Product overview, Specifications, Feature Description

Product overview

This section presents the following product-unique information:

v“Specifications”

v“Status indicators” on page 37

v“FRU tests” on page 40

v“Fn key combinations” on page 42

Specifications

The following table lists the specifications of the ThinkPad R61, R61e, and R61i

(15.4-inch widescreen):

Feature	Description

Processor	v	Intel® Core™ 2 Duo processor T5250 (1.5 GHz), 2-MB L2
		cache
	v Intel Core 2 Duo processor T5450 (1.66 GHz), 2-MB L2
		cache
	v Intel Core 2 Duo processor T5470 (1.6 GHz), 2-MB L2
		cache
	v Intel Core 2 Duo processor T7100 (1.8 GHz), 2-MB L2
		cache
	v Intel Core 2 Duo processor T7300 (2.0 GHz), 4-MB L2
		cache
	v Intel Core 2 Duo processor T7500 (2.2 GHz), 4-MB L2
		cache
	v Intel® Celeron® M Processor 540 (1.86 GHz), 1-MB L2
		cache
	v Intel Celeron M processor 550 (2.0 GHz), 1-MB L2 cache
Bus architecture	v	800-MHz PSB
	v	667-MHz DDR2 SDRAM (PC2-5300)
	v	PCI bus
	v	PCI Express bus
	v	DMI
Graphic memory chip	v	Intel PM965 graphics
	v	Intel GM965 graphics
	v	Intel GL960 graphics
Display	v	15.4-inch, 16M colors, WXGA (1280 ⋅ 800 resolution) TFT
		color LCD
	v 15.4-inch, 16M colors, WSXGA+ (1680 ⋅ 1050 resolution)
		TFT color LCD

Standard memory	v	512-MB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v	1-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v 2-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
Optional memory	v	512-MB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v	1-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v 2-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
		(maximum of 4.0 GB)
	Note: Due to the limitation of the current 32-bit PC
	architecture, actual usable memory size is limited to 3 GB
	even though the physical installable memory size is 4 GB in
	ThinkPad R61, R61e, and R61i (15.4-inch widescreen)
	computers.

CMOS RAM	v	242 bytes

(continued)