Service manual

Self-Tests 87
Controller
Status
Code Status Description
A4 Error: ISR not hit following bus free
A6 Error: Interrupt request (int_req<sc>) not cleared following ISR
after bus free
A8 Error: SCSI’s status<intreq> not set following bus free
AA Error: Multiple interrupts from bus free
AC Error: Unknown interrupt from bus free
AE Error: Wrong interrupt from bus free
B0 Error: Bus busy during interrupt test so we cannot test
interrupts
B2 Error: Timeout waiting for parity interrupt
B4 Error: ISR not hit following parity
B6 Error: Interrupt request (int_req<sc>) not cleared following ISR
after parity
B8 Error: SCSI’s status<intreq> not set following parity
BA Error: Multiple interrupts from parity
BC Error: Unknown interrupt from parity
BE Error: Wrong interrupt from parity
C0 Error: Phase not ’bus free’ before arbitration
C2 Error: ini_cmd<aip> bit failed to set
C4 Error: Lost arbitration (first check of ini_cmd<la>)
C6 Error: Higher priority device on bus
C8 Error: Lost arbitration (second check of ini_cmd<la>)
D0 Error: Not all selected targets tested OK (basically the same as
flag 2)