Laser Grand Prix (alternate): Difference between revisions
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|4x || [[SRAM 1k x 4|2114-2]] || 7,8,23,24 main board | |4x || [[SRAM 1k x 4|2114-2]] || 7,8,23,24 main board | ||
|- | |- | ||
|10x || [[16k x 4|TMS4416-15L]] || 1-10 ROMs board | |10x || [[DRAM 16k x 4|TMS4416-15L]] || 1-10 ROMs board | ||
|} | |} | ||
Revision as of 09:57, 6 August 2022
| dumper | f205v, italiandoh |
| date | 10/02/2013 |
| emulator | MAME 0.155 |
| dev | James Wallace |
| name | lgpalt |
| description | Laser Grand Prix (alternate) |
| year | 1983 |
| manufacturer | Taito |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | D780C-1 | 31 main board | 8-bit Microprocessor - main | |
| 2x | CDP1855CE | 64,65 main board | 8-bit Programmable Multiply/Divide Unit - main | |
| 1x | HA17301 | 115 main board | Quad Operational Amplifier - sound | |
| 1x | LM358 | 123 main board | Dual Operational Amplifier - sound | |
| 1x | oscillator | 8.0 | x1 main board | |
| 1x | oscillator | 20.00MHz | ROMs board |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 2x | TMS2764 | 1,2 main board | dumped |
| 3x | MBM2764 | 3,4,41 main board | dumped |
| 1x | MB8532 | 5 main board | dumped |
| 12x | HN4827128G | 6-17 main board | dumped |
| 1x | MBM2764 | 18 ROMs board | dumped |
| 10x | HN4827128G | 19-28 ROMs board | dumped |
| 5x | N82S129 | 31-34 main board | dumped |
| 1x | N82S123 | 37 ROMs board | dumped |
| 5x | N82S129 | 35,36,38-40 ROMs board | dumped |
RAMs
| QTY | Type | position |
|---|---|---|
| 2x | HM6116P-3 | 55,56 main board |
| 4x | 2114-2 | 7,8,23,24 main board |
| 10x | TMS4416-15L | 1-10 ROMs board |
PLDs
| QTY | Type | position | status |
|---|
Others
1x 22x2 edge connector (G main board)
1x 12 legs connectr (H main board)
2x 50 pins flat cable connector from main board to sound board (P,Q main board)
2x 50 pins flat cable connector from main board to ROMs board (R,S main board)
3x 8x2 switches DIP (SWA,SWB,SWC main board)
2x 50 pins flat cable connector from ROMs board to main board (R,S ROMs board)
1x trimmer (volume)
Notes
Sound PCB is missing
Files
-
main PCB component side
-
ROMs PCB component side
-
Read me
1116
