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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