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Very high frequency polling delay, Dtd primary port status – HP Q153090901 User Manual

Page 64

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Commands

64

Very High Frequency Polling Delay

The VHF Polling Delay is 16 milliseconds.

DTD Primary Port Status

Parallel SCSI

RRqst

Recovery Requested. Set to 1 as long as a recovery procedure is available. In these

circumstances, InXtn must be 0.

IntfC

Interface Changed. If set, the interface status has changed since the last time this page

was retrieved. It is cleared to 0 when the page is retrieved for the initiator.

TAFC

If set, at least one TapeAlert Flag had Changed since the last time the TapeAlert flags

were retrieved.

7

6

5

4

3

2

1

0

0

(MSB)

Parameter Code (0001h)

1

(LSB)

2

DU (0)

DS (1)

TSD (0)

ETC (0)

TMC (0)

LBIN (1)

LP (1)

3

Parameter Length (2h)

4

(MSB)

VHF Polling Delay

5

(LSB)

7

6

5

4

3

2

1

0

0

(MSB)

Parameter Code (0101h)

1

(LSB)

2

DU (0)

DS (1)

TSD (0)

ETC (0)

TMC (0)

LBIN (1)

LP (1)

3

Parameter Length (4h)

4

Reserved (0)

Current Bus Mode

Rsvd (0)

5

Reserved (0)

6

Most Recent Transfer Period Factor

7

Current SCSI Address