ThinkPad ComputerHardware Maintenance Manual February 2006This manual supports:ThinkPad T40/T40p, T41/T41p, T42/T42pThinkPad Dock II (MT 2877)(
Strategy for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. Attention: The
2. Press the left edges 2 and the front edges 3 of the keyboard bezel until the latches are snapped.3322 3. Attach the
4. Secure the keyboard bezel from the underside of the computer with the screws b and c.b1b ccc2c 5. Attach the keyboa
6. Secure the keyboard bezel from the underside of the computer with the screw d. This screw cannot be fastened properly withou
1120 Mini PCI adapter For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models” on page 71 v “1020
334When installing: Plug in the wireless antenna cable as follows: Intel PRO/Wireless LAN 2100 3B Mini PCI Adapter or Intel PRO Wir
Cisco Aironet Wireless 802.11b In case of the antenna jacks have the tabs, plug the gray antenna cable with the tab marked MAIN i
ThinkPad Dual-Band 11a/b Wi-Fi Wireless Mini PCI Adapter, ThinkPad 11a/b/g Wireless LAN Mini PCI Adapter, or ThinkPad 11b/g Wireless
1130 Fan assembly For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models” on page 71 v “1020 Bat
Important In step 2, insert the tip of the tool horizontally between the fan assembly and the CPU, as indicated by arrow a. Th
Important In step 2a and 2b, be careful not to damage the copper plate of the fan assembly. Step 2a is for the fan assembly
Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are
43When installing: Make sure that the connector 4 is firmly attached.Removing and replacing a FRU 104 T40/T40p, T41/T41p, T42/T42p
When installing: Apply thermal grease on the part marked a as in the following figures. Only in the case of Fan assembly, long
1140 Backup battery for 14.1-in. LCD models DANGER For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LC
2When installing: Make sure that the battery connector 2 is firmly attached. Removing and replacing a FRU ThinkPad T40/T40p, T41/T4
1150 Backup battery for 15.0-in. LCD models DANGER For access, remove these FRUs in order: v “1020 Battery pack for 15.0-in. LC
2When installing: Make sure that the battery connector 2 is firmly attached. Removing and replacing a FRU ThinkPad T40/T40p, T41/T4
1160 Speaker assembly For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models” on page 71 v “1020
In step 3, release the speaker cables from the cable guide. 423 When installing: Make sure that the connector 4 is firmly att
1170 Keyboard bezel for 14.1-in. LCD models For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models”
323aabaStep Screw (quantity) Color Torque 2 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) In step 3, make sur
Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery,
1180 PC Card slot assembly for 14.1-in. LCD models For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD
2When installing: Make sure that the connector on the underside of the PC card slot 2 is firmly attached, and then secure the
1190 PC Card slot assembly for 15.0-in. LCD models For access, remove these FRUs in order: v “1020 Battery pack for 15.0-in. LCD
23Step Screw (quantity) Color Torque 2 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) 4 When installing: Make
1200 LCD assembly for 14.1-in. LCD models For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models” o
342Step Screw (quantity) Color Torque 2 M2 × 14 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) After removing the screw,
5Step Screw (quantity) Color Torque 5 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) (continued) Removing and rep
Release the antenna cables from the cable guide 6. 666666 When installing: Make sure that the antenna cables are correctly route
77When installing: Make sure that the security keyhole which is on the left-rear corner of the base cover and the keyhole of the
1210 LCD assembly for 15.0-in. LCD models For access, remove these FRUs in order: v “1020 Battery pack for 15.0-in. LCD models” o
(continuation of safety notice 2) Alcune batterie di riserva contengono una piccola quantità di nichel e cadmio. Non smontarle, rica
23Step Screw (quantity) Color Torque 2 M2 × 12 mm, flat-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) When installing: Make sur
44Step Screw (quantity) Color Torque 4 M2 × 10 mm, flat-head, nylon-coated (3) Black 0.245 Nm(2.5 kgfcm) (continued) Removing and re
Release the antenna cables from the cable guide 5. 55555 When installing: Make sure that the antenna cables are correctly routed
