Advantech PCA-6359 user manual B.24 1st MB Memory Map, B.25 PCI Bus Map

Models: PCA-6359

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B.24 1st MB Memory Map

B.24 1st MB Memory Map

Table B-24: 1st MB memory map

 

Addr. range (Hex)

Device

 

 

F0000h - FFFFFh

System ROM

 

 

 

 

 

 

C8000h - EFFFFh

Unused

 

 

 

 

 

 

C0000h - CBFFFh

VGA BIOS

 

 

 

 

 

 

B8000h - BFFFFh

CGA/EGA/VGA text

 

 

 

 

 

 

 

B0000h - B7FFFh

 

Unused

 

 

 

 

 

 

A0000h - AFFFFh

EGA/VGA graphics

 

 

 

 

 

 

00000h - 9FFFFh

Base memory

 

 

 

 

 

 

B.25 PCI Bus Map

 

 

 

 

 

 

 

 

 

 

 

 

Table B-25: PCI bus map

 

 

 

Function

 

Signals:

 

 

 

 

 

Device ID

INT# pin

GNT# pin

 

 

 

 

 

 

Onboard LAN

AD21

INT D

GNT A

 

 

 

 

 

 

Onboard SCSI

AD20

INT A

GNT B

 

 

 

 

 

 

 

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-6359VE/F, SCSI devices use "GNT B"

 

 

signals via PCI slot 2 and LAN uses "GNT A" via PCI

slot 1. Therefore, both PCI slots cannot be used for plug-in bus master add-on cards such as a SCSI card or LAN card.

Appendix B Pin Assignments

103

Page 112
Image 112
Advantech user manual B.24 1st MB Memory Map, B.25 PCI Bus Map, In the PCA-6359VE/F, SCSI devices use GNT B