[Nov/26/97]


RType Leo Rom set

System Board - M92

This should be compatible with IREM's Lethal Thunder pcb.

Bottom Board

Main Processor - NEC V33 running at 10 Mhz (D70136L-10)

D71059C interrupt controller (8259 compatible)

4 * 64k SRAM
2 * 16k SRAM
2 * 256k SRAM

Daughter board (Top)

Custom Sound? processor - IREM D800001A1
2 * 64k SRAM

Sound chip - YM2151 + YM3014

Roms

NEC D23C4001 (masked) - C0->C3 - Character graphics (read as 27c040)
NEC D23C8001 (masked) - 000-030 - Sprite graphics (read as 27c080)

27c2001 - RTL-L0-D,RTL-H0-D
27c010  - RTL-L1-D,RTL-H1-D - V33 program code
27c512  - RTL-SHL0-A,RTL-SHH0-A - Sound code
NEC D23C4001 (masked) - RTL-DA - Sound sample data

Jumper Settings - Main board

J2  - 16k (Note IC43 and IC44 are 6116-45 RAM chips)
J3  - jumper B


Jumper Settings - Daughter board

J1  - S
J2  - S
J3  - OT
J4  - 4.8M
J5  - OT
J6  - OT
J7  - 4M
J8  - OT
J9  - OT
J10 - 512
J11 - 64k
J12 - jumper across 2
J13 - OT
J14 - 8M
J15 - 4.8M
J16 - OT
J17 - OT
J18 - B




[Mar/11/2002]

R*Type Leo Version C by IREM 1992 

Correct rom naming for RTL-L1- and RTL-H1- no revision letter after -

Provided to you on 11-03-2002.

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