M-Audio Biport 2x4s [20/48] Internal hardware test

Test Results for Mac or PC

Below are brief descriptions of each test phase:

1. Internal Hardware Test

This test verifies the BiPort-to-host connection. If the connection is

working properly, the test will display “PASS” and return the BiPort’s

internal firmware revision number. Write this revision number down in

case you ever need to contact Midiman Tech Support.

If your BiPort fails this test, it could mean a bad BiPort or other hard-

ware failure, but most often it means one of a few very specific things:

• You have selected the incorrect port settings in the diagnostic pro-

gram.

• BiPort power is not properly connected.

• Your serial cable is not compatible or is defective.

• Your computer’s serial port is configured incorrectly, is defective or

disabled. There may be an infrared function available for the serial

port, and it is enabled. You should disable the infrared function via

the BIOS CMOS Setup of your computer’s motherboard

2. Internal Buffers Test

This test verifies the BiPort-to-host connection, as well as the BiPort’s

internal MIDI data buffers. If it fails, it most often is due to one or more

of the following:

• Your serial cable is not compatible or is defective.

• Your computer’s serial port is configured incorrectly, is defective or

disabled. There may be an infrared function available for the serial

port, and it is enabled. You should disable the infrared function via

the BIOS CMOS Setup of your computer’s motherboard

• The BiPort is defective. This is extremely rare as the BiPort units are

tested rigorously at the factory before shipping. If you think this is

the case, please contact MIDIMAN Technical Support.

3. Transmit/Receive Test

This test verifies the BiPort’s ability to transmit and receive MIDI data

on its ports. If it fails, it most often is due to one or more of the follow-

ing: