Lenovo NetVista A22 User guide for NetVista 2254, 2256, 2257, 6336, 6337, 6339 - Page 43

Installing memory, DIMM heights of 38.1 mm 1.5 inches

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See the following illustration for the location of parts on the system board. 1 Fan connector 11 2 Microprocessor 12 3 DIMM 1 13 4 DIMM 2 14 5 Power connector 15 6 Power connector 16 7 Hard disk LED connector 17 8 Power LED connector 18 9 Diskette connector 19 10 Secondary IDE connector Primary IDE connector Front USB connector Virtual Clear CMOS/BIOS recovery jumper (JP14) Battery PCI slot PCI slot PCI slot CD-ROM audio connector Front panel 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 29. Chapter 4. Installing internal options - desktop model 31

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See the following illustration for the location of parts on the system board.
±1²
Fan connector
±11²
Primary IDE connector
±2²
Microprocessor
±12²
Front USB connector
±3²
DIMM 1
±13²
Virtual Clear CMOS/BIOS recovery jumper (JP14)
±4²
DIMM 2
±14²
Battery
±5²
Power connector
±15²
PCI slot
±6²
Power connector
±16²
PCI slot
±7²
Hard disk LED connector
±17²
PCI slot
±8²
Power LED connector
±18²
CD-ROM audio connector
±9²
Diskette connector
±19²
Front panel connector
±10²
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 29.
Chapter 4. Installing internal options
—
desktop model
31