66When installing: Make sure that the security keyhole which is on the left-rear corner of the base cover and the keyhole of the
1220 CPU For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models” on page 71 v “1040 Hard disk d
1230 Ultrabay Slim guide rail assembly for 14.1-in. LCD models For access, remove these FRUs in order: v “1010 Battery pack for 1
45433Step Screw (quantity) Color Torque 3 M2 × 10 mm, flat-head, nylon-coated (3) Black 0.245 Nm(2.5 kgfcm) 4 M2 × 3 mm, small-h
1240 Ultrabay Slim guide rail assembly for 15.0-in. LCD models For access, remove these FRUs in order: v “1020 Battery pack for 1
54333Step Screw (quantity) Color Torque 3 M2 × 10 mm, flat-head, nylon-coated (5) Black 0.245 Nm(2.5 kgfcm) 4 M2 × 4 mm, bind-he
Separate the Ultrabay Slim guide rail assembly a and the hard disk drive guide rail b. 66ab Removing and replacing a FRU Thin
Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, o
1250 VGA and Ultrabay Slim device eject button cable For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LC
546Step Screw (quantity) Color Torque 4 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) When installing: Make sur
1260 System board and base cover for 14.1-in. LCD models For access, remove these FRUs, in order: v “1010 Battery pack for 14.1-i
Important notice for handling the system board in ThinkPad T40 series: There are two types of system board FRU for the ThinkPad T40
v System board without the security chip (bottom view) Begin by checking the FRU number of the system board, and be sure to u
Important notice for handling the system board in ThinkPad T41 series: In ThinkPad T41 series, the security chip a is soldered on
Important When handling the system board in ThinkPad T41 series, bear the following in mind. v The system board of the ThinkPad T
Before removing the system board, remove the support structure (a) and the cable guide (b). 2213ba When installing: Make sure
67cd8Step Screw (quantity) Color Torque 6 M2 × 3 mm, small-head, nylon-coated (1) Silver 0.245 Nm(2.5 kgfcm) 7 M2 × 10 mm, flat-
10911Step Screw (quantity) Color Torque 9 Hex stud (2) Silver 0.392 Nm(4 kgfcm) 10 M2.5 × 3 mm, bind-head, nylon-coated (1) Gold
(continuation of safety notice 3) La batteria contiene piccole quantità di nichel. Non smontarla, gettarla nel fuoco o nell’acqua né
Note for sticking a label kit on the base cover New base cover FRU is shipped with several kinds of label kit. When you replace
1270 System board, interposer card, and base cover for 15.0-in. LCD models For access, remove these FRUs, in order: v “1020 Batter
Important notice for handling the system board in ThinkPad T42 series: In ThinkPad T42 series, the security chip a is soldered on
Important When handling the system board in ThinkPad T42 series, bear the following in mind. v The system board of the ThinkPad T
Remove the support structure a and the EMI bracket b. 32b1a Step Screw (quantity) Color Torque 2 M2 × 10 mm, flat-head, nylo
547c66Step Screw (quantity) Color Torque 4 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm(2.5 kgfcm) 5 M2.5 × 4.8 mm, bi
8de98Step Screw (quantity) Color Torque 8 M2 × 4 mm, bind-head, nylon-coated (3) Black 0.245 Nm(2.5 kgfcm) In step 9, remove the
10fg121311Step Screw (quantity) Color Torque 10 Hex stud (2) Silver 0.392 Nm(4 kgfcm) 11 M2.5 × 3 mm, flat-head, nylon-coated (1)
Note for sticking a label kit on the base cover New base cover FRU is shipped with several kinds of label kit. When you replace
2010 LCD front bezel for 14.1-in. LCD models For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models
Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its pol
54Note for LG-IBM models (Korea) in T41/T41p series: New LCD front bezel FRU is shipped with clear plate FRU. When you replace the
2020 LCD front bezel for 15.0-in. LCD models For access, remove these FRUs in order: v “1020 Battery pack for 15.0-in. LCD models
32Note for LG-IBM models (Korea) in T42/T42p series: New LCD front bezel FRU is shipped with clear plate FRU. When you replace the
2030 Inverter card for 14.1-in. LCD models For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models”
Cable routing: When replacing the inverter card, route the connector cable as in this figure: Removing and replacing a FRU 158
2040 Inverter card for 15.0-in. LCD models For access, remove these FRUs in order: v “1020 Battery pack for 15.0-in. LCD models”
