added the IEEE 1394 port for iLink compatability. DESR-x500 models come with the 2.06 firmware, and can be updated to 2.11. Exporting video to memory sticks was enabled on these models with the 2.11 firmware.

DESR-7700 and DESR-5700

These are a minor revision to the DESR-x500 series. They instead come with a 2.10 firmware version, but are otherwise very similar. The stock firmware already supports exporting video to memory sticks, but can also update to 2.11.

KDL-22PX300 (2010)

A 22 1366x768 Sony Bravia TV with a built in PS2.

Debugging Stations

Throughout the life of the PS2, several Debugging Stations were created for game developers. Both fat and Slim models exist. These models can be identified by a model number beginning with DTL-H instead of SCPH- as well as the word TEST written on top of the system (excluding DTL-H10000S). Debugging Stations are region free.

Contrary to what the name on the sticker indicates, these debugging stations were not capable of performing any debugging tasks on their own. For this, they needed a memory card known as 'TDB Start Up Card' which provides similar and much more limited debugging functionalities compared to those of the true development station, the PS2 TOOL (DTL-T models).

Without the TDB Start Up Card, the DTL-H models were basically consoles to perform cheaper QA (due to its ability to read backup disks with the only need of having special information in the first sectors of the disk, also known as a master patch)

References

https://tcrf.net/PlayStation_2

https://en.wikipedia.org/wiki/PlayStation_2_models

https://en.wikipedia.org/wiki/PlayStation_2_technical_specifications

https://shmups.system11.org/viewtopic.php?t=61337 (community bests)

https://gametrog.com/playstation-2-two-ps2-slim-info-specs/

https://psdevwiki.com/ps2/Chassis_types

https://www.reddit.com/r/ps2/comments/a4iolm/what_ps2_is_the_best/ (community bests)

https://www.reddit.com/r/ps2/comments/oil2a6/scph70012_vs_scph70001/

https://www.ps2-home.com/forum/app.php/page/fmcb-compatible-ps2-models-chart

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