Compaq Deskpro EN Series Maintenance & Service Manual page 9

8.1.3 System DMA .............................................................................................................8-2
8.1.4 System I/O .................................................................................................................8-3
8.1.5 System Memory Map.................................................................................................8-4
8.2 Drives .................................................................................................................................8-4
8.2.1 Diskette Drive ............................................................................................................8-4
8.2.2 Ultra ATA Hard Drives .............................................................................................8-5
8.2.3 Wide UltraSCSI Hard Drives.....................................................................................8-6
8.2.4 24X Max CD-ROM Drive .........................................................................................8-7
8.2.5 32X Max CD-ROM Drive .........................................................................................8-8
8.3 Keyboard ............................................................................................................................8-9
8.4 Mouse .................................................................................................................................8-9
8.5 Supported Graphics Resolutions ......................................................................................8-10
8.5.1 ATI RAGE PRO TURBO Graphics ........................................................................8-10
8.5.2 Diamond Viper NVIDIA 128 3D AGP Graphics ....................................................8-10
8.5.3 Matrox Millennium II Graphics...............................................................................8-10
chapter 9
Connectors, Jumpers, and Switches
9.1 System Board......................................................................................................................9-1
9.2 Riser Board .........................................................................................................................9-2
9.2.1 Desktop Riser Board..................................................................................................9-2
9.2.2 Minitower Riser Board .............................................................................................9-4
9.3 Switch Settings ...................................................................................................................9-6
9.4 System Board Jumpers .......................................................................................................9-7
9.4.1 Clearing Configuration ..............................................................................................9-7
9.5 Hard Drives ........................................................................................................................9-8
appendix A
Connector Pin Assignments
appendix B
Power Cord Set Requirements
General Requirements ............................................................................................................. B-1
Country-Specific Requirements .............................................................................................. B-2
appendix C
Hard Drives
Device 0/Device 1 Relationship .............................................................................................. C-1
SMART ................................................................................................................................... C-1
Automatic Soft-Drive Types ................................................................................................... C-1
appendix D
Diagnostic Error Codes
Special Error Codes ...........................................................................................................D-9
appendix E
POST Error Messages
viii Contents
..............................................................................................................A-1
......................................................................................................................... E-1