EMU Infos
| dumper |
f205v
|
| date |
26/06/2006
|
| emulator |
MAME 0.36b1
|
| dev |
Andrew Prime
|
Technical references
CPUs
| QTY
|
Type
|
clock
|
position
|
function
|
| 2x |
MC68000P8 |
|
ic74.7g ic28.1c main PCB |
16/32-bit Microprocessor - main
|
| 1x |
NEC D780C-1 |
|
ic59.10e sound PCB |
8-bit Microprocessor - sound
|
| 1x |
YM2203 |
|
10g sound PCB |
FM Operator Type-N (OPM) - sound
|
| 1x |
Y3014 |
|
sound PCB |
D/A Converter (DAC) - sound
|
| 1x |
oscillator |
25.174800MHz |
main PCB |
|
| 1x |
oscillator |
16.0000MHz |
sound PCB |
|
ROMs
| QTY
|
Type
|
position
|
status
|
| 1x |
2764 |
1 lower PCB |
dumped
|
| 1x |
27128 |
28 sound PCB |
dumped
|
| 7x |
27256 |
5-11 main PCB |
dumped
|
| 3x |
27256 |
2-4 lower PCB |
dumped
|
| 2x |
27256 |
26,27 sound PCB |
dumped
|
| 14x |
27256 |
12-25 ROMs PCB |
dumped
|
RAMs
PLDs
Others
main PCB (label "500A"):
1x red led
1x flat cable to 700C
3x flat cable to 500
1x flat cable connector unpopulated (maybe connector to cab)
1x 6 legs connector
2x 8 switches dip
sound PCB (label "700C"):
1x flat cable to 500A
1x 4 legs connector
roms PCB (label "500B"):
2x flat cable to 500
lower PCB (label "500 "):
1x red led
3x flat cable to 500A
2x flat cable to 500B
1x 6 legs connector
1x 7 legs connector
Notes
lower PCB is sporting 4 piggybacks, labeled "5004a" "500-1" "500-2" "500-3"
They are full of logic 74xx.
500-3 has got 1xPAL16R4 and 1xPAL16L8
This is not an original Sega PCB. It's a bootleg (probably manufactured in Italy) using the same ROMs.
Files
433