2050 Wireless antenna assemblies, LCD panel, LCD cable assembly, hinges, and LCD cover for 14.1-in. LCD models For access, remove the
Peel the tape securing the Bluetooth wireless antenna assembly 3. 3 544 Step Screw (quantity) Color Torque 4 M2 × 2.7 mm, s
In step 6, remove the latch bar as in this figure. 6 Lift the latch bar in the direction of the arrow 7, and then remove
9Step Screw (quantity) Color Torque 9 M2 × 3 mm, small-head, nylon-coated (1) Silver 0.245 Nm(2.5 kgfcm) (continued) Removing and re
(continuation of safety notice 4) La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o procurare gravi
Slide the spiral tube binding the antenna cables (10a), and then release the cables from the cable guide (10b). Lift the LCD p
Remove the antenna assembly a and hinges b from the LCD assembly. 15a16b161717b1616 Step Screw (quantity) Color Torque 16 M2
Turn over the LCD panel and strip off the tape 21 securing the FPC (c). Then detach the connector 22 in the direction of t
Remove the right latch from the LCD cover. 2324 Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 167
When installing: Follow these steps when you reassemble the LCD unit. 1. Attach the left latch to the LCD cover.21 (continued) R
2. Paste three gaskets only for the models with Bluetooth wireless features. For the other models, skip this step.41.5 mm68.5 mm95.
6. Route the wireless LAN antenna cables as in the following drawings: a. 3321 (continued) Removing and replacing a FRU 170 T40/
b. 4 4 c. 55 (continued) Removing and replacing a FRU ThinkPad T40/T40p, T41/T41p, T42/T42p Series 171
d. Coil the spiral tube round the antenna cables.6 e. Slide the spiral tube in the direction shown by arrow 7.7 (continue
Move the spiral tube until it reaches at the cable guide of the LCD cover as in this figure. Make sure that the antenna cable i
Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the
Note for LG-IBM models (Korea) in T40/T40p series: New LCD cover FRU is shipped with the LG-IBM logo plate. When you replace the
2060 Wireless antenna assemblies, LCD panel, LCD cable assembly, hinges, and LCD cover for 15.0-in. LCD models For access, remove the
Release the antenna cables 2. At the parts indicated by arrows a, the antenna cables go through the hinges. When you route the
345666b677bStep Screw (quantity) Color Torque 6 M2 × 3 mm, bind-head, nylon-coated (4) Silver 0.245 Nm(2.5 kgfcm) (continued) Removing
Turn over the LCD panel, and detach the connector 8 in the direction of the arrow. 8 When installing: Make sure that the FPC
91110b129d10aNote: Step 9 is only for the models with the Bluetooth wireless features. For the other models, skip this step. Step
Cable routing: When you reassemble the LCD unit, do as follows: At the left-top corner of the LCD unit, route the antenna cable a
Then route the cables to along the cable guides of the LCD cover. When you route the cables around the LCD hinges, do as shown
3010 ThinkPad Dock II PCI cover 121 (Bottom view) Removing and replacing a FRU 182 T40/T40p, T41/T41p, T42/T42p
3020 ThinkPad Dock II top cover 111 (Rear view) Step Screw (quantity) Torque 1 M2.5 × 4.8 mm (3) 0.392 Nm (4 kgfcm) 2222 Ste
Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin
33(Bottom view) Step Screw (quantity) Torque 3 M2.5 × 4.8 mm (6) 0.392 Nm (4 kgfcm) (continued) Removing and replacing a FRU 184
Make sure that the system lock key A is set to the Unlock position. Release the front latches in step 4, and then remove the
Locations Front view 1 Wireless status indicator 2 Bluetooth wireless status indicator (for some models) 3 System status indicator
12345678916101213141519171811Locations ThinkPad T40/T40p, T41/T41p, T42/T42p Series 187
Rear view 1 Power status indicators 2 Bluetooth wireless status indicator 3 PC Card eject buttons 4 PC Card slots 5 Microph
Bottom view 1 Hard disk drive 2 Optional DIMM slot 3 Battery pack 4 Battery pack lock (only for 14.1-in LCD models) 5 Doc
Parts list v Each FRU is available for all types or models, unless specific types or models are specified. v A CRU (customer r
Overall 12345671110121316141518a2021221792319bfcde8 Parts list ThinkPad T40/T40p, T41/T41p, T42/T42p Series 191
No. FRU P/N CRU ID a- f See “Miscellaneous parts” on page 243. 1 LCD unit (see “14.1-in. LCD FRUs” on page 220 and “15.0-in. LCD
No. FRU P/N CRU ID 4 DVD drive 8x for T40/T40p, T41/T41p, T42 OP v 2373-14x, 16x, 1Bx, 24x, 2Bx, 47x, 54x, 58x, 61x, 66x, 6Bx
Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 250.
