Installing Memory - Lenovo 3000 J Series User Manual

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

Installing memory

Your computer has two or four connectors for installing DIMMs. Each DIMM can
be a maximum of 1GB providing up to a maximum of 2.0 GB or 4.0 GB of system
memory.
When installing memory modules, the following rules apply:
v Use 2.5 V, 184-pin double data rate synchronous dynamic random access
v Use 1.8 V, 240-pin DDR2 SDRAM. (some models)
v Use 128 MB, 256 MB, 512 MB or 1.0 GB memory modules in any combination.
1 Microprocessor and heat sink
2 Microprocessor fan connector
3 Memory connector 1
4 Memory connector 2
5 Power connector
6 Diskette drive connector
7 Primary IDE connector
8 Secondary IDE connector
9 System fan connector
10 SATA connectors (2)
memory (DDR SDRAM). (some models)
11 Front panel connector
12 Power LED connector
13 Clear CMOS/Recovery jumper
14 Front USB connectors (2)
15 Battery
16 PCI connectors
17 Front audio connector
18 AGP connector
19 12v power connector
Chapter 1. Installing options
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