Hardware Maintenance Manual
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... not have them. otherwise, it , use the audio device test in the Other Devices in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is needed to the ThinkPad. v Video Adapter test supports only the LCD display on page 49. v To test ZIP Drive ... v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ZIP Drive v LS-120/240 Drive v Communication v Wireless LAN(*) v Memory Test - A pull-down for some models. Before running PC-Doctor DOS, detach the external Monitor.
... not have them. otherwise, it , use the audio device test in the Other Devices in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is needed to the ThinkPad. v Video Adapter test supports only the LCD display on page 49. v To test ZIP Drive ... v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ZIP Drive v LS-120/240 Drive v Communication v Wireless LAN(*) v Memory Test - A pull-down for some models. Before running PC-Doctor DOS, detach the external Monitor.
Hardware Maintenance Manual
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...exit the test, select Quit - Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA... v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive 34 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If there is a problem, PC-Doctor shows messages describing it. 6. All Rights Reserved. Run the applicable function test. 5....
...exit the test, select Quit - Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA... v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive 34 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If there is a problem, PC-Doctor shows messages describing it. 6. All Rights Reserved. Run the applicable function test. 5....
Hardware Maintenance Manual
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...on page 46 v "Fn key combinations" on page 48 Specifications The following table lists the specifications of the ThinkPad T20, T21, T22 and T23 series : Feature Processor Bus architecture Memory (standard) Description T20 v Mobile Intel® Pentium® III processor 650 MHz v Mobile Intel®...1.0 GHz-M v Mobile Intel® Pentium® III processor 1.13 GHz-M v Mobile Intel® Pentium® III processor 1.2 GHz-M PCI Bus T20, T21, T22 v 128 MB (PC100) (on the system board) T23 v 128 MB (PC133) (on the system board) v 256 MB (PC133) (on the system board) (continued) ThinkPad T20...
...on page 46 v "Fn key combinations" on page 48 Specifications The following table lists the specifications of the ThinkPad T20, T21, T22 and T23 series : Feature Processor Bus architecture Memory (standard) Description T20 v Mobile Intel® Pentium® III processor 650 MHz v Mobile Intel®...1.0 GHz-M v Mobile Intel® Pentium® III processor 1.13 GHz-M v Mobile Intel® Pentium® III processor 1.2 GHz-M PCI Bus T20, T21, T22 v 128 MB (PC100) (on the system board) T23 v 128 MB (PC133) (on the system board) v 256 MB (PC133) (on the system board) (continued) ThinkPad T20...
Hardware Maintenance Manual
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...Memory (optional) Description T20, T21, T22 v 64 MB, 128 MB, or 256 MB DIMM card (maximum of 512 MB) CMOS RAM Display T23 v 64 MB, 128 MB, 256 MB, or 512 MB DIMM card (maximum of 1024 MB) 242 bytes T20 v 13... resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD T21, T22, T23 v 13.3-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×...bus (USB) connector for T20, T21, and T22 series v Two USB connectors for T23 v RJ11 v RJ45 (covered) v TV-out (continued) 42 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
...Memory (optional) Description T20, T21, T22 v 64 MB, 128 MB, or 256 MB DIMM card (maximum of 512 MB) CMOS RAM Display T23 v 64 MB, 128 MB, 256 MB, or 512 MB DIMM card (maximum of 1024 MB) 242 bytes T20 v 13... resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD T21, T22, T23 v 13.3-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×...bus (USB) connector for T20, T21, and T22 series v Two USB connectors for T23 v RJ11 v RJ45 (covered) v TV-out (continued) 42 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual
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...air turbulence at the louver near the power switch. 2. Run Diagnostics --> Other Devices --> IBM Fan. Interactive Tests --> Diskette CD-ROM, DVD, 1. Full. ThinkPad T20, T21, T22 and T23 series 47 Diagnostics --> Other Devices --> CD-RW or CD-ROM/DVD CD-RW/DVD combo...DIMM to its place, remove the other one of them and run Diagnostics --> Memory Test - Interactive Tests --> CD-ROM/DVD Test Memory 1. Quick. 2. If two DIMMs are installed, remove one , and run Diagnostics --> Memory Test - Fan 1. Product overview FRU Applicable test Diskette drive 1. Diagnostics -->...
