3115T R3 Thin Line Industrial Flat Panel PC Appendix C – DMA, IRQ and 1
st
MB Memory
75
141876(E)
1
st
MB Memory Address Map
Table C–3. 1st MB Memory Address Map
Memory Address
Description
00000-9FFFF
System Board extension for ACPI BIOS
A0000-CBFFF
SIS630
F0000-FFFFF
System Board extension for ACPI BIOS
CC000-CFFFF
Unavailable for use by device
I/O Addresses
Table C–4. I/O Addresses
I/O Address Range Description
000-01F
DMA Controller #1
020-021
Interrupt Controller #1, Master
040-05F
8254 Timer
060-06F
8042 (Keyboard Controller)
070-07F
Real Time Clock, NMI Mask
080-09F
DMA Page Register
0A0-0BF
Interrupt Controller #2
0C0-0DF
DMA Controller #2
0F0
Clear Math Coprocessor Busy
0F1
Reset Math Coprocessor
0F8-0FF
Math Coprocessor
408-409
Digital Input/Output
170-177
1F0-1F7
Fixed Disk
270-27F
Printer Port (LPT2)
2E8-2EF
Serial Port 4 (COM4)
2F8-2FF
Serial Port 2 (COM2)
378-37F
Parallel Printer Port 1 (LPT1)
380-38F
SDLC, Bisynchronous 2
3A0-3AF
Bisynchronous 1
3B0-3BB
SIS 630
3C0-3DF
SIS 630
3E8-3EF
Serial Port 3 (COM3)
3F0-3F7
Diskette Controller
3F8-3FF
Serial Port 1 (COM1)
440
Watch-dog timer