IBM 2681 Hardware Maintenance Manual - Page 49

Product overview 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 Processor Description 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 Bus architecture Memory (standard) Memory (optional) Graphic memory 2722, 2723, 2724 v Intel® Pentium® M Processor 1.3/ 1.4/ 1.5GHz, L2 1MB cache v 400MHz PSB v HUB link (on some models) v PCI bus v LPC bus v 266MHz DDR SDRAM (PC2100) 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 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 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) ThinkPad R40 45