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Appendix B Pin Assignments
133
B.27 1st MB Memory Map
Table B-27: 1st MB memory map
Addr. range (Hex)
Device
F0000h - FFFFFh
System ROM
C8000h - EFFFFh
Unused
C0000h - C7FFFh
VGA BIOS
B8000h - BFFFFh
CGA/EGA/VGA text
B0000h - B7FFFh
Unused
A0000h - AFFFFh
EGA/VGA graphics
00000h - 9FFFFh
Base memory
B.28 PCI Bus Map
Table B-28: PCI bus map
Function
Signals:
Device ID
INT# pin
GNT# pin
Onboard LAN1
AD24
INT E
Onboard LAN2
AD21
INT H
GNT A
Onboard SCSI
AD20
INT A
GNT E
Bridge
AD22
GNT F
PCI slot 1
AD31
INT B, C, D, A
GNT A
PCI slot 2
AD30
INT C, D, A, B
GNT B
PCI slot 3
AD29
INT D, A, B, C
GNT C
PCI slot 4
AD28
INT A, B, C, D
GNT D
Note: In the PCA-6180E2/F, SCSI devices use "GNT A" signals via
PCI slot 1. Therefore, PCI slot 1 cannot be used for plug-in
bus master add-on cards such as SCSI cards or LAN cards.
Summary of Contents for PCA-6180 Series
Page 1: ...PCA 6180 Full size socket 370 Intel Pentium III Celeron processor based PCI ISA bus CPU card ...
Page 22: ...8 PCA 6180 User s Manual 1 4 Board Layout Main Features Figure 1 1 Board layout main features ...
Page 73: ...Chapter 5 AGP SVGA Setup 61 2 Click Next when you see the following message ...
Page 113: ...Chapter 8 Onboard Security Setup 103 6 Click OK to restart Windows ...