B.27 1st mb memory map, Table b.27: 1st mb memory map, B.28 pci bus map – Intel Socket 478 AIMB-744 User Manual

Page 107: Table b.28: pci bus map (for vg, g2 version), B.29 pci-x bus map, Table b.29: pci-x bus map

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Appendix B

B.27 1st MB Memory Map

B.28 PCI Bus Map

B.29 PCI-X bus 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

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

Table B.29: PCI-X bus map
Function Signals: Device ID INT # pin

GNT

REQ

PCI-X slot1

PX-AD31

PX-INT A, B,
C, D

PX-GNT A

PX-REQ A

PCI-X slot2

PX-AD28

PX-INT A, B,
C, D

PX-GNT D

PX-REQ D

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