Identifying Parts On The System Board (All Machine Types); Replacing Memory (All Machine Types) - IBM THINKCENTER 8128 Hardware Maintenance Manual

Identifying parts on the system board (all machine types)

Replacing memory (all machine types)

The computer has four connectors for installing dual inline memory modules
(DIMMs) that provide up to a maximum of 4.0 GB of system memory.
When installing memory modules, the following rules apply:
v System memory is divided into two channels (channel A and B). memory
v If memory connectors 1 and 3 (or 2 and 4) are filled with the same technology
v Use 2.5 V, 184-pin, 333 MHz double data rate synchronous dynamic random
v Use 128 MB, 256 MB, 512 MB or 1.0 GB (when available) memory modules in
v Memory modules are 25.4 mm (1.0 inches) in height.
38
Hardware Maintenance Manual
1 Microprocessor
2 Fan sink connectors
3 Memory connector 1
4 Memory connector 2
5 Memory connector 3
6 Memory connector 4
7 Power connector
8 Diskette drive connector
9 PATA primary IDE connector
10 PATA secondary IDE connector
connectors 1 and 2 are channel A, and memory connectors 3 and 4 are channel
B.
and size of memory, the system operates in dual channel mode.
access memory (DDR SDRAM).
any combination.
11 SATA 1 IDE connector
12 SATA 2 IDE connector
13 Security daughter card connector
14 Clear CMOS/Recovery jumper
15 Battery
16 SCSI LED connector
17 PCI slots
18 Front panel audio connector
19 CD-ROM audio connector
20 AGP slot