Motherboard Resources - Mitsubishi Apricot LS Series Owner's Handbook Manual

Table of Contents

Advertisement

Motherboard Resources

Memory Map
Address Range
(Decimal)
1024K-393216K
1008K-1024K
1000K-1008K
996K-1000K
992K-996K
928K-992K
896K - 928K
800K-896K
640K-800K
639K-640K
512K-639K
0K-512K
I/O Map
Address (hex)
0000 - 000F
0020 - 0021
002E - 002F
0040 - 0043
0048 - 004B
0060
0061
0064
Address Range
(hex)
100000-18000000 383MB Extended memory
FC000-FFFFF
FA000-FBFFF
F9000-F9FFF
F8000-F8FFF
E8000-F7FFF
E0000 - E7FFF
C8000-DFFFF
A0000-C7FFF
9FC00-9FFFF
80000-9FBFF
00000-7FFFF
Size
Description
16 bytes
PIIX4 - DMA 1
2 bytes
PIIX4 - Interrupt Controller 1
2 bytes
SuperI/O Controller Config. Reg.
4 bytes
PIIX4 - Timer 1
4 bytes
PIIX4 - Timer 2
1 byte
Keyboard Controller Byte - Reset IRQ
1 byte
PIIX4 - NMI, speaker control
1 byte
Keyboard Controller, CMD/STAT Byte
S y s t e m m o t h e r b o a r d
Size
Description
16K
Boot Block
8K
ESCD (Plug and Play
configuration and DMI)
4K
Reserved for BIOS
4K
OEM Logo/Scan User Flash
64K
POST BIOS
32K
POST BIOS (Available as UMB)
96K
Available high DOS memory
(open to ISA and PCI bus)
160K
Video memory and BIOS
1K
Extended BIOS Data
(moveable by memory
management software)
127K
Extended conventional
memory
512K
Conventional memory
LS700 HANDBOOK
3/17

Advertisement

Table of Contents
loading

Table of Contents