Toshiba Portege M100 Maintenance Manual - Page 150

3 Tests and Diagnostics 3.20 Running Test 3.20 Running Test 3.20.1 Function Description This function automatically executes the following tests in sequence: 1. System test (subtest 01) 2. Memory test (subtests 01, 02 and 04) 3. Display test (subtest 01) 4. FDD test (subtest 02) 5. HDD test (subtests 01 and 05) 6. Real timer test (subtest 02) 7. Printer test (subtest 03) if selected The system automatically detects the number of floppy disk drives connected to the computer for the FDD test. 3.20.2 Operations CAUTION: Do not forget to load a work disk in the FDD. If a work disk is not loaded, an error will be generated during the FDD testing. 1. Remove the diagnostics disk from the floppy disk drive and insert the formatted work disk. 2. Select 6 from the Diagnostic Menu and press Enter, the following message displays: Printer wrap around test (Y/N) ? Selecting Y (yes) executes the printer wraparound test. A printer wraparound connector must be connected to the parallel port of the computer to properly execute this test. 3. Select Y or N and press Enter. The following message will appear: Serial #A wrap around test (Y/N) ? Selecting Y (yes) executes the ASYNC wraparound test. An RS-232-C wraparound connector must be connected to the serial port of the computer to properly execute this test. 3-42 PORTEGE M100 Maintenance Manual (960-452)