[Sep/24/98]

Here are the roms for Irem's Risky Challenge!

some info:
1 D8000019A1 (v30?) CPU
1 osc 32Mhz
1 osc 26.66666Mhz
1 osc 3.57954Mhz
1 Z80
1 Ym2151

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[Jan/11/2000]

Gusson Oyoyo

Eprom Label           Physical               Physical
                      PCB socket label      Location on PCB

27C4001 EPROM 

L4AC3                 IC84                    U9
L4AC2                 IC83                    T9
L4AC1                 IC82                    R9
L4AC0                 IC81                    P9

EPROMS 27C020

L4AL0                 IC79                    K9
L4AH0                 IC77                    F9
L4AV0                 IC30 -----SOUND??       D5

EPROM 27C512

L4ASP                 IC33 -----PROGRAM???    J5

3 PALS on this pcb labeled

M97 A-8C-             IC68/PAL 16L8           C8
M97 A-4H-             IC16/PAL 16L8           F4
M97 A-4S              IC24/PAL 16L8           R4

Sound is YM2151       crystal 3.579545 MHz
                              26.66666
                              32.000

CPu  Z80A-8

PCB is labeled "  M97-A-B  05C04318B1 "
this is a single board PCB

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