Reserved (Byte 18 Thru 19) - IBM DDRS-39130 - Ultrastar 9.1 GB Hard Drive Specifications

12.2.10.2 Sense Key Specific - Recovered (Sense Key = 1h)
Hardware (Sense Key = 4h) or Medium Error (Sense Key = 3h)
Actual Retry Count is reported.
7 6
BYTE 15 SKSV
BYTE 16 (MSB) Actual Retry Count
BYTE 17
Figure 142. Actual Retry Count Bytes
SKSV Sense-key specific valid
0
1
Actual Retry Count Actual number of retries used in attempting to recover from the error condition.
12.2.10.3 Sense Key Specific - Not Ready (Sense key = 2h)
These fields are only defined for the Format unit (04h) command with the Immediate bit set to one.
Progress indication is returned.
7 6
BYTE 15 SKSV
BYTE 16 (MSB) Progress Indication
BYTE 17
Figure 143. Format Progress Indication Bytes
SKSV Sense-key specific valid
0
1
Progress Indication Indicates a percent complete in which the returned value is the numerator that has
10000h as its denominator.

12.2.11 Reserved (Byte 18 thru 19)

Reserved fields are filled with zero.
212
O E M Spec. of DDRS-3xxxx
BIT
5 4 3 2
Reserved
Actual Retry Count is not valid.
Actual Retry Count is valid.
BIT
5 4 3 2
Reserved
Progress Indication is not valid.
Progress Indication is valid.
1 0
(LSB)
1 0
(LSB)