Toshiba Portege 2000 Maintenance Manual page 128

3 Tests and Diagnostics
Subtest 02 DOREMI
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 LOOPBACK test
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 test
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)
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To finish the Sound/LAN/Modem Test the computer power should be off.
3-38
Scorpio Modem Initialize
Digital Loopback Test
Modem Sound Test
External Loopback test
RJ11 Connector Test (LED)
3.15 Sound/LAN/Modem Test
Portege 2000 Maintenance Manual (960-333)