Lenovo ThinkPad R50e Series Hardware Maintenance Manual

Feature Description
Standard memory R50 series:
v 256 MB DDR SDRAM SO-DIMM
(PC2700) card × 1
v 512 MB DDR SDRAM SO-DIMM
(PC2700) card × 1
R50p
series:
v 512 MB DDR SDRAM SO-DIMM
(PC2700) card × 1
v 1 GB DDR SDRAM SO-DIMM (PC2700)
card × 1
R51
series:
v 128 MB DDR SDRAM SO-DIMM
(PC2700) card × 1
v 256 MB DDR SDRAM SO-DIMM
(PC2700) card × 1
v 512 MB DDR SDRAM SO-DIMM
(PC2700) card × 1
Optional memory v 128 MB DDR SDRAM SO-DIMM
(PC2700) card
v 256 MB DDR SDRAM SO-DIMM
(PC2700) card
v 512 MB DDR SDRAM SO-DIMM
(PC2700)
v 1 GB DDR SDRAM SO-DIMM (PC2700)
(maximum
of 2048 MB)
Bus architecture v 400 MHz PSB (Processor System Bus)
v 333 MHz DDR (Double Data Rate)
SDRAM (Synchronous DRAM) (PC2700)
v HUB link
v PCI bus
v LPC bus
Graphic memory
chip
R50 series:
v 32 MB DDR SDRAM (ATI M7-32)
v 32 MB DDR SDRAM (ATI M9-32)
R50p
series:
v 128 MB DDR SDRAM (ATI M10 GL-128)
R51
series:
v Intel 855GME
(total video memory: UMA, 64 MB)
v 32 MB DDR SDRAM (ATI M7-32)
v 32 MB DDR SDRAM (ATI M9-32)
CMOS RAM v 242 bytes
(continued)
Product overview
44 R50/R50p, R51 Series

Lenovo ThinkPad R50e Series Specifications

General

Brand	Lenovo
Model	ThinkPad R50e Series
Category	Laptop
Language	English