IBM ThinkPad R40 Hardware Maintenance Manual

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

IBM ThinkPad R40 Specifications

General

Brand	IBM
Model	ThinkPad R40
Category	Laptop
Language	English