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Product Manual - Hawk 2 Family SCSI-2 (Volume 1), Rev. B
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5.2.2
Format drive command execution time (minutes) [1]
Maximum (with verify)
Maximum (no verify)
*[ ] All notes are listed in Section 5.3.1.
5.2.3
Read data command execution time [4]
(512 byte sector size, without disconnect and with read look ahead cache disabled). latency
time is included.
a. From CDB reception to the drive request for the first data byte to be transferred to the Host
1. Typical (Zero Stroke Seek)
2. Typical (Average Seek)
3. Maximum (Full Stroke Seek)
b. Single Sector Read and Transfer of data to Host (time from receipt of last byte of the CDB to the request for
a status byte transfer to Host) [7].
1. Typical (Zero Stroke Seek)
2. Typical (Average Seek)
3. Maximum (Full Stroke Seek)
5.2.4
Write data command execution time [4]
(512 byte sector size, without disconnect and with read look ahead disabled) latency time
is included.
a. From CDB reception to the request for the first byte of write data from the Host.
1. Typical 1.49 ms
b. Single Sector Write and Data Transfer from Host [7] [6]
(Time from receipt of the last byte of the CDB to the request for a completion status transfer to the Host)
1. Typical (Zero Stroke Seek)
2. Typical (Average Seek)
3. Maximum (Full Stroke Seek)
*[ ] All notes are listed in Section 5.3.1.
ST12400N/ND/NC
45 Min.
31 Min.
7.32 ms [3]*
16.84 ms [3]
31.38 ms [2]
7.42 ms [3]
16.95 ms [3]
31.49 ms [2]
2. Maximum
1.61 ms
7.72 ms [3]
17.10 ms [3]
31.93 ms [2]
ST11900N/ND/NC
37 Min
27 Min.
9
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