Technical information

Product overview
This section presents the following product-unique
information:
v “Specifications”
v “Status indicators” on page 48
v “FRU tests” on page 50
v “Fn key combinations” on page 52
Specifications
The following table lists the specifications of the ThinkPad
R40 series:
Feature Description
Processor 2681, 2682, 2683
v Mobile Intel
®
Pentium
®
4 processor- M 1.8/
1.9/ 2.0/ 2.2/2.4GHz, L2 512 KB cache
v Mobile Intel
®
Celeron
®
Processor 1.6/
1.8GHz, L2 256KB cache
2684,
2685
v Mobile Intel
®
Pentium
®
4 processor- M
1.8GHz, L2 512 KB cache
v Mobile Intel
®
Celeron
®
Processor 1.7/
1.8GHz, L2 256KB cache
2722,
2723, 2724
v Intel
®
Pentium
®
M Processor 1.3/ 1.4/
1.5GHz, L2 1MB cache
Bus
architecture
v 400MHz PSB
v HUB link (on some models)
v PCI bus
v LPC bus
v 266MHz DDR SDRAM (PC2100)
Memory
(standard)
v 128 MB DDR SDRAM SO DIMM (PC2100)
card × 1
v 256 MB DDR SDRAM SO DIMM (PC2100)
card × 1
v 512 MB DDR SDRAM SO DIMM (PC2100)
card × 1
Memory
(optional)
v 128 MB DDR SDRAM SO DIMM (PC2100)
card
v 256 MB DDR SDRAM SO DIMM (PC2100)
card
v 512 MB DDR SDRAM SO DIMM (PC2100)
v 1 GB DDR SDRAM SO DIMM (PC2100) —
on some models
Graphic
memory
2681, 2682, 2683, 2722, 2723, 2724
v 16 MB DDR SDRAM (on the system board)
v 32 MB DDR SDRAM (on the system board)
2684,
2685
v 16 MB DDR SDRAM (on the system board)
Product overview
ThinkPad R40 45