Lenovo NetVista A22 User guide for NetVista 2254, 2256, 2257, 6336, 6337, 6339 - Page 57
Installing memory, To install a DIMM
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See the following illustration for the location of parts on the system board. 1 Fan connector 11 Primary IDE connector 2 Microprocessor 12 Front USB connector 3 DIMM 1 13 Virtual Clear CMOS/BIOS recovery jumper (JP14) 4 DIMM 2 14 Battery 5 Power connector 15 PCI slot 6 Power connector 16 PCI slot 7 Hard disk LED connector 17 PCI slot 8 Power LED connector 18 CD-ROM audio connector 9 Diskette connector 19 Front panel connector 10 Secondary IDE connector Installing memory Your computer has two connectors for installing dual in-line memory modules (DIMMs) that provide up to a maximum of 512 MB of system memory. Installing DIMMs When installing DIMMs, the following rules apply: v Fill each system memory connector sequentially, starting at DIMM 1 v Use 3.3 V, synchronous, 168-pin, unbuffered, 133 MHz nonparity synchronous dynamic random access memory (SDRAM) v Use 32 MB, 64 MB, 128 MB, or 256 MB DIMMs in any combination v DIMM heights of 38.1 mm (1.5 inches) To install a DIMM: 1. Remove the cover. See "Removing the cover" on page 41. Chapter 5. Installing internal options - microtower model 45