User`s manual

AIMB-740-B/741-B User’s Manual 126

B.31 1st MB Memory Map

B.32 PCI Bus Map

Table B.30: 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.31: PCI bus map (for V/VE/E2 version; V upon request)

Function Signals: Device ID INT# pin GNT REQ

Onboard LAN1 AD24 INT E

Onboard LAN2 AD20 INT H GNT E REQ E

Bridge AD22 GNT F REQ F

PCI slot 1 AD31 INT B, C, D, A GNT A REQ A

PCI slot 2 AD30 INT C, D, A, B GNT B REQ B

PCI slot 3 AD29 INT D, A, B, C GNT 1 REQ 1

PCI slot 4 AD28 INT A, B, C, D GNT 2 REQ 2

PCI slot 5 AD27 INT B, C, D, A GNT 3 REQ 3

Table B.32: PCI bus map (for VG/G2 version; G2 upon request)