Lenovo ThinkPad T61 Hardware Maintenance Manual - Page 54

Feature, Description - memory installation

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Table 7. Specifications (continued) Feature Description Processor (continued) v Intel Core 2 Duo processor T8100 (2.1 GHz), 3-MB L2 cache v Intel Core 2 Duo processor T8300 (2.4 GHz), 3-MB L2 cache v Intel Core 2 Duo processor T9300 (2.5 GHz), 6-MB L2 cache v Intel Core 2 Duo processor T9500 (2.6 GHz), 6-MB L2 cache v Intel® Pentium® Dual Core processor T2310 (1.46 GHz), 1-MB L2 cache v Intel Pentium Dual Core processor T2330 (1.6 GHz), 1-MB L2 cache v Intel Pentium Dual Core processor T2370 (1.73 GHz), 1-MB L2 cache v Intel Pentium Dual Core processor T2390 (1.86 GHz), 1-MB L2 cache v Intel Pentium Dual Core processor T2410 (2.0 GHz), 1-MB L2 cache v Intel® Celeron® M processor 530 (1.73 GHz), 1-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 v Intel Celeron M processor 560 (2.13 GHz), 1-MB L2 cache v Intel Celeron M processor 570 (2.26 GHz), 1-MB L2 cache v Intel Celeron Dual Core processor T1400 (1.73 GHz), 512-KB L2 cache v Intel Celeron Dual Core processor T1500 (1.86 GHz), 512-KB L2 cache Bus architecture v 667-MHz PSB v 667-MHz DDR2 SDRAM (PC2-5300) v PCI bus v PCI Express bus v DMI Graphic memory chip v Intel PM965/GM965 graphics Display v 15.4-inch, 16M colors, WXGA (1280 × 800 resolution) TFT color LCD v 15.4-inch, 16M colors, WXGA+ (1440 × 900 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 256-MB 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 T61, R61, and R61i (14.1-inch widescreen) (14.1-inch widescreen) computers. CMOS RAM v 242 bytes 46 ThinkPad T61, R61, and R61i (14.1-inch widescreen) Hardware Maintenance Manual

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Table
7.
Specifications
(continued)
Feature
Description
Processor
(continued)
v
Intel
Core
2
Duo
processor
T8100
(2.1
GHz),
3-MB
L2
cache
v
Intel
Core
2
Duo
processor
T8300
(2.4
GHz),
3-MB
L2
cache
v
Intel
Core
2
Duo
processor
T9300
(2.5
GHz),
6-MB
L2
cache
v
Intel
Core
2
Duo
processor
T9500
(2.6
GHz),
6-MB
L2
cache
v
Intel
®
Pentium
®
Dual
Core
processor
T2310
(1.46
GHz),
1-MB
L2
cache
v
Intel
Pentium
Dual
Core
processor
T2330
(1.6
GHz),
1-MB
L2
cache
v
Intel
Pentium
Dual
Core
processor
T2370
(1.73
GHz),
1-MB
L2
cache
v
Intel
Pentium
Dual
Core
processor
T2390
(1.86
GHz),
1-MB
L2
cache
v
Intel
Pentium
Dual
Core
processor
T2410
(2.0
GHz),
1-MB
L2
cache
v
Intel
®
Celeron
®
M
processor
530
(1.73
GHz),
1-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
v
Intel
Celeron
M
processor
560
(2.13
GHz),
1-MB
L2
cache
v
Intel
Celeron
M
processor
570
(2.26
GHz),
1-MB
L2
cache
v
Intel
Celeron
Dual
Core
processor
T1400
(1.73
GHz),
512-KB
L2
cache
v
Intel
Celeron
Dual
Core
processor
T1500
(1.86
GHz),
512-KB
L2
cache
Bus
architecture
v
667-MHz
PSB
v
667-MHz
DDR2
SDRAM
(PC2-5300)
v
PCI
bus
v
PCI
Express
bus
v
DMI
Graphic
memory
chip
v
Intel
PM965/GM965
graphics
Display
v
15.4-inch,
16M
colors,
WXGA
(1280
×
800
resolution)
TFT
color
LCD
v
15.4-inch,
16M
colors,
WXGA+
(1440
×
900
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
256-MB
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
T61,
R61,
and
R61i
(14.1-inch
widescreen)
(14.1-inch
widescreen)
computers.
CMOS
RAM
v
242
bytes
46
ThinkPad
T61,
R61,
and
R61i
(14.1-inch
widescreen)
Hardware
Maintenance
Manual