
Appendix
A
Technical Data
Address Range
(Decimal) Hex
Size
Description
960K-131072K 100000-8000000 127.25M Extended Memory
944K-959K FE000-FFFFF 8K Boot Block (erasable only if jumpered)
936K-943K FD000-FDFFF 4K
ESCD (Plug and Play configuration
area)
928K-935K FC000-FCFFF 4K Reserved Data Area
896K-927K E0000-FBFFF 112K AMI System BIOS
800-895K C8000-DFFFF 96K
Available HI DOS memory (open to
ISA and PCI bus)
640K-799K A0000-C7FFF 160K Off-board video memory and BIOS
639K 9FC00-9FFFF 1K
Extended BIOS Data (moveable by
GEMM, 386MAX)
512K-638K 80000-9FBFF 127K Extended Conventional
0K-511K 00000-7FFFF 512K Conventional
IRQ System Resource
NMI I/O Channel Check
0 Reserved, Interval Timer
1 Reserved, Keyboard Buffer Full
2 Reserved, Cascade Interrupt from Slave PIC
3 Serial Port 2
4 Serial Port 1
5 Parallel Port 1 (PNP0 option)
6 Floppy
7 Parallel Port 1
8 Real Time Clock
9 User Available
10 User Available
11 User Available
12 Onboard Mouse Port, if present, or user available
13 Reserved, Math Coprocessor
14 Primary IDE, if present, or user available
15 Secondary IDE, if present, or user available
Memory Map
Board Interrupts
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