Hardware Maintenance Manual for 770 series notebooks(January 1999)


Page 59
... System board (infrared) Set the password for the hard disk drive. 1. System board 1. System board 1. System board ThinkPad 770, 770E, 770X and 770Z 53 FRU / Action in the error screen; Backup battery 3. System board 1. Check device configuration. 2. Detach the expansion unit if it is not functional. ...111 (I/O parity.) 11XX 1101: Serial_A test failure. 12XX 1201: Serial_B test failure. 158 (The hard disk password was lost.) 174 (Configuration error: Perform"Checking the Installed Devices List" on page 38. 2. Communication cable 3. Set time and date. 2. System board 1. ...