Safety notice 7 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to b
No. FRU P/N CRU ID 4 DVD/CD-RW combo drive for T42/T42p OP v 2373-1Wx, 1Zx, 2Ux, 2Wx, 2Xx, 3Ux, 3Wx, 3Xx, 3Yx, 3Zx, 4Tx, 4Vx,
No. FRU P/N CRU ID 5 Hard disk drive, 30 GB, 9.5 mm, 4,200 rpm, ThinkPad STD for T40/T40p v 2373-12x, 14x, 16x, 19x, 1Bx, 51x,
No. FRU P/N CRU ID 5 Hard disk drive, 40 GB, 9.5 mm, 5,400 rpm ThinkPad STD for T40/T40p, T41/T41p OP v 2373-22x, 24x, 25x, 29
No. FRU P/N CRU ID 5 Hard disk drive, 60 GB, 9.5 mm, 4,200 rpm, HGST for T40/T40p, T41/T41p v Supported by CTO 13N6707 * Hard di
No. FRU P/N CRU ID 8 Modem daughter card (MDC) for T40/T40p, T41/T41p v 2373-12x, 14x, 16x, 19x, 1Bx, 22x, 24x, 25x, 29x, 2Ax, 2B
No. FRU P/N CRU ID 8 ThinkPad Integrated Bluetooth with 56K Modem (BMDC) for T40/T40p, T41/T41p v 2373-32x, 33x, 42x, 4Ax, 92x, 93
No. FRU P/N CRU ID 9 128-MB DDR SDRAM SO-DIMM (PC2700) for T41/T41p, T42/T42p OP v Supported by CTO 31P9829 * 256-MB DDR SDRAM S
No. FRU P/N CRU ID 9 1-GB DDR SDRAM SO-DIMM (PC2700) for T41/T41p, T42/T42p OP v 2373-GLx, GJx, 9Hx v 2373-9Vx, GUx, HTx, HVx,
No. FRU P/N CRU ID 10 Battery pack, Li-ion (6 cell) 4.4 Ah, Panasonic OP v 2373-1Ux, 1Wx, 1Yx, 1Zx, 2Tx, 2Ux, 2Wx, 2Xx, 2Yx, 2
No. FRU P/N CRU ID 11 Base cover assembly 2373 (14.1-in.) WW (T40/T40p, T41, T42/T42p) v 2373-12x except 12K, 14x except 14K, 16x,
Safety notice 8 DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the
No. FRU P/N CRU ID 11 Base cover assembly 2373 (14.1-in.) WW M10 (T41p, T42p) v 2373-ANx, GEx except GEK, GGx except GGK, GHx, GK
No. FRU P/N CRU ID 11 Base cover assembly 2374 (14.1-in.) WW (T40, T41, T42) v 2374-12x except 12K, 14x except 14K, 2Ax, 2Cx, 44x
No. FRU P/N CRU ID 11 Base cover assembly 2375 (15.0-in.) WW (T42/T42p) v Supported by CTO 13R2925 N Base cover assembly 2376 (14.1
No. FRU P/N CRU ID 12 Cover, DIMM slot for T40/T40p, T41, T42 13N5529 * Cover, DIMM slot for T41p, T42p 13N5667 * 13 Speaker (14.
