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Appendix C
C.2 1st MB memory map
C.3 DMA channel assignments
Table C.2: 1st MB memory map
Addr. range (Hex)
Device
F0000h - FFFFFh
System ROM
*CC000h - EFFFFh
Unused (reserved for Ethernet ROM)
C0000h - CBFFFh
Expansion ROM (for VGA BIOS)
B8000h - BFFFFh
CGA/EGA/VGA text
B0000h - B7FFFh
Unused
A0000h - AFFFFh
EGA/VGA graphics
00000h - 9FFFFh
Base memory
* If Ethernet boot ROM is disabled (Ethernet ROM occupies about 16 KB)
* E0000 - EFFFF is reserved for BIOS POST
Table C.3: DMA channel assignments
Channel
Function
0
Available
1
Reserved (audio)
2
Floppy disk (8-bit transfer)
3
Available (parallel port)
4
Cascade for DMA controller 1
5
Available
6
Available
7
Available
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 (LPT2) or 3 (LPT1)
Summary of Contents for PCM-9581
Page 1: ...PCM 9581 Intel Pentium M SBC with Audio VGA LCD Users Manual...
Page 6: ...PCM 9581 User s Manual vi...
Page 17: ...7 Chapter1 Figure 1 2 Board layout dimensions solder side...
Page 18: ...PCM 9581 User s Manual 8...
Page 25: ...15 Chapter2 Figure 2 2 Jumper Connector solder side...
Page 38: ...PCM 9581 User s Manual 28...
Page 50: ...PCM 9581User s Manual 40...
Page 54: ...PCM 9581 User s Manual 44 Figure 5 1 Selecting Display Settings...
Page 56: ...PCM 9581 User s Manual 46 Press Yes to reboot...
Page 58: ...PCM 9581 User s Manual 48...
Page 63: ...53 Chapter6...
Page 64: ...PCM 9581 User s Manual 54...
Page 69: ...59 Chapter7 4 Click Install to begin the installation 5 Click Finish to exit the wizard...
Page 70: ...PCM 9581 User s Manual 60 6 Then the Installer will show the result after driver installed...
Page 78: ...PCM 9581 User s Manual 68...
Page 109: ...99 AppendixD Appendix D Optional Extras for the PCM 9581...
Page 113: ...103 AppendixE Appendix E Mechanical Drawings...
Page 115: ...105 AppendixE Figure E 2 PCM 9581 Mechanical Drawing solder side...
Page 116: ...PCM 9581 User s Manual 106...