Service manual

7-32 AlphaServer 4000/4100 Service Manual
7.14 System Motherboard (4000) Removal and
Replacement
The system motherboard contains an NVRAM that holds the system serial
number. Be sure to record this number before replacing the module. The serial
number is on a barcode on the side of the system drawer or on the system bus
card cage. The part number for the later 4000 is 54-23805-01.
Figure 7-13 Removing System Motherboard
PKW0414A-96
Removal
1. Shut down the operating system and power down the system.
2. Expose the system drawer.
3. Expose the system bus card cage by removing the two Phillips head screws
holding it in place and sliding the cover off the drawer.
4. Remove all CPUs, memory modules, and the PCM from the system
motherboard.
5. Expose both PCI bus card cages. Remove three Phillips head screws holding
each cover in place and slide them off the drawer.