Sony VAIO PCG-F370 Service Manual page 21

2. The ordinary DOS prompt "A:\>" appears. Input "G:[Enter]".
Then remove the FDD and insert the battery 2 instead of the FDD.
3. The prompt "G:\>PRG" appears and the active drive is changed. Input "CD \FD" to change directory.
4. When the prompt "G:\FD>" appears, input the command "BATT2".
5. The battery 2 test starts. Execute the battery 2 test by following the instructions that are displayed.
6. Remove the battery 2 from the bay and insert the FDD that is removed in step 2.
7. When the test is complete, the prompt returns to "G:\FD>". Input "A:" to change the drive.
8. Input "AUTOEXEC" to return to the main menu.
(3) Fan test
This tests the fan.
5. CD ROM test
Tests the CD-ROM.
6. FDD test
Tests the FDD. Note that the diagnostics floppy disk can be damaged when this test ends in fail.
7. HDD test
Tests the HDD.
8. Touch pad test
Tests the touch pad. Start pressing the keyboard surely from an end of a keyboard.
The Fn key is disabled. Press "Fn+End" instead.
9. LED test
Check that the LEDs start illuminating from the left of the LEDs.
10. Main memory test
Tests the memory.
11. Main system test
Tests the entire system including CPU, MATH and DMA.
12. Mouse test
Tests the mouse. Move the cursor inside the white square mark (
instruction displayed.
13. Parallel loopback test
Tests the parallel (printer) port. The jig is necessary.
Connect the jig to the parallel port.
14. PC Card test
Tests the PC card. The PC card tester jig is necessary. Insert and remove the PC card tester in accordance with instruction
displayed.
PCG-F370/F390 (UC)
) and operate the system in accordance with
2-6