Disco No.1 (Rev.F)

EMU Infos

dumper	f205v
date	10/01/2015
emulator	MAME 0.158
dev	David Haywood

PCB Infos

name	discof on Arcade Database
description	Disco No.1 (Rev.F)
year	1982
manufacturer	Data East

Technical references

CPUs

QTY	Type	clock	position	function
1x	SY6502		1c main board	8-bit Microprocessor - main
2x	AY-3-8910		3c,5c main board	Programmable Sound Generator - sound
1x	oscillator	12.000MHz	x1.15k lower board

ROMs

QTY	Type	position	status
1x	M5L2732K	0-6 main board	dumped
2x	M3-7603-5	w7.10j w8.8a lower board	not dumped yet

RAMs

QTY	Type	position
1x	MK4118N-40	2b main board
2x	M58725P	5f,5h lower board
3x	Am93425DC	7b.8b,9b lower board
24x	uPD416C	10a-15a,10b-15b,10c-15c,10d-15d lower board

PLDs

QTY	Type	position	status

Others

1x 18x2 edge connector (main board)
1x 10x2 edge connector (lower board)
1x 50 pins flat cable connector from main board to lower board
1x trimmer (volume) (15c main board)
2x 8x2 switches DIP (7b,9b main board)

Square black epoxy block (label: CPU-7 DECO) on lower board
6x unmarked ICs (DIP20, 300mil - 9a,1c,2c,6j,1k,3k lower board)

Notes

main board: GGM-02 DE-0087C-0 DECO MADE IN JAPAN
lower board: DSP-9 DE-0106C-0 DECO MADE IN JAPAN

Files

• 
  main PCB component side
• 
  main PCB solder side
• 
  lower PCB component side
• 
  lower PCB solder side

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