Advertisement
File No.
960-010
3.16
HARD DISK TEST DETAIL STATUS
When an error occurs on the hard disk test, the following message
will appear.
HDC status
=
XXXXXXXX
Detailed status of the hard disk test error is shown on the
screen by eight-unit number. The first XXXX is error status and
the last XXXX is not used.
Error status is composed of 2 bytes; the first byte shows the
contents of the HDC status register in hexadecimal form and the
other the error register of the HDC.
These contents are described in the table 3-4 and 3-5.
Table 3-4 HDC status register contents
Bit
Name
Description
7
BSY
"0"
· ..
HDC is busy.
(busy)
"1"
· ..
HDC is ready.
6
DRDY
"0"
· ..
Hard disk drive is not
(drive ready)
ready to accept any command.
"1"
· ..
Hard disk drive is readY.
5
DWF
"0"
· ..
DWF error is not detected.
(drive write fault)
"1"
· ..
Write fault condition
occurs.
4
DSC
"0"
· ..
The head disk drive leads
(drive seek complete)
are not settled over a
track.
"1"
· ..
The hard disk drive heads
are settled over a track.
3
DRQ
"0"
· ..
Drive is not ready to
(data request)
transfer data.
"1"
· ..
Drive is ready for data
transfer.
2
CORR
"0"
· ..
Otherwise
(corrected data)
"1"
· ..
Correctable data error is
corrected.
1
IDX
"0"
· ..
Otherwise
(index)
"1"
·
..
Index is sensed.
0
ERR
"0"
· ..
Otherwise
(error)
"1"
· ..
The previous command was
terminated with some error.
3-29
Advertisement
