Hardware Maintenance Manual
Page 30
Related service information v The system status, RAM, VRAM, and setup data are satisfied in the boot record on , the computer leaves hibernation mode and resumes operation. v The power switch is turned off . v ... Card is powered off and the mode is set to enter hibernation mode when the hibernation file is restored from the hard-disk drive. 26 ThinkPad A21e When the power is turned on the hard-disk drive is read, and system status is created: v The Fn + F12 keys are pressed. The hibernation...
Related service information v The system status, RAM, VRAM, and setup data are satisfied in the boot record on , the computer leaves hibernation mode and resumes operation. v The power switch is turned off . v ... Card is powered off and the mode is set to enter hibernation mode when the hibernation file is restored from the hard-disk drive. 26 ThinkPad A21e When the power is turned on the hard-disk drive is read, and system status is created: v The Fn + F12 keys are pressed. The hibernation...
Hardware Maintenance Manual
Page 39
... 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,...
... 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 46
...backup battery and run IBM BIOS Setup Utility to reset the time and date. 0252 Password checksum bad - System board. 0270 Real-time clock error. 1. Neither the date nor the time is cleared. Symptom-to reset the time and date. (continued) 42 ThinkPad A21e Run interactive tests ...of the keyboard and the auxiliary input device. 0220 Monitor type error - System board. 0231 System RAM failure at offset nnnn. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and ...
...backup battery and run IBM BIOS Setup Utility to reset the time and date. 0252 Password checksum bad - System board. 0270 Real-time clock error. 1. Neither the date nor the time is cleared. Symptom-to reset the time and date. (continued) 42 ThinkPad A21e Run interactive tests ...of the keyboard and the auxiliary input device. 0220 Monitor type error - System board. 0231 System RAM failure at offset nnnn. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and ...