Toshiba Portege M100 Maintenance Manual - Page 190

Enter, Sound/LAN/Modem Test Program, Tests and Diagnostics

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3.27 Sound/LAN/Modem Test Program 3 Tests and Diagnostics Subtest 02 Sign Wave This subtest is executed by loading the COM file (ADSIN.COM). The program expands sign wave data table from 16KB to 64KB, and creates the play data. Then it transfers the data between the DMA and the CODEC to play the sign wave. (It sounds like a continuous beep). By using wave measuring devices such as an oscilloscope, the data can be measured as a sign wave. When the subtest is executed, the following message appears. [Sign wave test !] Sign wave is expanded from 16KB to 64KB data and is played. NOTE: The menu displayed by your computer may be slightly different from the one shown above. Subtest 03 LAN This subtest checks the operation of mini-PCI I/F by the loopback in the chip . Select 3 to execute and press Enter. The following message will appear: [LAN transmit & receive test !] COMPLETED Repeat count = Error count = LOOPBACK TEST 100Mbps Auto-negotiation TxRx Test Destination Address = xxxxxxxxxxxx Source Address = xxxxxxxxxxxx ** 100Base-TX Full-Duplex ** < TRANSMIT > < RECEIVE > 00000 00000 PORTEGE M100 Maintenance Manual (960-452) 3-81

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3.27
Sound/LAN/Modem Test Program
3
Tests and Diagnostics
PORTEGE M100 Maintenance Manual (960-452)
3-81
Subtest 02
Sign Wave
This subtest is executed by loading the COM file (ADSIN.COM). The program
expands sign wave data table from 16KB to 64KB, and creates the play data. Then
it transfers the data between the DMA and the CODEC to play the sign wave. (It
sounds like a continuous beep). By using wave measuring devices such as an
oscilloscope, the data can be measured as a sign wave.
When the subtest is executed, the following message appears.
[Sign wave test !]
Sign wave is expanded from 16KB to 64KB data and is played.
NOTE
: The menu displayed by your computer may be slightly different from the one
shown above.
Subtest 03
LAN
This subtest checks the operation of mini-PCI I/F by the loopback in the chip.
Select
3
to execute and press
Enter
. The following message will appear:
[LAN transmit & receive test !]
COMPLETED Repeat count =
00000
Error count =
00000
LOOPBACK TEST
100Mbps Auto-negotiation TxRx Test
Destination Address = xxxxxxxxxxxx
Source Address = xxxxxxxxxxxx
** 100Base-TX Full-Duplex **
< TRANSMIT >
< RECEIVE >