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Blue Screen Again
Posts: 1
Registered: ‎01-15-2010
Location: Seattle, WA
Message 1 of 1 (2,321 Views)

ThinkCentre A51 8131-1NU support for maximum amount of memory

[ Edited ]

I have a ThinkCentre A51 8131-1NU that came with 1.5 gigs of RAM.  I just replaced it with 4 Gigs of RAM (4x1 gig sticks).    however the BIOS only recognizes 3 gigs of RAM.  I have installed the 64 bit version of windows 2003 and it too also reports only 3 gigs of RAM.  How can i get the BIOS and OS to recognize the entire 4 gigs?


Here is the specs for the ram i installed:

Compatibility: PC

Manufacturer: Kingston Technology Company Packaged

Product Line: Kingston ValueRAM

RAM CAS Latency: CL4 Data Integrity

Check: Non-ECC Form

Factor: DIMM 240-pin

Lead Plating: Gold Memory Specification

Compliance: PC2-4200 Memory

Speed: 533 MHz Module

Configuration: 128 x 64 Module

Height (inch): 1.25

Registered or Buffered: Unbuffered

Storage Capacity: 1 GB

Supply Voltage: 1.8 V

Technology: DDR2


Upgrade Type: Generic



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