Hardware Maintenance Manual
Page 34
...for the HDP: User only and Master + User. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Hard-disk password: There are two modes for access to remove the power-on password To remove a ... service procedure to system configuration settings. the system administrator enters both in the IBM BIOS Setup Utility. How to the hard-disk drive. It it has, it can use it to get... be entered before an operating system can be made available to the servicer, there is available, IBM does not provide any services to reset either the user or the master HDP, or to recover...
...for the HDP: User only and Master + User. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Hard-disk password: There are two modes for access to remove the power-on password To remove a ... service procedure to system configuration settings. the system administrator enters both in the IBM BIOS Setup Utility. How to the hard-disk drive. It it has, it can use it to get... be entered before an operating system can be made available to the servicer, there is available, IBM does not provide any services to reset either the user or the master HDP, or to recover...
Hardware Maintenance Manual
Page 36
...computer enters standby mode, the following events occur in addition to what occurs in screen blank mode: v The LCD is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . v The hard-disk drive motor stops. 3. To end screen blank mode and resume ... with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. 30 ThinkPad A20m/p, A21m/p, A22m/p To enter standby mode, press Fn + F4. Power management Related service information To reduce power consumption, the computer has three power management modes...
...computer enters standby mode, the following events occur in addition to what occurs in screen blank mode: v The LCD is called suspend mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . v The hard-disk drive motor stops. 3. To end screen blank mode and resume ... with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. 30 ThinkPad A20m/p, A21m/p, A22m/p To enter standby mode, press Fn + F4. Power management Related service information To reduce power consumption, the computer has three power management modes...
Hardware Maintenance Manual
Page 56
...Defaults in CMOS. Extended RAM failure at offset nnnn. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility. 3. password. 0194 Enter the supervisor The computer has been carried password. ...working. 1. The password is cleared. System board. (continued) 50 ThinkPad A20m/p, A21m/p, A22m/p Battery pack. 0193 Enter the supervisor RF antenna has been removed. Reset the password by running IBM BIOS Setup Utility. 0260 System timer error. 1. System board. 021x Stuck key - Run interactive...
...Defaults in CMOS. Extended RAM failure at offset nnnn. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility. 3. password. 0194 Enter the supervisor The computer has been carried password. ...working. 1. The password is cleared. System board. (continued) 50 ThinkPad A20m/p, A21m/p, A22m/p Battery pack. 0193 Enter the supervisor RF antenna has been removed. Reset the password by running IBM BIOS Setup Utility. 0260 System timer error. 1. System board. 021x Stuck key - Run interactive...
Hardware Maintenance Manual
Page 57
...DIMM. 2. Symptom or error 0270 Real-time clock error. 0271 Date and time error - Replace the backup battery. 3. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index FRU or action, in sequence 1. System board. Load Setup Defaults in the computer. 02B2 Incorrect drive A type. 02F4 EISA ...DIMM test failure. 02F6 Software NMI failure. 02F7 Fail-safe timer NMI failure. DIMM. 2. Neither the date nor the time is set in IBM BIOS Setup Utility. 2. ThinkPad A20m/p, A21m/p and A22m/p 51 System board. Run IBM BIOS Setup Utility to reset the time and date. 1. System board. 1.
...DIMM. 2. Symptom or error 0270 Real-time clock error. 0271 Date and time error - Replace the backup battery. 3. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index FRU or action, in sequence 1. System board. Load Setup Defaults in the computer. 02B2 Incorrect drive A type. 02F4 EISA ...DIMM test failure. 02F6 Software NMI failure. 02F7 Fail-safe timer NMI failure. DIMM. 2. Neither the date nor the time is set in IBM BIOS Setup Utility. 2. ThinkPad A20m/p, A21m/p and A22m/p 51 System board. Run IBM BIOS Setup Utility to reset the time and date. 1. System board. 1.
Hardware Maintenance Manual
Page 58
... hibernation file. Operating system not found. DIMM. 2. Allocation error for device. Backup battery. 3. Backup battery. 3. System board. 1. Fan. 52 ThinkPad A20m/p, A21m/p, A22m/p Fan error. Load Setup Defaults in IBM BIOS Setup Utility. 2. DIMM. 2. Backup battery. 3. Failing bits: nnnn. Invalid system configuration data. Hibernation error. System board. 1. System board. 1. System board. 1. Load Setup...
... hibernation file. Operating system not found. DIMM. 2. Allocation error for device. Backup battery. 3. Backup battery. 3. System board. 1. Fan. 52 ThinkPad A20m/p, A21m/p, A22m/p Fan error. Load Setup Defaults in IBM BIOS Setup Utility. 2. DIMM. 2. Backup battery. 3. Failing bits: nnnn. Invalid system configuration data. Hibernation error. System board. 1. System board. 1. System board. 1. Load Setup...
Hardware Maintenance Manual
Page 59
...during POST. No beep, power-on indicator on page 49. 1. The hard-disk password prompt. Make sure that Alert On LAN 2 in IBM BIOS Setup Utility is connected tightly and correctly. 2. Start the ThinkPad Configuration program and set . Two short beeps with blank screen. Two or more.... FRU or action, in sequence 1. POST error. A hard-disk password is set the Screen expansion function. LCD assembly. 3. ThinkPad A20m/p, A21m/p and A22m/p 53 One long and two short beeps, and a blank or unreadable LCD. DIMM. Reseat DIMM. 2. LCD assembly. 3. DIMM. External CRT. 4. System...
...during POST. No beep, power-on indicator on page 49. 1. The hard-disk password prompt. Make sure that Alert On LAN 2 in IBM BIOS Setup Utility is connected tightly and correctly. 2. Start the ThinkPad Configuration program and set . Two short beeps with blank screen. Two or more.... FRU or action, in sequence 1. POST error. A hard-disk password is set the Screen expansion function. LCD assembly. 3. ThinkPad A20m/p, A21m/p and A22m/p 53 One long and two short beeps, and a blank or unreadable LCD. DIMM. Reseat DIMM. 2. LCD assembly. 3. DIMM. External CRT. 4. System...