54
Medalist Pro Product Manual, Rev. D
9.5
Synchronous data transfer
9.5.1
Synchronous data transfer periods supported
Table 13 and Section 9.5.2 list Synchronous Data transfer periods supported by the drive. The data transfer
period to be used by the drive and the initiator is established by an exchange of messages during the Message
Phase of operation. See the section on message protocol in the
SCSI Interface Product Manual
, part number
77738479.
Table 13:
Synchronous data transfer periods for drive
Note.
[1]
Fast-20 SCSI transfer period.
[2]
Fast-40 SCSI transfer period.
9.5.2
REQ/ACK offset
The maximum value supported by the Medalist Pro family drives for REQ/ACK offset is 15 (0Fh).
N
TTD/CIOP
Y
Embedded servo
Y
512K data buffer
Y
Motor start enable
Y
Delayed motor start
Y
Write protected
Y
Immediate status on Format Unit command
Y
Format progress indication
N
Sync spindles
N
Sync spindles—rotational position offset
N
Parameter rounding
N (always strict)
Strict bit support
N
S2 bit
Y (not implemented)
Audio video recovery scheme
Y
Segmented caching (1 and 3 supported)
Y
Good
Y
Check Condition
N
Condition Met/Good
Y
Busy
N
Intermediate/Good
N
Intermediate/Condition Met/Good
Y
Reservation Conflict
Y
Queue Full
M (decimal)
Transfer period
(M times 4 nanoseconds)
12 [1]
50 [1]
25
100
50
200
10 [2]
25 [2]
Supported
Conditions or feature
Summary of Contents for ST34520N - Medalist 4.55 GB Hard Drive
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