Intel AIMB-744 user manual 27 1st MB Memory Map, PCI Bus Map, PCI-X bus map

B.27 1st MB Memory Map

Table B.27: 1st MB memory map
Addr. range (Hex)	Device
E0000h - FFFFFh	BIOS
CC000h - DFFFFh	Unused
C0000h - CBFFFh	VGA BIOS
A0000h - BFFFFh	Video Memory
00000h - 9FFFFh	Base memory

B.28 PCI Bus Map

	Table B.28: PCI bus map (for VG, G2 version)
	Function Signals:	Device ID	INT# pin		GNT	REQ
	Onboard LAN2	AD21	INT C		GNT 2-1	REQ 2-1
	PCI slot 1	AD31	INT B, C, D, A		GNT 0	REQ 0
	PCI slot 2	AD30	INT C, D, A, B		GNT 1	REQ 1
	PCI slot 3	AD29	INT D, A, B, C		GNT 2	REQ 2
	PCI slot 4	AD28	INT A, B, C, D		GNT 1-1	REQ 1-1
B.29 PCI-X bus map
	Table B.29: PCI-X bus map
	Function Signals:	Device ID	INT # pin	GNT		REQ
	PCI-X slot1	PX-AD31	PX-INT A, B,	PX-GNT A		PX-REQ A
			C, D
	PCI-X slot2	PX-AD28	PX-INT A, B,	PX-GNT D		PX-REQ D
			C, D

93 AppendixB