Perfect Billiards (bootleg): Difference between revisions
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PCB is labelled: "01/08/88 aH" on solder side<br> | PCB is labelled: "01/08/88 aH" on solder side<br> | ||
ROMs names are based on labels and marks on PCB, NOT on actual EPROM size.<br> | ROMs names are based on labels and marks on PCB, NOT on actual EPROM size.<br> | ||
There are only 2x SN76496N as sound, while the original had 4x SN76489AN. | There are only 2x SN76496N as sound on this bootleg, while the original Nihon System board had 4x SN76489AN. | ||
==Files== | ==Files== | ||
Revision as of 13:26, 28 March 2020
| dumper | f205v |
| date | 28/03/2020 |
| emulator | |
| dev |
| name | 1690 |
| description | Perfect Billiards (bootleg) |
| year | 1987.12.16 |
| manufacturer |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | Z8400AB1-Z80ACPU | 9m | 8-bit Microprocessor - main | |
| 2x | SN76496N | 1j,1l | Digital Complex Sound Generator - sound | |
| 1x | C1181H | - | 1r | Audio Amplifier - sound |
| 1x | oscillator | 18.432 | 10a |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 1x | MBM2764 | 2 | dumped |
| 2x | HN482764 | 1,3 | dumped |
| 3x | TMS27128 | 4,5,6 | dumped |
| 2x | M27256 | 7,9 | dumped |
| 1x | M27512 | 8 | dumped |
| 6x | DM74S287AN | 3a,3b,3c,3d,4a,4d | dumped |
RAMs
| QTY | Type | position |
|---|---|---|
| 2x | YH6116ALP-10 | 3e,3l |
| 2x | TMM2015BP-10 | 6b.6e |
| 1x | HM6264LP-12 | 10r |
PLDs
| QTY | Type | position | status |
|---|---|---|---|
| 0x |
Others
1x 18x2 edge connector
1x trimmer (volume)(2r)
2x 8 DIP switches banks(1.2g, 2.2f)
Notes
PCB is marked: "87-16-12" on component side
PCB is marked: "87-16-12" on solder side
PCB is labelled: "01/08/88 aH" on solder side
ROMs names are based on labels and marks on PCB, NOT on actual EPROM size.
There are only 2x SN76496N as sound on this bootleg, while the original Nihon System board had 4x SN76489AN.
Files
-
PCB component side
-
PCB solder side
-
ROMs
1690
