Adaptec 2400A Installation Guide - Page 92

C, Troubleshooting, When the controller BIOS displays the hard drives during startup, a device fails

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C Troubleshooting This appendix provides answers to many frequently asked questions. If a situation occurs that is not covered in this appendix, or if these recommendations do not correct the problem, contact Adaptec Technical Support. When the controller BIOS displays the hard drives during startup, a device fails to appear. The power cable or the interface cable may be loose or disconnected. Windows NT displays a blue screen error message that references the system video controller. The video controller fails to properly implement extended BIOS data area (EBDA) usage rules. Use SMOR to enable the EBDA Relocation option. In addition to the Adaptec controller, the system contains another manufacturer's controller. During startup, the system hangs or one controller cannot communicate with its attached drives. Perhaps the other controller does not correctly implement EBDA usage rules. Use SMOR to try a different setting for the EBDA relocation parameter or rearrange the controller slot assignments. Alternatively, if your system BIOS supports configuring the boot order, you can also try changing those settings. C-1

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C-1
C
Troubleshooting
This appendix provides answers to many frequently asked
questions. If a situation occurs that is not covered in this appendix,
or if these recommendations do not correct the problem, contact
Adaptec Technical Support.
When the controller BIOS displays the hard drives during startup, a device fails to
appear.
The power cable or the interface cable may be loose or disconnected.
Windows NT displays a blue screen error message that references the system video
controller.
The video controller fails to properly implement extended BIOS data
area (EBDA) usage rules. Use SMOR to enable the EBDA Relocation
option.
In addition to the Adaptec controller, the system contains another manufacturer’s
controller. During startup, the system hangs or one controller cannot communicate
with its attached drives.
Perhaps the other controller does not correctly implement EBDA
usage rules. Use SMOR to try a different setting for the EBDA
relocation parameter or rearrange the controller slot assignments.
Alternatively, if your system BIOS supports configuring the boot
order, you can also try changing those settings.