No. FRU P/N CRU ID 14 Intel PRO/Wireless LAN 2100 3B Mini PCI Adapter v 2373-19x, 1Bx, 22x, 25x, 29x, 2Bx, 2Cx, 32x, 3Cx, 42x, 4
No. FRU P/N CRU ID 14 Intel PRO Wireless 2200BG Mini-PCI Adapter v 2373-1YU, 3VU, 3XU, 5TU, 6VU, 7XU, 8ZU, 9VU, CXU, GRU, KUU, KY
No. FRU P/N CRU ID 14 ThinkPad 11a/b/g Wireless LAN Mini PCI Adapter II v 2373-K9U, M1U, N1U, P1U, Q1U 93P4262 ** (*1) v 2373-J
No. FRU P/N CRU ID 15 System board assembly, ATI M7-32, Gigabit Ethernet with security chip for T40 v 2373-32x, 42x, 47x, 49x, 4Ax
No. FRU P/N CRU ID 15 System board assembly, ATI M7-32, Gigabit Ethernet with security chip for T42 v 2373-1Ux, 1Wx, 1Yx, 1Zx, 2Tx
No. FRU P/N CRU ID 15 System board assembly, ATI M10-64, Gigabit Ethernet with security chip (no fingerprint sensor) for T42 v Supp
Safety information The following section presents safety information with which you need to be familiar before you service a ThinkPad
No. FRU P/N CRU ID 17 CPU assembly, Intel Pentium M processor, 1.4 GHz for T40/T40p, T41/T41p v 2373-1Ex, 1Fx, 1Hx, 1Lx, 2Ex, 2Fx,
No. FRU P/N CRU ID 17 CPU assembly, Intel Pentium M processor 735 (1.7 GHz) for T42 v 2373-3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 4Tx, 4U
No. FRU P/N CRU ID 17 CPU assembly, Intel Pentium M processor 765 (2.1 GHz) for T42/T42p v 2373-Pxx, Q1x, Q2x, Q3x, Q4x, Q5x v
No. FRU P/N CRU ID 18 Fan assembly (short) (15.0-in.) v 2373-4Yx, 6Yx, 7Yx, AUx, FYx v 2373-F2x, F3x, F5x, H8x, H9x, HAx, JBx,
No. FRU P/N CRU ID 20 Palm rest assembly with touch pad (WW) v 2373-all except xxK in T40/T40p v 2373-all in T41/T41p, T42/T42p
No. FRU P/N CRU ID 23 Interposer card for T42/T42p v 2373-3Xx, 3Yx, 4Yx, 6Yx, 7Xx, 7Yx, 8Yx, AUx, AYx, AZx, BUx, CUx, CVx, CWx,
14.1-in. LCD FRUs 1ba26cde37810549 Parts list 220 T40/T40p, T41/T41p, T42/T42p
14.1-in. XGA TFT No. FRU P/N CRU ID a-d See “Miscellaneous parts” on page 243. 1 LCD cover kit (WW) v 2373-12x except 12K, 14x
No. FRU P/N CRU ID 1 LCD cover kit (Korea) for T40/T40p v 2373-12K, 14K, 29K, 2BK, 6BK, 72K, 75K, 7CK, 82K, 8CK v 2374-12K, 14
No. FRU P/N CRU ID 4 Wireless AUX antenna 13N5517 N 5 Bluetooth wireless antenna assembly v 2373-42x, 4Ax, A2x v 2373-2Fx, 4Fx,
v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defecti
No. FRU P/N CRU ID 8 LCD panel, 14.1-in. XGA for T40, T41, T42 v 2373-12x, 14x, 16x, 19x, 1Bx, 22x, 24x, 25x, 29x, 2Ax, 2Bx, 2
No. FRU P/N CRU ID 8 LCD panel, 14.1-in. XGA, CMO for T41, T42 v 2373-1Ex, 1Fx, 1Hx, 1Lx, 2Ex, 2Fx, 2Qx, 4Fx, 4Gx, 4Hx, 4Nx, 4P
14.1-in. SXGA+ TFT No. FRU P/N CRU ID a-d See “Miscellaneous parts” on page 243. 1 LCD cover kit (WW) v 2373-32x, 33x, 58x, 91x,
No. FRU P/N CRU ID 3 LCD cable assembly, 14.1-in. SXGA+ v 2373-32x, 33x, 3Cx, 58x, 91x, 92x, 93x, 94x, 96x, 9Cx, A1x, A8x, A9x,
No. FRU P/N CRU ID 5 Bluetooth wireless antenna assembly v 2373-32x, 33x, 3Cx, 42x, 4Ax, 58x, 91x, 92x, 93x, 94x, 96x, 9Cx, A1x,
No. FRU P/N CRU ID 9 LCD panel, 14.1-in. SXGA+ for T40/T40p, T41/T41p, T42/T42p v 2373-32x, 33x, 3Cx, 58x, 91x, 92x, 93x, 94x, 96
15.0-in. LCD FRUs 12536784 Parts list 230 T40/T40p, T41/T41p, T42/T42p
15.0-in. XGA TFT No. FRU P/N CRU ID 1 LCD cover kit, 15.0-in. (WW) v 2373-4Yx, 6Yx, 7Yx, AUx, FYx v 2373-F2x, F3x, F5x, H8x,
15.0-in. SXGA+ IPS TFT No. FRU P/N CRU ID 1 LCD cover kit, 15.0-in. (WW) v 2373-3Xx, 3Yx, 8Yx, AYx, BUx, CUx, Cvx, CWx, CXx, CY
