IBM T23 Support Question
IBM T23 Support Question
Find answers below for this question about IBM T23 - THINKPAD T23 1133MHZ 512MB 30GB DVD WIRELESS XP LAPTOP.Need a IBM T23 manual? We have 1 online manual for this item!
Question posted by kumarmanojmkmanoj on December 22nd, 2011
Superwiser Password
how to break ibm thinkpad superwiser password
Current Answers
Answer #1: Posted by realmalik on January 12th, 2012 10:20 PM
realmalik
Member since:
December 23rd, 2011 Points: 66,190
Member since:
December 23rd, 2011 Points: 66,190
Related IBM T23 Manual Pages
Hardware Maintenance Manual - Page 1
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual
April 2002
This manual supports: ThinkPad T20, T21, T22, T23 (MT 2647/2648) ThinkPad Dock (MT 2631)
Hardware Maintenance Manual - Page 3
Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Important This manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. Before servicing an IBM ThinkPad product, be sure to review the safety information under "Safety notices: multilingual translations" on page 3, "Safety information" on page 13...
Hardware Maintenance Manual - Page 4
iv ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual - Page 5
...
Service web site 23 Restoring the preloaded system 23 Passwords 26 Power management 28 Checkout guide 32 Testing the computer 33 Detecting system information with PC-Doctor. . . 34 Power system checkout 35
ThinkPad T20, T21, T22 and T23 series. . . . . 39 Product overview 41... Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61
© Copyright IBM Corp. 2002
v
Hardware Maintenance Manual - Page 6
... view 141
Bottom view 142
Parts list 143
T20, T21, T22 and T23 series model matrix
146
Overall 147
AC adapters 156
LCD FRUs 157
Keyboard 160
Recovery CDs 161
Miscellaneous parts 170
Optional FRUs 171
Common parts list 172
Notices 174
Trademarks 174
vi ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual - Page 8
... during write operations such as follows:
Diskette drive
3.5-inch
Diskette capacity 1.0 MB 2.0 MB 4.0 MB
Compatibility
Read and write Read and write Not compatible
2 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If you select an incorrect drive, data or programs can be overwritten. If no error code is displayed, see if the...
Hardware Maintenance Manual - Page 24
... J for Class 1 laser products.
18 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Elsewhere, the drive ...is certified in the U.S. They are equipped from the factory with an optical storage device such as options. Laser compliance statement
Laser compliance statement
Some IBM Personal Computer models are also sold separately as a CD-ROM drive or a DVD...
Hardware Maintenance Manual - Page 28
... symptoms that the system was subjected to excessive force, or dropped.
22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Failure symptoms, error codes appearing on the
diskette drive...the improper insertion of a PC Card
or the installation of a nonsupported device v Forgotten computer password (making the computer unusable) v Sticky keys caused by nonwarranted activities: v Missing parts might ...
Hardware Maintenance Manual - Page 32
... v To preload the hard-disk drive without installing the service partition, press N key.
8. Follow the prompts to the system user.
26 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hard-disk password:
There are two modes for it to get a message asking which operating system to install, select the proper operating system and...
Hardware Maintenance Manual - Page 34
... Yes .
v Standby mode is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off .
28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Screen blank mode
Screen blank mode has... in
Windows 95 and Windows NT. A pop-up window opens. 5. then leave the New Password
field blank and press Enter twice. 7. Power management
To reduce power consumption, the computer has three...
Hardware Maintenance Manual - Page 49
...Software control volume
Infrared transfer
IrDA 1.1
802.11b (only Mini PCI Type-IIIa IEEE 802.11b wireless LAN for T23 series) card
PC Card
One Type-III or two Type-II
AC adapter 72-watt type
Bay ... CD-ROM drive v 6x DVD-ROM drive
T21, T22, T23 v 1.44 MB (3-mode), 3.5-inch diskette drive v 10-24x CD-ROM drive v 8x DVD-ROM drive v CD-RW drive v DVD/CD-RW combo drive
ThinkPad T20, T21, T22 and...
Hardware Maintenance Manual - Page 53
..., return the DIMM to its place, remove the other one of them and run Diagnostics --> Memory Test - ThinkPad T20, T21, T22 and T23 series 47
Interactive Tests --> Diskette
CD-ROM, DVD, 1. Quick.
