IBM Token-Ring Network PC Adapter Hardware Maintenance And Service page 87

ERROR-PRIMARY IBM TOKEN-RING NETWORK
PC ADAPTER 166XX S
ERROR-ALTERNATE IBM TOKEN-RING NETWORK
PC ADAPTER 167XX S
Meaning:
Error
Codes:
Action:
3-50
The Advanced Diagnostics program has
detected a problem with either the primary
or alternate adapter. To determine the
cause of the failure, see the error codes
below:
FO- Invalid testing mode requested
Fl- Primary or alternate adapter not
present
F2- Adapter Support Interface code not
found
F3- Diskette read error
F4- Incompatible Adapter Support
Interface code
EO- Adapter Card Test failure
DO- Open Phase Test failure
CO- Personal Computer problem
AO- Transmit/Receive Test failure
7F- Faulty adapter cable detected
7E- Faulty adapter card detected
7D- Faulty lobe detected
Refer to the explanation for the message
that follows this one on the screen.