No. FRU P/N CRU ID 7 LCD panel, 15.0 SXGA+ (ID Tech) v 2373-3Xx, 3Yx, 8Yx, AYx, BUx, CUx, Cvx, CWx, CXx, CYx, JXx v 2373-H9x,
– Ensure that another person, familiar with the power-off controls, is near you. Attention: Another person must be there to swit
15.0-in. UXGA IPS TFT No. FRU P/N CRU ID a-d See “Miscellaneous parts” on page 243. 1 LCD cover kit, 15.0-in. (WW) v 2373-AZx, H
Keyboard Table 1. Keyboards for 15.0-in. LCD models Language P/N (NMB) P/N (ALPS) P/N (CHICONY) CRU ID Arabic 93P4801 93P4861 13N9914 ** B
Table 2. Keyboards for 14.1-in. LCD models Language P/N (NMB) P/N (CHICONY) CRU ID Arabic 08K5065 13N9852 ** Belgian 08K5060 13N9847 Chine
Recovery CDs Windows XP Professional (for T40/T40p series) Windows XP Professional is preinstalled as the operating system in the follo
Windows XP Professional (for T41/T41p series) Windows XP Professional is preinstalled as the operating system in the following models:
Windows XP Professional (for T42/T42p series) Windows XP Professional is preinstalled as the operating system in the following models:
Language P/N CRU ID Arabic 24R7703 * Chinese, Simplified 24R7696 Chinese, Traditional 24R7697 Chinese, Traditional (Hong Kong S.A.R.) 24R
Windows 2000 (for T40/T40p series) Windows 2000 is preinstalled as the operating system in the following models: v 2373-16x, 25x, 6
Windows 2000 (for T41 series) Windows 2000 is preinstalled as the operating system in the following models: v 2373-5RJ, 6KJ, 6SJ,
Miscellaneous parts FRU P/N CRU ID Screw kit (including nylon-coated screws): v M2 × 2.7 mm (silver), small head (10) v M2 × 3
Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each
FRU P/N CRU ID Base miscellaneous parts (15.0-in. LCD models): v Cover, PC Card slot v Spring, PC Card slot cover v Rubber foot
FRU P/N CRU ID System miscellaneous parts (15.0-in. LCD models): v Cable, RJ11-docking connector on system board v DC in cable v
FRU P/N CRU ID LCD miscellaneous parts (14.1-in. LCD models): v Tape, LCD FPC v Tape on Bluetooth wireless antenna v (a) LCD la
Optional FRUs FRU P/N CRU ID 1-GB DDR SDRAM SO-DIMM (PC2100) 10K0035 * Hard disk drive, 80 GB, 9.5 mm, 4200 rpm, ThinkPad STD 08K98
Common parts list Tools Tool P/N Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable
For 3-pin power cords: Region P/N CRU ID Australia, New Zealand 76H3514 * Taiwan, Thailand 76H3516 Italy 76H3530 Denmark 76H3520 U.K.,
Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Leno
and is presented as an illustration. The result obtained in other operating environments may vary. Lenovo may use or distribute any
Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo Rescue and Recovery
Trademarks ThinkPad T40/T40p, T41/T41p, T42/T42p Series 253
8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with.Handling devices that are
Part Number: 39T6192 (1P) P/N: 39T6192
– Use the round ground prong of the ac plug on ac-operated computers.Grounding requirements Electrical grounding of the computer is
Laser compliance statement Some models of ThinkPad computer are equipped from the factory with an optical storage device such as a C
If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note the following: CAUTION: Opening the CD-ROM drive,
Contents About this manual . . . . . . . . . . .1 Introduction . . . . . . . . . . . . .3 Important service information
A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode.
