When you run the self test, one or more of the following messages display in the Status box on the Diagnostics tab of the BARR/CHANNEL-IN utility.
|
Message |
Description |
|
Loopback Test Passed |
The adapter passed all diagnostics, including the loopback tests. |
|
Internal Loopback Error |
An internal adapter error was detected. Verify that the adapter is correctly installed in the computer. |
|
External Loopback Error |
An external adapter error was detected. Verify that the cable and test plugs are installed correctly. |
|
Loopback Failed: Oscillator Error (0x100) |
An oscillator on the adapter is not working properly. The adapter must be replaced. |
|
Message |
Description |
|
Loopback Test Passed |
The adapter passed all diagnostics, including the loopback tests. |
|
Loopback Failed: Possible Host Attachment |
The test can run only if the CAB is isolated from the mainframe channel. Verify that the mainframe channel has been removed from service. |
|
Loopback Failed: DMA |
The bus master DMA logic is not working properly or there is a DMA conflict with some other hardware device. |
|
Loopback Failed: IRQ |
The interrupt logic on the adapter is not working properly or there is an IRQ conflict with some other hardware device. |
|
Loopback Failed: Loopback Plug Missing |
The test plugs were not detected because they are not installed or they are installed incorrectly. |
|
Loopback Failed: BUS |
The test plugs were detected, but a problem exists with one or more of the bus lines. |
|
Loopback Failed: TAG |
The test plugs were detected, but a problem exists with one or more of the tag lines. |
|
20 MHz Oscillator Error (0x31) |
An oscillator on the adapter is not working properly. The adapter must be replaced. |
|
30 MHz Oscillator Error (0x32) |
An oscillator on the adapter is not working properly. The adapter must be replaced. |
|
Message |
Description |
|
Loopback Test Passed |
The adapter passed all diagnostics, including the loopback tests. |
|
Loopback Failed: Possible Host Attachment |
The Channel Intelligence cable is still connected to the mainframe channel and the channel is active. Verify that the mainframe channel has been removed from service. |
|
Loopback Failed: DMA |
The bus master DMA logic is not working properly or there is a DMA conflict with some other hardware device. |
|
Loopback Failed: IRQ |
The interrupt logic on the adapter is not working properly or there is an IRQ conflict with some other hardware device. |
|
Loopback Failed: Loopback Plug Missing |
The test plugs were not detected because they are not installed or they are installed incorrectly. |
|
Loopback Failed: BUS |
The test plugs were detected, but a problem exists with one or more of the bus lines. |
|
Loopback Failed: TAG |
The test plugs were detected, but a problem exists with one or more of the tag lines. |
|
20 MHz Oscillator Error (0x31) |
An oscillator on the adapter is not working properly. The adapter must be replaced. |
|
30 MHz Oscillator Error (0x32) |
An oscillator on the adapter is not working properly. The adapter must be replaced. |