Table A–3
5266 interrupt map
5266 interrupt map
IRQ Default
Device
Alternate
IRQ0
System Timer
not available
IRQ1 Keyboard
not
available
IRQ2
Cascade to IRQ9
not available
IRQ3 COM2
not
available
IRQ4 COM1
not
available
IRQ5 SMM
not
available
IRQ6 unused
ISA
IRQ7 available
ISA
IRQ8
RTC Alarm
not available
IRQ9 available
not
available
IRQ10 available
IRQ11 Ethernet
not
available
IRQ12
Aux Port (mouse)
ISA
IRQ13
Reserved for FPU
not available
IRQ14 IDE
Primary
ISA
IRQ15
not available
not available
Table A–4
5266 memory map
5266 memory map
Start Addr (Hex)
End Addr (Hex)
Function
00000000 0009dfff System
Ram
0009e000 0009ffff Reserved
000a0000 000bffff Video RAM area
000c8000
000cdfff
Video ROM (virtual / shadow)
000ce000 000dffff SMM
memory
000E0000
000fffff
BIOS ROM area (shadow)
00100000 (1MB)
Top of SDRAM –
following
System RAM
Top of SDRAM –
following, size
varies
Top of SDRAM –
following
ACPI Tables & Storage structures
Top of SDRAM –
Video RAM size
(set in setup)
Top of SDRAM
Reserved for onboard VGA use
Top of SDRAM
03ffffff
Unused
04000000 (1GB)
09ffffff
Assignable to PCI, Prefetchable memory
0a000000 (2.5GB)
ffefffff
Assignable to PCI, Non-Prefetchable memory
fff00000
ffffffff
Flash ROM (BOIS & Resources)
108
Содержание 5266
Страница 18: ...Figure 2 1 5266 component diagram top 18 ...
Страница 19: ...Figure 2 2 5266 component diagram bottom 19 ...
Страница 20: ...Figure 2 3 5266 dimensions inches 20 ...
Страница 21: ...Figure 2 4 5266 dimensions mm 21 ...