Compaq AlphaServer ES40, Service Manual

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Power-Up Diagnostics and Display 3-33
1. Turn off the system. Unplug the power cord from each power supply and
wait for the 5V AUX indicators to extinguish.
2. Remove enclosure covers (tower and pedestal) or the front bezel (rackmount)
to access the system chassis. See Chapter 8 for illustrations.
3. Remove the fan cover and the system card cage cover to gain access to the
system motherboard. See Chapter 8 for illustrations.
4. Remove MMB 1 (closest to the PCI backplane) so that you can access the
function jumpers.
5. Locate the J22 function jumper on the system motherboard. See
Figure 3–2.
6. Enable the fail-safe loader by moving the J22 jumper from pins 1 and 2 to
pins 2 and 3.
NOTE: The J20 and J23 function jumpers must be in their default positions
over pins 1 and 2.
7. Replace the chassis covers and enclosure covers. Plug in the power supplies.
8. Insert the Firmware Update Utility diskette into the floppy drive, and
insert the update CD into the CD-ROM drive.
9. Power up the system and check the control panel display for progress
messages.
10. At the P00>>> prompt, boot the update CD. Enter update at the UPD>
prompt and press Return. Enter yes at the “Confirm update” prompt.
11. After the update is complete, turn off the system and unplug the power
supplies.
12. Place J22 over pins 1 and 2.
13. Replace MMB 1.
14. Replace the chassis covers and enclosure covers, plug in the power supplies,
and power up the system.
NOTE: For more information on the LFU, see the Firmware Updates Web site:
http://ftp.digital.com/pub/digital/Alpha/firmware/