Lenovo ThinkPad R61e Hardware Maintenance Manual - Page 57
Feature, Description - thinkpad r61i ram
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Table 7. Specifications (continued) Feature Description 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 GML960 graphics Display Standard memory 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 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 Hard disk drive v 60 GB, 5400 rpm, 9.5 mm high, SATA interface v 80 GB, 5400 rpm, 9.5 mm high, SATA interface v 120 GB, 5400 rpm, 9.5 mm high, SATA interface v 160 GB, 5400 rpm, 9.5 mm high, SATA interface v 160 GB, 5400 rpm, 9.5 mm high, SATA interface (FDE) v 250 GB, 5400 rpm, 9.5 mm high, SATA interface v 60 GB, 7200 rpm, 9.5 mm high, SATA interface v 100 GB, 7200 rpm, 9.5 mm high, SATA interface v 160 GB, 7200 rpm, 9.5 mm high, SATA interface v 200 GB, 7200 rpm, 9.5 mm high, SATA interface (FDE) Supported hard disk drives depend on the model. Ultrabay EnhancedTM device (standard) v DVD drive, 12.7 mm high v DVD/CD-RW combo drive, 12.7 mm high v DVD-RAM/RW drive, 12.7 mm high v Blu-Ray disk drive, 12.7 mm high Fingerprint reader Some models I/O port v External monitor connector v Stereo headphone jack v Monaural microphone jack v IEEE 1394 connector (some models) v Docking connector v RJ11 connector v RJ45 connector v Universal serial bus (USB) connector × 3 (compatible with USB 1.1 and 2.0) v 4-in-1 slot (some models) v Integrated camera (some models) R61, R61e, and R61i (15.4-inch widescreen) 49