IBM THINKPAD R50E -, Hardware Maintenance Manual, Page: 48 / 149

Product overview
This section presents the following product-unique
information:
v “Specifications”
v “Status indicators” on page 45
v “FRU tests” on page 47
v “Fn key combinations” on page 49
Specifications
The following table lists the specifications of the ThinkPad
R50e series:
Feature Description
Processor
v
Mobile Intel
®
Celeron
®
processor 1.2
GHz, L2 512-KB cache
v Mobile Intel
®
Celeron
®
processor 1.3
GHz, L2 512-KB cache
v Intel
®
Pentium
®
M processor 1.4 GHz,
L2 1-MB cache
v Intel
®
Pentium
®
M processor 1.5 GHz,
L2 1-MB cache
v Intel
®
Pentium
®
M processor 1.6 GHz,
L2 1-MB cache
Standard memory 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 266 MHz DDR (Double Data Rate)
SDRAM (Synchronous DRAM) (PC2700)
v HUB link
v
PCI bus
v LPC bus
Graphic memory
chip
v Intel 855GME
(total video memory: UMA, 64 MB)
CMOS RAM
v
242 bytes
(continued)
Product overview
ThinkPad R50e Series
43