Product manual

50 Product Manual - Hawk 2 Family (Wide bus) SCSI-2 (Volume 1), Rev. A
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11.5 Synchronous data transfer
11.5.1 Synchronous data transfer periods supported
Table 11.5-1 and 11.5-2 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 Mes-
sage Phase of operation. See the section on message protocol in the SCSI Interface manual.*
Table 11.5-1. Synchronous data transfer periods
M (Decimal) Transfer Period (M times 4 nanoseconds)
25 100
31 125
37 150
50 200
62 250
75 300
87 350
100 400
11.5.2 REQ/ACK offset
The maximum REQ/ACK offset supported by the ST12400 wide family is 15 (0Fh).
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*SCSI Interface Product Manual, P/N 77738479