Using The Crisis Recovery Diskette; Upgrading The Computer Bios - Digital Equipment CELEBRIS Pentium PC Service Maintenance Manual

Digital CELEBRIS Pentium PC

Using the Crisis Recovery Diskette

The crisis recovery diskette must be used only if the computer's BIOS fails or if a BIOS upgrade was
unsuccessful.
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POST detects an error after a normal boot cycle or a BIOS upgrade.
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The BIOS in the bootblock memory executes.
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The computer beeps several times.
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The diskette drive begins searching for the crisis recovery diskette.
If the computer's BIOS fails:
1) Set the recovery jumper (J25) to enabled.
2) Insert the crisis recovery diskette into drive A and power on the computer.
3) After the BIOS is restarted, turn off the power and remove the crisis recovery diskette from drive A.
4) Turn the power back on for normal operation.

Upgrading the computer BIOS

These utilities and video drivers enable to upgrade or restore the computer's BIOS and take full advantage
of its enhanced video features.
NOTE If this is the first time using these utility programs and/or video drivers it is
recommended to follow the procedures in the order given.
1) Turn on or reboot the computer. If POST detects an error, refer to "Troubleshooting" for possible
causes and suggested solutions.
2) If necessary, run PHLASH.EXE to upgrade or restore the computer's BIOS.
3) Run EPP3SMC.EXE to configure the computer for EPP operation.
4) Run SMTR.EXE to select the monitor type that matches the monitor's available resolution and
refresh rates.
5) If necessary, run SMODE.EXE to emulate or display a non-standard VGA mode.
6) Install any applicable DOS or CAD application drivers.
7) Install any Windows 3.x video drivers.
Perform the following steps to update the computer's BIOS in flash memory:
1) Turn on the computer and allow the POST to complete. If the POST detects an error refer to
"Troubleshooting" and take the appropriate steps to correct the problem. After the problem has been
resolved, restart the computer.
2) Create a crisis recovery diskette if not already done so.
Refer to "Creating a Crisis Recovery Diskette".
3) Insert the system utilities diskette.
4) At the MS-DOS prompt, enter the following commands (press [Enter] after each command):
a:
cd\UPGRADE
PHLASH /e
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