IBM Thinkpad 770 9549-1AF memory
Maximum Memory: 256mb
Base Memory: 32mb (Non removable)
Upgrade Sockets: 2 (2 banks of 1)
Although it is physically possible to install more memory, the system will only recognize 256MB maximum.
32Mb Part Number: 20L0253, 76H0294, 42H2819
64Mb Part Number: 20L0241, 20L0242, 76H0295, 05L9378
128Mb Part Number: 01K1150, 01K1153, 45L0250
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