General descriptions The desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor® DOS diagnostics program. Some
__ 2. Date of service __ 3. Date on which the machine failed __ 4. Date of purchase __ 5. Failure symptoms, error codes a
Related service information This section provides information about the following: v “Service Web site” v “Restoring the pre-install
5. If you get a message asking which operating system to install, select the proper operating system and press Enter. 6. A mess
information stored in the BIOS Setup Utility. The user must enter the SVP in order to get access to the BIOS Setup Utility and c
message is displayed at the lower-left of the screen, press the Access IBM button. The Rescue and Recovery screen opens. For models
4. Select Security, using the cursor keys to move down the menu. 5. Select Password. 6. Select Hard-disk x password, where x
Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Scr
computer enters the power-saving mode automatically. This default low-battery behavior is independent of the operating system; so if y
1030 Ultrabay Slim device . . . . . . . .74 1040 Hard disk drive . . . . . . . . . .75 1050 DIMM (optional) . . . .
v If you are using the APM operating system and have set the mode to Power switch mode [Hibernation], turn off the power switch
Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The
3. Authenticating the digital signature takes about 15 seconds; then the ThinkPad computer will reboot into PC-DOS. 4. A batch fi
The options on the test menu are as follows: Diagnostics Interactive Tests v Run Normal Test v Run Quick Test v CPU/Coprocesso
6. To exit the test, select Quit — Exit Diag. To cancel the test, press Esc.Note: After running PC-Doctor, check the time and
Power system checkout To verify a symptom, do the following: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect
Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a batt
Note: Recharging will take at least 3 hours, even if the indicator does not turn on. If the voltage is still less than +11.0 V
Checkout guide 42 T40/T40p, T41/T41p, T42/T42p
ThinkPad T40/T40p, T41/T41p, T42/T42p Series Product overview . . . . . . . . . . . .45 Specifications . . . . . . . . . .
14.1-in. LCD FRUs . . . . . . . . . . 220 15.0-in. LCD FRUs . . . . . . . . . . 230 Keyboard . . . . . . . . . .
1240 Ultrabay Slim guide rail assembly for 15.0-in. LCD models . . . . . . . . . . . 131 1250 VGA and Ultrabay Slim device e
Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators” on page 50 v
Feature Description Bus architecture T40/T40p series: v 400-MHz PSB (Processor System Bus) v 266-MHz DDR SDRAM (PC2100) v HUB lin
Feature Description Standard memory T40/T40p series: v 256-MB DDR SDRAM SO-DIMM (PC2100) card × 1 v 512-MB DDR SDRAM SO-DIMM (PC210
Feature Description Hard disk drive v 20.0 GB, 4200 rpm, 9.5 mm high, IDE interface (supported by CTO) v 30.0 GB, 4200 rpm, 9.
