Lenovo ThinkPad R61 Hardware Maintenance Manual page 41

Feature
Standard memory
Optional memory
CMOS RAM
Hard disk drive
TM
Ultrabay Enhanced device
(standard)
Fingerprint reader
I/O port
Internal modem
Audio
Ethernet (on the system
board)
(continued)
Description
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
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.
v 242 bytes
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 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.
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
Some models
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)
v 56.6 Kbps
v Built-in stereo speakers
v Software control volume
v Gigabit Ethernet
ThinkPad R61, R61e, and R61i (15.4-inch widescreen)
Product overview
35