Toshiba A100 VA3 - Satellite - Pentium Dual Core 1.6 GHz Maintenance Manual page 147

3 Tests and Diagnostics
Subtest 02 Sign wave
This subtest is executed by loading Playwave. In this subtest, the control of the
sound volume can be also tested.
Connect headphones and make sure the sound (musical scale: do, re, mi, fa, so, la,
si, do) is come out from the right and left headphones.
Subtest 03 LAN
This subtest checks the operation of mini-PCI I/F by the loopback in the chip.
The large "OK" is displayed if no error occurred.
Subtest 04 MODEM
For this subtest, connect the modem PCB and RJ11 connector with a harness. This
subtest contains the following tests. They are tested with the dedicated "FAT-
MODE inspection device (Product Code QE2000P01 made by Nittou Denki
Seisakusyo).
To finish the Sound/LAN/Modem Test the computer power should be off.
3-46
Scorpio Modem Initialize
Digital Loopback Test
Modem Sound Test
External Loopback test
RJ11 Connector Test (LED)
3.17 Sound/LAN/Modem Test
PORTEGE A100 Maintenance Manual (960-460)