Feature Description Mini PCI adapter T40/T40p series: v ThinkPad Dual-Band 11a/b Wi-Fi Wireless Mini PCI Adapter v Cisco Aironet Wi
Status indicators The system status indicators show the status of the computer, as follows: 22232425262728291 283 Product overview 50
Indicator Meaning 1 Ultrabay Slim status Green: An Ultrabay Slim device is installed and in use. Blinking green: An Ultrabay Slim devi
Indicator Meaning 5 Drive in use Green: Data is being read from or written to the hard disk drive, the diskette drive, or the dri
FRU tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2
vi T40/T40p, T41/T41p, T42/T42p
FRU Applicable test Memory 1. If two DIMMs are installed, remove one of them and run Diagnostics --> Memory Test—Quick. 2. If
Key combination Description Fn+F4 Put the computer in standby mode. To return to normal operation, press the Fn key only, without pre
Key combination Description Fn+F8 Note: This function is not supported in Windows 2000 and Windows XP. If the image displayed on the
Key combination Description Fn+F12 Put the computer into hibernation mode. To return to normal operation, press the power button for l
Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cau
Symptom or error FRU or action, in sequence 0185Bad startup sequence settings. Enter BIOS Setup and load Setup defaults. 1. Run BIO
Symptom or error FRU or action, in sequence 0220Monitor type error—Monitor type does not match the one specified in CMOS. Load Setup
Symptom or error FRU or action, in sequence 1803Unauthorized daughter card is plugged in—Turn off and remove the daughter card. 1.
Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Defaults” in the BIOS Setup Ut
Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD co
About this manual This manual contains service and reference information for ThinkPad® T40/T40p, T41/T41p, T42/T42p series (MT2373, 2374,
LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The presence of a sma
Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware
FRU replacement notices This section contains notices related to removing and replacing parts. Read this section carefully before repl
v Make sure that you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque shown in
Retaining the UUID The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at production and
3. To write ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction. 4. To write box build d
Removing and replacing a FRU This section presents directions and drawings for use in removing and replacing a FRU. Be sure to obs
1010 Battery pack for 14.1-in. LCD models DANGER 1 (continued) Use only the battery specified in the parts list for your computer
Holding the battery release lever in the unlocked position 2, remove the battery pack 3. 23 When installing: Install the batte
1020 Battery pack for 15.0-in. LCD models DANGER Holding the battery release lever in the unlocked position 1, remove the batter
2 T40/T40p, T41/T41p, T42/T42p
1030 Ultrabay Slim device Note Ultrabay Slim does not accept any of the following devices: v Ultrabay Plus devices v Ultrabay 200
1040 Hard disk drive Attention v Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sen
2334When installing: Make sure that the hard-disk connector is attached firmly. Removing and replacing a FRU 76 T40/T40p, T41/T41p,
1050 DIMM (optional) For access, remove this FRU: v “1010 Battery pack for 14.1-in. LCD models” on page 71 v “1020 Battery pack
433When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into
1060 Keyboard For access, remove this FRU: v “1010 Battery pack for 14.1-in. LCD models” on page 71 v “1020 Battery pack for 1
Press the part indicated by the arrow 2 in the direction of the arrow. This releases the latches of the keyboard from the frame
When installing: 1. Attach the connector 1.1 2. Make sure that the keyboard edges, marked a in the figure, are under the
3. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your fingers and try to slide
1070 DIMM (standard) For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models” on page 71 v “1020
Introduction Important service information Important BIOS and device driver fixes are customer-installable. The BIOS and device drivers a
1080 Modem daughter card (MDC/MDC-2) For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD models” on page
Turn the card over 3, and detach the modem connector 4. 34 When installing: Make sure that connector 4 and the connector on
1090 Bluetooth/Modem daughter card (BMDC/BMDC-2) For access, remove these FRUs in order: v “1010 Battery pack for 14.1-in. LCD model
Turn the card over 3, and detach the modem connector 4. If the Bluetooth wireless antenna jack has a tab marked ″BT″, unplug
1100 Palm rest or Palm rest with fingerprint sensor (for 14.1-in. LCD models) For access, remove these FRUs in order: v “1010 Batt
3a311112Step Icon Screw cap Screw (quantity) Color Torque 1 1 M2 × 4 mm, small-head, nylon-coated (4) Black 0.245 Nm(2.5 kgfcm) 2 2
For a model with a touch pad, detach the touch pad connector by pulling the tab with your fingers in the direction of arrow 4.
1110 Keyboard bezel or Keyboard bezel with fingerprint sensor (for 15.0-in. LCD models) For access, remove these FRUs in order: v “
22222Step Icon Screw (quantity) Color Torque 2 2 M2 × 14 mm, bind-head, nylon-coated (6) Black 0.245 Nm(2.5 kgfcm) 34 Removing an
When installing: 1. Place the keyboard bezel so that the three latches are fixed in place 1.1 While inserting the three latche
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