HP 9800 SERIES - Buffered Read Verify

Requirements for Execution:
Parallel Poll:
Buffered Read Verify
Type:
Purpose:
Description:
HP-IB Sequence:
HP 9895A Disc Memory Command Set A-37
1. 0 <= Unit <= 3
2.
DSJ<>2
3. Disc present and ready
4. Not first status bit
5.
Sector count> = 0
6. Disc of known format.
The parallel poll
response is re-enabled after the operation
is completed, normally or abnormally.
Disc read.
The buffered read verify is identical to the Buffered Read
command except that the margins for good data are re-
duced. This
command gives a high confidence that the
data on the disc is recoverable.
See Buffered Read.
Request Buffered Read Verify
ATN ATN
EOI
ATN
P
P
(Ol~DDRSI
Pll01011 P 00101
UUUU
1
P
I P0111111 I
I Secondary I
D
Opcode I
E
PrImary Unit
Unlisten
Listen
Send Data
ATN
ATN
EOI
ATN
P
P
rlO~DDRSI
I Pll00000 I
P
P
I P1011111
I
D E
PrImary
Secondary
-1 Sector~
Untalk
Talk
Status:
See Buffered Read.
Requirements for Execution:
See Buffered Read.