Owner's manual

152
IEI
®
Technology, Corp.
C.1 IO Address Map
I/O address
Range
Description
000-01F DMA Controller
020-021 Interrupt Controller
040-05F 8254 timer
060-06F Keyboard Controller
070-07F NMI Mask/Real time Clock
080-09F DMA Controller
0A0-0BF Interrupt Controller
0C0-0DF DMA Controller
0F0-0FF Numeric data processor
1F0-1F8 Fixed Disk
2F8-2FF Serial Port 2 (COM2)
378-37F Parallel Printer Port 1 (LPT1)
3C0-3CF Reserved
3D0-3DF Color/Graphics Monitor Adapter
3F7-3F7 Standard floppy disk controller
3F8-3FF Serial Port 1 (COM1)
Table C-1: IO Address Map
C.2 1st MB Memory Address Map
Memory address Description
00000-9FFFF System memory
A0000-BFFFF VGA buffer
F0000-FFFFF System BIOS
1000000-
Extend BIOS
Table C-2: 1
st
MB Memory Address Map