E.2 1St Mb Memory Map - Advantech PCM-9588 User Manual

E.2 1st MB Memory Map
Table E.2: Table C.2: 1st MB memory map
Addr. Range (Hex)
F0000h – FFFFFh
E0000h – EFFFFh
C0000h – DFFFFh
A0000h – BFFFFh
00000h – 9FFFFh
* Refer to Intel 852GM/852GMV Chipset GMCG Datasheet
E.3 DMA Channel Assignments
Table E.3: DMA channel assignments
Channel
0
1
2
3
4
5
6
7
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 (LPT2) or 3 (LPT1)
E.4 Interrupt Assignments
Table E.4: Interrupt assignments
Interrupt#
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
Device
Upper BIOS Area (64kB)
Lower BIOS Area (64kB) 16kB x 41
Expansion Card BIOS and Buffer Area (128kB) 16kB x8
Standard PCI/ISA Video Memory (SMM Memory) 128kB
DOS Area
Function
Available
Reserved (audio)
Floppy disk (8-bit transfer)
Available (parallel port)
Cascade for DMA controller 1
Available
Available
Available
Interrupt source
Interval timer
Keyboard
Interrupt from controller 2 (cascade)
COM1
COM2
COM3
Reserved
AUDIO/LPT
RTC
COM5
COM4
COM6
Reserved
Math Coprocessor
Fixed Disk
Reserved
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