PC2700

PC2700 This is DDR (Double Data Rate) memory in 200-pin SO-DIMM form-factor. PC2700 memory is also called DDR333

Available memory types from IBM or Lenovo

Partnumber	FRU	Description
31P9828	31P9829	128MB PC2700 DDR-SDRAM CL2.5 SO-DIMM
31P9830	31P9831	256MB PC2700 DDR-SDRAM CL2.5 SO-DIMM
31P9832	31P9833	512MB PC2700 DDR-SDRAM CL2.5 SO-DIMM
31P9834	31P9835	1GB PC2700 DDR-SDRAM CL2.5 SO-DIMM

ThinkPads that support this technology

ThinkPad Models	Soldered on systemboard	DIMM Slot 1	DIMM Slot 2	Official Max-Memory	Unofficial Max-Memory1
G41		Occupied	Empty	2GB2	2GB2 3
R50e		Occupied	Empty	2GB2	2GB2 3
R50, R50p		Occupied	Empty	2GB2	2GB2 3
R51		Occupied	Empty	2GB2	2GB2 3
T41, T41p		Occupied	Empty	2GB2	2GB2 3
T42, T42p		Occupied	Empty	2GB2	2GB2 3
X31, X32		Occupied	Empty	2GB2	2GB2 3
X40	256 or 512MB	Empty	NA	1.25 or 1.5GB4	1.25 or 1.5GB3 4

FOOTNOTES [Δ]

1. See Unofficial_maximum_memory_specs
2. Based on 2x 1GB DIMMs, might require removal of original base memory
3. DDR DO-DIMM modules exist at a maximum of 1 GB. You cannot physically install more RAM than the official specs state. Chipset is limited to 2 GB.
4. Based on base 256 or 512MB plus 1GB DIMM in Slot 1