Lenovo ThinkPad T400s Hardware Maintenance Manual page 76

Note: For ThinkPad T400s, if only one DIMM is used on the computer you are servicing, the card must
be installed in SLOT-0 (
For ThinkPad T400s:
For ThinkPad T410s and T410si:
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Hardware Maintenance Manual
a ), but not in SLOT-1 ( b
2
).
b a 3
4
3