...air turbulence at the louver near the power switch. 2. Run Diagnostics --> Other Devices --> IBM Fan. Interactive Tests --> Diskette CD-ROM, DVD, 1. Full. ThinkPad T20, T21, T22 and T23 series 47 Diagnostics --> Other Devices --> CD-RW or CD-ROM/DVD CD-RW/DVD combo...DIMM to its place, remove the other one of them and run Diagnostics --> Memory Test - Interactive Tests --> CD-ROM/DVD Test Memory 1. Quick. 2. If two DIMMs are installed, remove one , and run Diagnostics --> Memory Test - Fan 1. Product overview FRU Applicable test Diskette drive 1. Diagnostics -->...
Hardware Maintenance Manual
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...Setup Utility. 2. Load "Setup Defaults" in sequence 1. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Operating system not found. System board. 1. System ...board. 1. System board. 1. Fan. Failing bits: nnnn. Backup battery. 3. Check that the operating system has no failure and is installed correctly. 2. Diskette drive. 6. If memory ...
...Setup Utility. 2. Load "Setup Defaults" in sequence 1. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Operating system not found. System board. 1. System ...board. 1. System board. 1. Fan. Failing bits: nnnn. Backup battery. 3. Check that the operating system has no failure and is installed correctly. 2. Diskette drive. 6. If memory ...
Hardware Maintenance Manual
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... (3Com) Modem 13.3-in . XGA - 20 GB Combo (Intel) - - (continued) ThinkPad T20, T21, T22 and T23 series 143 Model CPU T20 (Memory: 128 MB) 2647-21x, 61x CMG 650 2647-24x, 64x 2647-A1x 2647-31x 2647-2EY 2647-32x, 72x (*) 2647-T1x (**) 2647-41x, 81x, 43x 2648-41x, 81x 2647-42x, 82x 2648-42x, 82x 2647-44x, 84x 2648-44x, 84x 2647-46x, 86x...
... (3Com) Modem 13.3-in . XGA - 20 GB Combo (Intel) - - (continued) ThinkPad T20, T21, T22 and T23 series 143 Model CPU T20 (Memory: 128 MB) 2647-21x, 61x CMG 650 2647-24x, 64x 2647-A1x 2647-31x 2647-2EY 2647-32x, 72x (*) 2647-T1x (**) 2647-41x, 81x, 43x 2648-41x, 81x 2647-42x, 82x 2648-42x, 82x 2647-44x, 84x 2648-44x, 84x 2647-46x, 86x...
Hardware Maintenance Manual
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... 14.1-in . XGA with antenna (continued) ThinkPad T20, T21, T22 and T23 series 145 Model CPU T23 (Memory: 128 MB) 2647-2Kx except Tual 2KC 866 2647-6Kx except xxC 2647-AKx, BAx, BJx, EKx 2647-2KC, 6KC 2647-2Rx, 6Rx Tual 1.0 2647-2Tx, 2UC, 6UC, 3RG, 7RG 2648-2Tx 2647-3TK, 7TK 2647-T4x (**) Tual 1.13 2647-4Mx, 8Mx, MMx 2648-4Mx, 8Mx...
... 14.1-in . XGA with antenna (continued) ThinkPad T20, T21, T22 and T23 series 145 Model CPU T23 (Memory: 128 MB) 2647-2Kx except Tual 2KC 866 2647-6Kx except xxC 2647-AKx, BAx, BJx, EKx 2647-2KC, 6KC 2647-2Rx, 6Rx Tual 1.0 2647-2Tx, 2UC, 6UC, 3RG, 7RG 2648-2Tx 2647-3TK, 7TK 2647-T4x (**) Tual 1.13 2647-4Mx, 8Mx, MMx 2648-4Mx, 8Mx...
Hardware Maintenance Manual
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... GHz (MHz)-M v *1: no EDC feature, *2: featuring Secure chip 146 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Parts list Model CPU Bay Mini PCI LCD device adapter HDD 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...
... GHz (MHz)-M v *1: no EDC feature, *2: featuring Secure chip 146 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Parts list Model CPU Bay Mini PCI LCD device adapter HDD 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...