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B-4. I/O & MEM ORY MAP
Memory Map :
MEMORY MAP
ASSIGNMENT
0000000-
009FFFF
System memory used by DOS
and application
00A0000-
00BFFFF
Display buffer memory for VGA/
EGA / CGA / MONOCHROME
adapter
00C0000-
00DFFFF
Reserved for I/O device BIOS
ROM or RAM buffer.
00E0000-
00EFFFF
Reserved for PCI device ROM
00F0000-
00FFFFF
System BIOS ROM
0100000-
FFFFFFF
System extension memory
I/O Map :
I/O MAP
ASSIGNMENT
000-01F
DMA controller (Master)
020-021
Interrupt controller (Master)
022-023
Chipset controller registers I/O
ports.
040-05F
Timer control registers.
060-06F
Keyboard interface controller
(8042)
070-07F
RTC ports & CMOS I/O ports
080-09F
DMA register
0A0-0BF
Interrupt controller (Slave)
0C0-0DF
DMA controller (Slave)
0F0-0FF
Math coprocessor
1F0-1F8
Hard Disk controller
278-27F
Parallel port-2
2B0-2DF
Graphics adapter controller
2F8-2FF
Serial port-2
360-36F
Net work ports
378-37F
Parallel port-1
3B0-3BF
Monochrome & Printer adapter
3C0-3CF
EGA adapter
3D0-3DF
CGA adapter
3F0-3F7
Floppy disk controller
3F8-3FF
Serial port-1
Содержание AR-B1682
Страница 1: ...AR B1682 SOCKET 370 PENTIUM III GRADE CPU CARD WITH VGA LCD LAN SCSI Operation Manual Version 1 3 ...
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Страница 15: ... Page 9 DC00H OFF ON OFF E000H OFF OFF ON DISABLE OFF OFF OFF ...
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Страница 50: ... Page 44 APPENDIX A EXPANSION BUS This chapter includes n ISA BUS Pin Assignment n PICMG BUS Pin Assignment ...
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