SONY PCGA-HD740
Manual de Servicio

CHAPTER 3. SELF DIAGNOSTICS 3-1. Required Tools and Peripheral Devices
� � � � VAIO Computer (any PCG-7xx/8xx series VAIO computer) FDD Drive FDD Cable AC Adaptor

3-2. How to Start the Diagnostics
1. Insert the device to be diagnosed into the multi-purpose bay of the VAIO computer. 2. Connect an FDD drive to the VAIO computer using the parallel port. 3. Insert the diagnostics floppy disk into the FDD. 4. Turn on the main power of the VAIO computer. 5. The following checks are automatically performed: -- Model name of HDD -- Access to the entire area of the HDD by seek, write and read 6. If the diagnostics end without error (PASS), the message �Pass.� appears on the display. If the diagnostics find any errors (FAIL), the display turns red and the message �FAIL FAIL FAIL� appears. 7. The message �Press any key to shutdown� appears in both cases. Press any key and the main power of the VAIO computer is turned off automatically.

3-1 (END)

PCGA-HD740 (UC/AEP/UK)