Service manual

4-4 AlphaServer GS80/160/320 Service Manual
4.2 FRU List
Table 4– 2 Field-Replaceable Unit Part Numbers
CPU Modules
B4125-xx 4 MB cache (EV67 based)
Memory (Main memory and Directory memory)
B4140-xx Directory module DIMM carrier
B4150-xx Memory module DIMM carrier
54-24941-xx 20-00DSA-xx 256 MB DIMM (memory)
54-24941-xx 20-00ESA-xx 512 MB DIMM (memory)
54-25070-xx 1 GB DIMM (memory)
54-25023-Bx Directory DIMM type 128 Mbit type 2
54-25023-Cx Directory DIMM type 256 Mbit type 3
54-25023-Dx Directory DIMM type 256 Mbit type 4
QBB Modules
B4170-xx Local I/O riser
B4180-xx Global port rear
B4181-xx Global port front
54-25017-01 Main power converter (H7508-AA)
54-25123-01 Auxiliary power converter (H7509-AA)
54-25074-01 Power system manager
54-25117-01 Clock splitter
System Management Console
3X-DS8BA-AA Deskpro PC with software
3X-DS8AA-AA DECserver 90M terminal server box with tray
12-36054-01
Adapter connected to the local terminal port on
the standard I/O module when a terminal
concentrator is used.