Digital Equipment VAXstation 3100 Maintenance Manual page 242

Power-Up and Self-Test Error Codes 221
Table E-16 (Cont.) SCSI Controller's Error Codes (0000.00ZZ)
Error Codes Deftnltlon
4A Mode (DMA) found set after being cleared when ini_cmd(bsy) clear.
4C Mode (DMA) found set after being set when ini_cmd(bsy) clear.
4E Mode (DMA) found set after being cleared when ini_cmd(bsy) set.
SO Mode (DMA) found clear after being set when ini_cmd(bsy) set.
60 Data output to bus with ini_cmd(enout) clear
62 No data to bus with ini_cmd(enout) set
64 Parity bit cur_stat(dbp) did not match data on bus.
66 With bus free, data in did not match data out.
68 ini_cmd(sel) to cur_stat(sel) mismatch
6A ini_cmd(ack) to status(ack) or ini_cmd(atn) to status(atn) mismatch
6C Tar_cmd(req) to cur_stat(req) or tar_cmd(msg) to cur_stat(msg) or
tar_cmd(cd) to cur_stat(cd) or tar_cmd(io) to cur_stat(io) mismatch
with mode(targ) set
6E Clearing mode(targ) does not prevent tar_cmd bits from appearing
on the bus.
70 ISR hit with IPL= IF and int_msk(sc) clear
72 Interrupt request int_req(sc) set for no reason.
74 SCSI bus status(intreq) set for no reason.
80 SCSI bus busy at start
if
interrupt test - no test done
82 ISR hit following bus free with IPL= IF
and
int_msk(sc) clear
84 Interrupt request int_req(sc) not set following bus free
86 SCSI bus status(intreq) not set following bus free.
88 Status(bsyerr) not set after it caused an interrupt.
90 SCSI bus busy during interrupt test - no test done
92 ISR hit following bus free with IPL= IF and int_msk(sc) set
94 Interrupt request int_req(sc) not set following bus free.
96 SCSI bus status(intreq) not set following bus free.
98 Status(bsyerr) not set following bus free.
AO SCSI bus busy during interrupt test - no test done