Appendix
MS7132A
A-1
Appendix A
A-1 MEMORY MAP
Address Range
Size
Description
[00000-7FFFF]
512K
Conventional memory
[80000-9FBFF]
127K
Extended Conventional memory
[9FC00-9FFFF]
1K
Extended BIOS data area if PS/2 mouse is
installed
[A0000-C7FFF]
160K
Available for Hi DOS memory
[C8000-DFFFF]
96K
Available for Hi DOS memory and adapter
ROMs
[E0000-EEFFF]
60K
Available for UMB
[EF000-EFFFF]
4K
Video service routine for Monochrome & CGA
adaptor
[F0000-F7FFF]
32K
BIOS CMOS setup utility
[F8000-FCFFF]
20K
BIOS runtime service routine (2)
[FD000-FDFFF]
4K
Plug and Play ESCD data area
[FE000-FFFFF]
8K
BIOS runtime service routine (1)
A-2 I/O MAP
[000-01F]
DMA controller.(Master)
[020-021]
INTERRUPT CONTROLLER.(Master)
[022-023]
CHIPSET control 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]
NETWORK ports.
[378-37F]
PARALLEL port 1.
Содержание MS7132A
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