Lenovo ThinkPad T61 User Manual

5. Slide the battery latch to the locked position.
6. Turn the computer over again. Connect the ac adapter and the cables to
the computer.
Note: Your battery may appear slightly different from those shown in figures
above depending on the model.
Upgrading the hard disk drive
Important
Read Safety and Warranty Guide before replacing the hard disk drive.
You can increase the storage capacity of your computer by replacing the hard
disk drive with one of greater capacity. You can purchase a new hard disk
drive from your reseller or Lenovo marketing representative.
Notes:
1. Replace the hard disk drive only if you upgrade it or have it repaired. The
connectors and bay of the hard disk drive were not designed for frequent
changes, or drive swapping.
2. The Rescue and Recovery workspace and the Product Recovery program
are not included on an optional hard disk drive.
Replacing the battery
Chapter 5. Upgrading and replacing devices 33

Lenovo ThinkPad T61 Specifications

General

Bus type	FSB
Tjunction	100 °C
Processor cache	4 MB
Processor cores	2
Processor model	T7300
Processor family	Intel® Core™2 Duo
Processor series	Intel Core 2 Duo T7000 Series
Processor socket	PBGA479, PPGA478
Processor codename	Merom
Processing Die size	143 mm²
Processor frequency	2 GHz
Processor cache type	L2
Processor lithography	65 nm
Processor manufacturer	Intel
Processor front side bus	800 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	10
Number of Processing Die Transistors	291 M
HDD speed	5400 RPM
HDD interface	SATA
Optical drive type	DVD-ROM
Total storage capacity	80 GB
Display diagonal	14.1 \
Display resolution	1280 x 800 pixels
Native aspect ratio	16:10
Modem speed	56 Kbit/s
Wireless technology	IEEE 802.11a/g/n
Memory slots	2x SO-DIMM
Internal memory	1 GB
Internal memory type	DDR2-SDRAM
Maximum internal memory	4 GB
CD write speed	24 x
DVD read speed	8 x
Audio system	High Definition Audio
Networking features	Gigabit Ethernet
Bundled software	Sun JRE, ThinkVantage Access Connections, ThinkVantage Client Security Solution, ThinkVantage Productivity Center, ThinkVantage Rescue & Recovery, ThinkVantage System Update, Norton Internet Security 2007 (OEM), PC-Doctor diagnostics, Adobe Acrobat Reader, Diskeeper 9.0 Home Edition, Lotus Notes Stand-alone Client, Picasa - Google
Operating system installed	Windows Vista Business
Battery life (max)	3 h
Number of battery cells	4
Charging port type	DC-in jack
Serial ports quantity	0
USB 2.0 ports quantity	3
CardBus PCMCIA slot type	Type II
Cable lock slot type	IBM
Pointing device	ThinkPad UltraNav
Discrete graphics card model	Intel® GMA X3100
Processor ARK ID	29760
Processor package size	35 x 35 mm

Weight and Dimensions

Depth	255 mm
Width	357.5 mm
Height	30 mm
Weight	2300 g