Digital Equipment VAXstation 3100 Maintenance Manual page 243

222 Power-Up and Self-Test Error Codes
Table E-16 (Cont.) SCSI Controller's Error Codes (0000.00ZZ)
Error Codes Deftnltton
A2 Tuneout waiting for bus free interrupt.
A4 ISR not hit following bus free.
A6 Interrupt request int_req(sc) not cleared following ISR after bus free.
AS SCSI bus status(intreq) not set following bus free.
AA Multiple interrupts from bus free
AC Unknown interrupt from bus free
AE Wrong interrupt from bus free
BO SCSI bus busy during interrupt test - no test done.
B2 Tuneout waiting for parity interrupt.
B4 ISR not hit following parity.
B6 Interrupt request int_req(SC) not cleared following ISR after parity.
- as-
- -scsrbus
status(intreq) not
set
ffillowing parify.
BA Multiple interrupts from parity
BC Unknown interrupt from parity
BE Wrong interrupt ffom parity
CO Phase is not bus free before arbitration.
C2 Ini_cmd(aip) bit failed to set.
C4 Lost arbitration (first check of ini_cmd(la))
C6 Higher priority device in bus
CS Lost arbitration (second check of ini_cmd(la))
DO Not all selected targets tested satisfactory.