Installing Memory - IBM ThinkCentre 8141 User Manual

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The following illustration shows the locations of parts on the system board.

Installing memory

Your computer has four connectors for installing dual inline memory modules
(DIMMs) that provide up to a maximum of 4.0 GB of system memory.
System memory is divided into two channels (channel A and B). DIMM connectors
1 and 2 are channel A, and DIMM connectors 3 and 4 are channel B. If DIMMs are
present in both channels, your computer operates in dual channel mode.
Your computer has either double data rate (DDR) or double data rate 2 (DDR2)
memory. The type of memory required depends on the system board that is
installed in your computer.
1. Remove the cover. See "Removing the cover" on page 10.
2. Locate the DIMM connectors. See "Identifying parts on the system board" on
12
User Guide
1 12v power connector
2 Diskette drive connector
3 Speaker connector
4 DIMM connector 4
5 DIMM connector 3
6 DIMM connector 2
7 DIMM connector 1
8 Clear CMOS/Recovery jumper
9 Front panel connector
10 PATA IDE connector
11 SATA 4 connector
12 SATA 3 connector
page 11.
13 SATA 2 connector
14 SATA 1 connector
15 Cover presence switch connector
16 Power supply connector
17 PCI Express (x16) graphics slot
18 PCI Express (x1) slot
19 PCI slot 2
20 PCI slot 1
21 Battery
22 Microprocessor
23 Microprocessor fan connector
24 Microprocessor heat sink

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