2.
Run Diagnostics --> Other Devices -->
IBM Fan. If the test does not detect the error, run the test again.
3. If two DIMMs are...
Hardware Maintenance Manual - Page 56
... password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error.
2. Security chip. 3. Remove one specified in IBM BIOS Setup Utility.
0230 Shadow RAM error-Shadow RAM fails at offset nnnn.
1. Load Setup Defaults in CMOS. System board.
0231 System RAM error-System RAM fails at offset nnnn. System board.
50 ThinkPad...
Hardware Maintenance Manual - Page 57
Reset the password by running IBM BIOS Setup Utility.
1. Replace the backup battery. 3. ThinkPad T20, T21, T22 and T23 series 51 DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date.
2. System board. I/O card.
1. DIMM. 2. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time...
Hardware Maintenance Manual - Page 59
...Screen expansion function. appears.
External CRT. 4. See "Numeric error codes" on password prompt appears.
Type the password and press Enter.
The hard-disk password prompt A hard-disk password is set. Start the ThinkPad Configuration program and set .
DIMM. 2. System board.
ThinkPad T20, T21, T22 and T23 series 53 Beep symptoms
Symptom-to-FRU index
Symptom or error...
Hardware Maintenance Manual - Page 146
... 2 Power switch 3 Battery, standby mode, and Ultrabay status
indicators 4 Bay latch 5 Eject button 6 Ultrabay 2000 device
Note: The Ultrabay 2000 accepts storage devices, such as a DVD drive or a CD-ROM drive.
7 TrackPoint pointing stick 8 TrackPoint buttons 9 ThinkPad button 10 Volume and mute buttons
1 10
2 9
3
8 7
4 5 6
140 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual - Page 152
...T23 (Memory: 128 MB)
(**): Memory 256 MB
2647-5Mx, 9Mx Tual CD1.2 RW
Modem 14.1-in. 48 GB SXGA+
2647-5Nx, 9Nx, HNx, NNx *2
2647-5Fx, 9Fx, DFx *2
2647-5Dx, 9Dx *2
2647-5Hx, 9Hx *2
2647-5Jx, 9Jx *2
DVDROM (8x)
DVD... III processor xxx GHz
(MHz)-M v *1: no EDC feature, *2: featuring Secure chip
146 ThinkPad T20, T21, T22, T23 (MT 2647/2648) SXGA+
14.1-in . SXGA+ with antenna
2647-5Ux, 9Ux *2 ...
Hardware Maintenance Manual - Page 155
...-ROM drive (LG), low power OP
27L4301*
Ultrabay 2000 DVD drive 6x (MKE) OP
05K9188*
Ultrabay 2000 DVD drive 6x (TOSHIBA) OP 05K9160*
Ultrabay 2000 DVD drive 8x (MKE) OP
27L4241*
Ultrabay 2000 DVD drive 8x (HITACHI) OP 27L4236*
for other optional Ultrabay ... (PC100) OP
20L0265*
for other optional DIMM, see "Optional FRUs" on page 170.
(continued)
ThinkPad T20, T21, T22 and T23 series 149
Hardware Maintenance Manual - Page 160
...list
No. FRU
P/N
7 Base cover for 2648 wireless (T23)
for models xNx, xSx, except xNC, xNK, ...OP
27L4231*
Ultrabay 2000 CD-RW drive (TEAC) OP
27L4297*
Ultrabay 2000 DVD/CD-RW combo drive (TOSHIBA) OP
27L4249*
Ultrabay 2000 DVD/CD-RW combo drive (KME) OP
27L4359*
for other optional Ultrabay 2000 ...*
11 Backup battery
02K6572
(continued) 154 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual - Page 176
...) (TOSHIBA) Ultrabay 2000 DVD-ROM drive (8x) (MKE) Ultrabay 2000 DVD-ROM drive (8x) (HITACHI) Ultrabay Plus device carrier
Ultrabay Plus numeric keypad Ultrabay Plus cradle for WorkPad c500 series
P/N 33L3070* 19K4651* 19K4657* 08K9606* 08K9607* 27L4141* 27L3973* 05K9188* 05K9160* 27L4241* 27L4236* 26P9388* 19K2056* 26P9389*
(continued)
170 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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