SG-1000:Connector Pinouts: Difference between revisions
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Black Majic (talk | contribs) (→Cartridge Port: split into columns for SG1000/1000II/3000) |
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| Line 9: | Line 9: | ||
!SG-1000 | !SG-1000 | ||
!SG-1000 II | !SG-1000 II | ||
! | !SC-3000 | ||
|- | |- | ||
|'''A1''' | |'''A1''' | ||
| Line 54: | Line 54: | ||
|A8 | |A8 | ||
|'''B9''' | |'''B9''' | ||
|{{ActiveLow|RFSH}} | |{{ActiveLow|RFSH}} | ||
|colspan=2| Unused | |||
|- | |- | ||
|'''A10''' | |'''A10''' | ||
| Line 109: | Line 110: | ||
|D5 | |D5 | ||
|'''B20''' | |'''B20''' | ||
|colspan=2|{{ActiveLow|M1}} | |colspan=2|{{ActiveLow|M1}} | ||
|colspan=2| Unused | |||
|- | |- | ||
|'''A21''' | |'''A21''' | ||
| Line 139: | Line 141: | ||
| 4 || Right | | 4 || Right | ||
|- | |- | ||
| 5 || Unused | | 5 || Unused (SG-1000 and SC-3000) / 5V (SG-1000 II) | ||
|- | |- | ||
| 6 || Button 1 | | 6 || Button 1 | ||
| Line 151: | Line 153: | ||
==Expansion Port== | ==Expansion Port== | ||
This expansion port is only found on the SG-1000, SG-1000 II and Othello Multivision consoles. | This expansion port is only found on the SG-1000, SG-1000 II and Othello Multivision FG-2000 consoles. | ||
<small>Note: Pins are numbered from left to right with the edge of the connector facing forward.</small> | <small>Note: Pins are numbered from left to right with the edge of the connector facing forward.</small> | ||
{| class="wikitable" | {| class="wikitable" | ||
! Pin # !! Description | ! Pin # !! Description || Pin # || Description | ||
| | |||
| | |||
|- | |- | ||
| 13 || D6 | | 1 || Ground || 13 || D6 | ||
|- | |- | ||
| 14 || D5 | | 2 || Ground || 14 || D5 | ||
|- | |- | ||
| 15 || D4 | | 3 || Ground || 15 || D4 | ||
|- | |- | ||
| 16 || D3 | | 4 || Ground || 16 || D3 | ||
|- | |- | ||
| 17 || D2 | | 5 || A2 || 17 || D2 | ||
|- | |- | ||
| 18 || D1 | | 6 || Unused || 18 || D1 | ||
|- | |- | ||
| 19 || D0 | | 7 || IOREQ || 19 || D0 | ||
|- | |- | ||
| 20 || A1 | | 8 || CONT || 20 || A1 | ||
|- | |- | ||
| 21 || A0 | | 9 || Write || 21 || A0 | ||
|- | |- | ||
| 22 || Unused | | 10 || Read || 22 || Unused | ||
|- | |- | ||
| 23 || 5V | | 11 || KBSEL || 23 || 5V | ||
|- | |- | ||
| 24 || 5V | | 12 || D7 || 24 || 5V | ||
|} | |} | ||
| Line 252: | Line 230: | ||
| 8 || Red | | 8 || Red | ||
|} | |} | ||
[[Category:SG-1000]] | |||
Latest revision as of 17:49, 1 December 2023
Cartridge Port
Note: Pins A1 through A22 are towards the back and numbered from left to right, B1 through B22 are towards the front and also numbered from left to right. On the SC-3000, A1 through A22 are towards the bottom and B1 through B22 are towards the top.
| Pin # | Description | Pin # | SG-1000 | SG-1000 II | SC-3000 | |
|---|---|---|---|---|---|---|
| A1 | A0 | B1 | 5V | |||
| A2 | A1 | B2 | 5V | |||
| A3 | A2 | B3 | OSRAM | CSRAM | OSRAM | |
| A4 | A3 | B4 | EXM1 | CEROM | ||
| A5 | A4 | B5 | RD | MEMR | ||
| A6 | A5 | B6 | WR | MEMW | ||
| A7 | A6 | B7 | Unused | I/O R | ||
| A8 | A7 | B8 | Unused | I/O W | ||
| A9 | A8 | B9 | RFSH | Unused | ||
| A10 | A9 | B10 | MREQ | |||
| A11 | A10 | B11 | CONT | |||
| A12 | A11 | B12 | Unused | RAS1 | ||
| A13 | A12 | B13 | Unused | CAS1 | ||
| A14 | A13 | B14 | Unused | RAM A7 | ||
| A15 | D0 | B15 | Unused | RAS2 | ||
| A16 | D1 | B16 | Unused | CAS2 | ||
| A17 | D2 | B17 | Unused | MUX | ||
| A18 | D3 | B18 | A14 | |||
| A19 | D4 | B19 | EXM2 | A15 | ||
| A20 | D5 | B20 | M1 | Unused | ||
| A21 | D6 | B21 | Ground | |||
| A22 | D7 | B22 | Ground | |||
Controller Port
Note: Female is connector at the console. Male is connector at the controller. Diagram pictured is of the connector at the controller end. This pinout is mostly identical to the later Sega Master System and Mark III.
| Pin # | Description |
|---|---|
| 1 | Up |
| 2 | Down |
| 3 | Left |
| 4 | Right |
| 5 | Unused (SG-1000 and SC-3000) / 5V (SG-1000 II) |
| 6 | Button 1 |
| 7 | Ground (console side only on SG-1000 and SG-1000 II) / Unused (SC-3000 only) |
| 8 | Ground |
| 9 | Button 2 |
Expansion Port
This expansion port is only found on the SG-1000, SG-1000 II and Othello Multivision FG-2000 consoles.
Note: Pins are numbered from left to right with the edge of the connector facing forward.
| Pin # | Description | Pin # | Description |
|---|---|---|---|
| 1 | Ground | 13 | D6 |
| 2 | Ground | 14 | D5 |
| 3 | Ground | 15 | D4 |
| 4 | Ground | 16 | D3 |
| 5 | A2 | 17 | D2 |
| 6 | Unused | 18 | D1 |
| 7 | IOREQ | 19 | D0 |
| 8 | CONT | 20 | A1 |
| 9 | Write | 21 | A0 |
| 10 | Read | 22 | Unused |
| 11 | KBSEL | 23 | 5V |
| 12 | D7 | 24 | 5V |
SC-3000 Monitor Out
Note: Female connector is pictured. The same pinout is also used on the Master System and Genesis/Mega Drive.
| Pin # | Description |
|---|---|
| 1 | Composite Video Out |
| 2 | Ground |
| 3 | Audio Out |
| 4 | Unused |
| 5 | Unused |
Yeno SC-3000 Monitor Out
Note: Female connector is pictured.
| Pin # | Description |
|---|---|
| 1 | Composite Sync |
| 2 | Ground |
| 3 | Audio Out |
| 4 | Vertical Sync |
| 5 | Horizontal Sync |
| 6 | Green |
| 7 | Blue |
| 8 | Red |