Cheyenne (bootleg)

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EMU Infos
dumper f205v
date 17/03/2005
emulator
dev
PCB Infos
name 59
description Cheyenne (bootleg)
year 1984
manufacturer

Contents

Technical references

CPUs

QTY Type clock position function
1x HD68B09EP lower board 8-bit Microprocessor - main
1x MC6809P upper board 8-bit Microprocessor - main
1x MC6844P upper board Direct Memory Access Controller (DMAC)
1x TDA2003 upper board Audio Amplifier - sound
1x oscillator 26.540 lower board

ROMs

QTY Type position status
1x M2764A 9 upper board dumped
5x M27256 1,3,5,6,8 lower board dumped
1x TMS27256 2 lower board dumped
3x M27256 11,12,13 upper board dumped
1x TMS27256 14 upper board dumped
1x M27512B 4 lower board dumped
1x KM2816A 7 lower board dumped
8x Dm74S287AN 2,4,5,6,7,8,9,12 lower board not dumped yet
1x Dm74S288AN 3 lower board not dumped yet

RAMs

QTY Type position
8x NMC2148HJ lower board
10x TMM2015BP-90 lower board
4x HM6264LP-12 lower board
3x NMC2148HJ upper board
1x km6816al-15 upper board

PLDs

QTY Type position status

Others

1x 22x2 edge connector (upper board)
1x 12 legs connector (upper board)
1x 4 legs connector (upper board)
1x 50 pins flat cable connector from upper board to lower board
1x 24 pins flat cable connector from upper board to lower board
1x trimmer (volume) (upper board)
1x 8x2 switches DIP (SW1 upper board)
1x 4x2 switches DIP (SW2 lower board)
1x 6 legs connector (lower board)

Notes

there is NO rom n°10, on the board there is an empty place mid way from 9 to 11, but it's completely empty, there is NO socket even!!!
made in Italy?
EPROM 9 contains the following string: COPYRIGHT (C) 1984 EXIDY INC M VON STRIVER V TOLOMEIK NICHOLSON

Files

59

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