IBM 6648 User Guide - Page 88
Table 1. POST Error Codes continued, Go to Using
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Table 1. POST Error Codes (continued) Code Description 601 Diskette drive or controller error 602 Diskette IPL boot record not valid 604 Unsupported diskette drive installed 605 Diskette unlocked problem 662 Diskette drive configuration error 762 11xx 1762 Math coprocessor configuration error Serial port error (xx = serial port number) Hard disk configuration error Action 1. Go to "IBM Enhanced Diagnostics program" on page 92 and if possible run the IBM Enhanced Diagnostics program. 2. If the problem persists, have the computer serviced. 1. The diskette might be defective. Try another diskette. 2. If the problem persists, have the computer serviced. 1. Go to "IBM Enhanced Diagnostics program" on page 92 and if possible run the IBM Enhanced Diagnostics program. 2. If the problem persists, have the computer serviced. Have the computer serviced. 1. Go to the configuration procedure and follow the instructions to verify the diskette drive configuration. 2. Run diagnostics on the diskette drive. See "IBM Enhanced Diagnostics program" on page 92. 3. If the problem persists, have the computer serviced. Have the computer serviced. Have the computer serviced. 1. Go to "Chapter 4. Using the Configuration/Setup Utility program" on page 29 and follow the instructions to verify the hard disk configuration. 2. If the problem persists, have the computer serviced. 74 User Guide
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