Xbox 360:GPU Retrofit: Difference between revisions
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== Falcon == | == Falcon == | ||
Both variants of the Jasper | Both variants of the Jasper 65nm GPU can be retrofitted onto a Falcon motherboard. [https://www.youtube.com/watch?v=GnZIr4XbvZ0 (Demo Video)] | ||
Guide By: Octal450 | Guide By: Octal450 | ||
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''' Modify Firmware ''' | ''' Modify Firmware ''' | ||
* Use [https://github.com/Octal450/J-Runner-with-Extras/releases J-Runner with Extras] to dump the nand, then RGH the console to get the CPU key | * Use [https://github.com/Octal450/J-Runner-with-Extras/releases/latest J-Runner with Extras] to dump the nand, then RGH the console to get the CPU key | ||
* Change the type to Jasper 16MB | * Change the type to Jasper 16MB | ||
* Set the required XeBuild options and build the image | * Set the required XeBuild options and build the image | ||
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== Jasper V1 == | == Jasper V1 == | ||
The Kronos1 | The Kronos1 GPU can be retrofitted onto a Jasper V1 motherboard. | ||
Guide By: Octal450 | Guide By: Octal450 | ||
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''' Modify Firmware ''' | ''' Modify Firmware ''' | ||
* Use [https://github.com/Octal450/J-Runner-with-Extras/releases J-Runner with Extras] to dump the nand | * Use [https://github.com/Octal450/J-Runner-with-Extras/releases/latest J-Runner with Extras] to dump the nand | ||
* Open the SMC Config Editor from the Nand menu, and update the thermal targets from the table above | * Open the SMC Config Editor from the Nand menu, and update the thermal targets from the table above | ||
* Write the nand to the console | * Write the nand to the console | ||
Revision as of 18:12, 17 June 2022
 | This page is intended for advanced technicians only. If you do not have advanced component and BGA rework skills, you will not be able to complete the process successfully. |
Some GPUs can be retrofitted onto earlier boards. This page contains instructions for what changes need to be done in order for the retrofit to work.
Falcon
Both variants of the Jasper 65nm GPU can be retrofitted onto a Falcon motherboard. (Demo Video)
Guide By: Octal450
Instructions
GPU Table
| Name | Part Number | GPU/eDRAM Lithography | GPU/eDRAM Temp Target |
|---|---|---|---|
| Zeus | X817793 | 65nm/80nm | 71C/73C |
| Kronos1 | X820894 | 65nm/65nm | 73C/75C |
Install GPU
- Replace 80nm U4D1 with 65nm
Set VID 1.075V
- Remove 0 ohm R8B9
- Remove 0 ohm R8B10
Set FSB/PCIe/Memory Calibration
- FSB:
- Install 40.2 ohm R4R9
- Remove 4.87K ohm R5R3
- PCIe:
- Remove 1.47K ohm R4R3
- Remove 562 ohm R5D1
- Replace 2K ohm R5D2 with 49.9 ohm
- Memory:
- Replace 40.2 ohm R4R8 with 240 ohm
- Replace 40.2 ohm R4T1 with 240 ohm
Tie V_GPUPCIE to V_GPUCORE
- Remove 0 ohm R4C31
- Install 0 ohm R4P13
- Install 0 ohm R4P14
- Remove IC U5C1
Modify Firmware
- Use J-Runner with Extras to dump the nand, then RGH the console to get the CPU key
- Change the type to Jasper 16MB
- Set the required XeBuild options and build the image
- Open the SMC Config Editor from the Nand menu, and update the thermal targets from the table above
- Write the nand to the console
Jasper V1
The Kronos1 GPU can be retrofitted onto a Jasper V1 motherboard.
Guide By: Octal450
Instructions
GPU Table
| Name | Part Number | GPU/eDRAM Lithography | GPU/eDRAM Temp Target |
|---|---|---|---|
| Kronos1 | X820894 | 65nm/65nm | 73C/75C |
Install GPU
- Replace 65nm/80nm U4D1 with 65nm/65nm
Modify Firmware
- Use J-Runner with Extras to dump the nand
- Open the SMC Config Editor from the Nand menu, and update the thermal targets from the table above
- Write the nand to the console