Hardware Maintenance Manual
Page 32
... v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v Communication v Memory Test - A pull-down for at least 2 seconds; Each key should be sensed. Run the applicable function test. 5. Exit Diag. 28 ThinkPad A21e The main panel of PC-Doctor appears. 3. If there is scanned only once. ...Select Diagnostics with the arrow keys, and press Enter. Full v Memory Test - otherwise, it . 6. Before running PC-Doctor DOS, detach...
... v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v Communication v Memory Test - A pull-down for at least 2 seconds; Each key should be sensed. Run the applicable function test. 5. Exit Diag. 28 ThinkPad A21e The main panel of PC-Doctor appears. 3. If there is scanned only once. ...Select Diagnostics with the arrow keys, and press Enter. Full v Memory Test - otherwise, it . 6. Before running PC-Doctor DOS, detach...
Hardware Maintenance Manual
Page 39
...The following table lists the specifications of the ThinkPad A21e series: Feature Processor Bus architecture Memory (standard) Memory (optional) CMOS RAM Display Diskette drive Hard-disk drive I/O port Internal modem Audio PC Card AC adapter Bay device Description Intel® Celeron® processor 600 MHz, L2 128-KB cache PCI Bus 64... MB (SO DIMM x 1) 64 MB or 128 MB DIMM card (maximum of 256 MB) 114 bytes v 12.1-inch, 16M colors, SVGA (800×600 resolution) TFT color LCD v 14.1-inch...
...The following table lists the specifications of the ThinkPad A21e series: Feature Processor Bus architecture Memory (standard) Memory (optional) CMOS RAM Display Diskette drive Hard-disk drive I/O port Internal modem Audio PC Card AC adapter Bay device Description Intel® Celeron® processor 600 MHz, L2 128-KB cache PCI Bus 64... MB (SO DIMM x 1) 64 MB or 128 MB DIMM card (maximum of 256 MB) 114 bytes v 12.1-inch, 16M colors, SVGA (800×600 resolution) TFT color LCD v 14.1-inch...
Hardware Maintenance Manual
Page 43
... again. 3. Run Diagnostics --> Other Devices --> IBM Fan. FRU Diskette drive CD-ROM or DVD drive Memory Fan Product overview Applicable test 1. Interactive Tests --> Diskette 1. If two DIMMs are installed, remove one , and run Diagnostics --> Memory Test - Full. 1. If the test does not detect the error, run Diagnostics --> Memory Test - ThinkPad A21e 39 Quick. 2. Diagnostics --> Diskette Drives...
... again. 3. Run Diagnostics --> Other Devices --> IBM Fan. FRU Diskette drive CD-ROM or DVD drive Memory Fan Product overview Applicable test 1. Interactive Tests --> Diskette 1. If two DIMMs are installed, remove one , and run Diagnostics --> Memory Test - Full. 1. If the test does not detect the error, run Diagnostics --> Memory Test - ThinkPad A21e 39 Quick. 2. Diagnostics --> Diskette Drives...
Hardware Maintenance Manual
Page 48
... hard-disk drive. 4. Reinstall the operating system. 5. Fan error. Shut down the computer and remove the extra memory. 44 ThinkPad A21e If memory size has been changed, re-create the hibernation file. Fan. System board. 1. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. DIMM. 2.
... hard-disk drive. 4. Reinstall the operating system. 5. Fan error. Shut down the computer and remove the extra memory. 44 ThinkPad A21e If memory size has been changed, re-create the hibernation file. Fan. System board. 1. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. DIMM. 2.