Barracuda 18LP Family: ST39175LW/LC ST318275LW ... - Seagate
Barracuda 18LP Family: ST39175LW/LC ST318275LW ... - Seagate
Barracuda 18LP Family: ST39175LW/LC ST318275LW ... - Seagate
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50 <strong>Barracuda</strong> <strong>18LP</strong> Product Manual, Rev. E<br />
9.4 SCSI bus conditions and miscellaneous features supported<br />
Asynchronous SCSI bus conditions supported by the drive are listed below. These conditions cause the SCSI<br />
device to perform certain actions and can alter the SCSI bus phase sequence. Other miscellaneous operating<br />
features supported are also listed here. Refer to the SCSI Interface Product Manual, part number 77738479,<br />
for details.<br />
Table 10:<br />
SCSI bus conditions and other miscellaneous features<br />
Supported<br />
Conditions or feature<br />
Y<br />
68 and 80 pin interface connectors<br />
Y<br />
1 Mbyte data buffer<br />
N<br />
Active termination disabled via jumper<br />
Y<br />
Terminator power from drive power connector and to SCSI bus option<br />
Y<br />
Terminator power from drive power connector option<br />
Y<br />
Terminator power from SCSI bus pin 26 option<br />
Y Terminator power from SCSI I/O cable pin 26<br />
N<br />
Active termination enabled<br />
N<br />
Adaptive caching<br />
Y<br />
Adaptive read look-ahead<br />
Y<br />
Arbitrating system<br />
Y<br />
ASYNC burst rate of 5 Mbytes/sec.—single-ended<br />
Y<br />
Asynchronous data transfer<br />
N<br />
Asynchronous event notification<br />
Y<br />
Attention condition<br />
Y (not implemented) Audio video recovery scheme<br />
N<br />
Automatic adaptive cache (customer unique option)<br />
Y<br />
Capacity programming<br />
Y<br />
Command overhead less than 500 USEC, typ.<br />
Y<br />
Contingent allegiance condition<br />
Y<br />
Deferred error handling<br />
Y<br />
Delayed motor start<br />
Y<br />
Differential interface circuits available<br />
Y<br />
Disconnect/reconnect<br />
Y<br />
Embedded servo<br />
Y<br />
Fast SCSI, 10 Mbytes/sec.<br />
Y<br />
Firmware downloadable via SCSI interface<br />
Y<br />
Flag and link bits in control byte supported<br />
Y<br />
Format progress indication<br />
Y<br />
Full automatic read and write reallocation<br />
Y<br />
Hot plugging, with bus active<br />
Y<br />
Immediate status on Format Unit command<br />
Y<br />
Immediate status on Start/Stop command<br />
Y<br />
Immediate status on Synchronize cache<br />
Y<br />
Linked commands—customer unique options<br />
Y<br />
Low voltage differential SCSI<br />
Y<br />
Motor start enable<br />
Y<br />
Multi-initiator<br />
Y<br />
Multi-mode drivers/receivers (single-ended/differential)<br />
Y<br />
Parameter rounding