Mitsubishi Electric Apricot LS700 Owner's Handbook Manual page 64

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S y s t e m m o t h e r b o a r d
Address Range
(Decimal)
639K-640K
512K-639K
0K-512K
I/O Map
Address (hex)
0000 - 000F
0020 - 0021
002E - 002F
0040 - 0043
0048 - 004B
0060
0061
0064
0070, bit 7
0070, bits 6:0
0071
0078
0079
0080 - 008F
00A0 - 00A1
00B2 - 00B3
00C0 - 00DE
00F0
0170 - 0177
01F0 - 01F7
0200 - 0207
3/18
LS700 HANDBOOK
Address Range
(hex)
9FC00-9FFFF
80000-9FBFF
00000-7FFFF
Size
Description
16 bytes
PIIX3 - DMA 1
2 bytes
PIIX3 - Interrupt Controller 1
2 bytes
I/O Controller Config. Reg.
4 bytes
PIIX3 - Timer 1
4 bytes
PIIX3 - Timer 2
1 byte
Keyboard Controller Byte - Reset IRQ
1 byte
PIIX3 - NMI, speaker control
1 byte
Keyboard Controller, CMD/STAT Byte
1 bit
PIIX3 - Enable NMI
7 bits
PIIX3 - Real Time Clock, Address
1 byte
PIIX3 - Real Time Clock, Data
1 byte
Reserved - Brd. Config.
1 byte
Reserved - Brd. Config.
16 bytes
PIIX3 - DMA Page Registers
2 bytes
PIIX3 - Interrupt Controller 2
2 bytes
APM Control
31 bytes
PIIX3 - DMA 2
1 byte
Reset Numeric Error
8 bytes
Secondary IDE Channel
8 bytes
Primary IDE Channel
8 bytes
Game Port
Size
Description
1K
Extended BIOS Data
(moveable by memory
management software)
127K
Extended conventional
memory
512K
Conventional memory

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