Byte 25 Esdi Status Byte Contents; Bytes 26, 27 Scsi Status Bytes Contents - HP 3000 Series Handbook

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Table 5-51. Byte 25 ESDI Status Byte Contents
Bit Description
7
Spindle Motor Stopped
I
6 Command Data Parity Fault
I
5
Interface Fault
4
I
Invalid Command Fault
3 Seek Fault
2 Write Gate with Track Offset Fault
1 DERROR Status Available; SCSI-2=byte 24
0
Write Fault
Table 5-52. Bytes 26, 27 SCSI Status Bytes Contents
Bit Description
Byte 26: SCSI-2
7
BPF: Buffer parity fault
6 UOF: PHLEA FIFO underflow/overflow
5
SNR: Status not read
I
4
DNC: Data not complete
3 ATN: ESDI/ device attention
2
SNC: Status not complete
1 CTO: Command Timeout
0
EOS: End of sector
Byte 27: SCSI-2
7
SIL: Error would have been silent
6 DE3: Data ECC3 error
5
DEl: Data ECC1 error
4 HEl: Header ECC1 error
3 DSF: Data sync fault
2 HSF: Header sync fault
1 HTC: Header track miscompare
0 HSC: Header sector miscompare
Troubleshooting 5-59