User Guide

2-16
Adaptec 7800 Family Manager
Troubleshooting
Problems and Solutions
I made changes to the host adapter configuration and Windows NT no longer boots!
The boot manager for Windows NT contains recovery logic to allow
you to return to the last known good configuration. If you have
changed your host adapter configuration and Windows NT no
longer boots, follow these steps to recover:
1
Undo any hardware changes you have made to the computer
since it was last operational.
2
Reboot the computer. Watch the display carefully during
bootup. If the following message appears, press the Spacebar
and follow the instructions on the screen to continue booting
with the last known good configuration:
Press spacebar NOW to invoke the Last Known Good menu
3
Once your computer is operational again, check all of the
hardware and software configuration changes you want to
make. Look specifically for conflicts with parts of the existing
system configuration that are not being changed.
Error Codes
Error codes generated by the aic78xx.sys or aic78u2.sys driver can
be viewed by opening the Windows NT Event Viewer error logs.
To view events generated by the driver, follow these steps:
1
Double-click the Event Viewer icon in the Administrative
Tools program group.
Error codes generated by the driver show up as Event ID 11.
Error codes generated by the SCSIPort show up as Event ID 9.
2
To view event details, select System from the Log menu.
Double-click the
aic78xx.sys or aic78u2.sys driver event that
has an Event ID of 11. (There may be none or multiple driver
events.)
The top portion of the Event Detail dialog box displays
information such as the time that the event was generated, the
computer on which the event occurred (in case of remote