Appendix
A-1
EP-3S1A
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.
Содержание EP-3S1A
Страница 6: ...EP 3S1A Page Left Blank ...
Страница 14: ...Introduction EP 3S1A Page 1 8 Figure 5 System Block Diagram System Block Diagram ...
Страница 17: ...Installation EP 3S1A Page 3 1 Section 3 INSTALLATION ...
Страница 18: ...Installation EP 3S1A Page 3 2 Figure 1 EP 3S1A Detailed Layout ...
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