Vendor Unique Parameters); Page - IBM DCAS-32160 - Ultrastar 2.1 GB Hard Drive Specifications

7.12.1 Page 0 (Vendor Unique Parameters)
7 6
BYTE 0 PS RSVD=0
BYTE 1
BYTE 2 QPE UQE
|
BYTE 3 RSVD=0 RSVD=0 CMDAC Ignore
BYTE 4
BYTE 5 RSVD=0 TCC
BYTE 6 IGRA
|
BYTE 7
BYTE 8 RSVD=0 ADC
BYTE 9
BYTE 10 Command Aging Limit (Hi byte)
BYTE 11 Command Aging Limit (Low byte)
BYTE 12 QPE Read Threshold
BYTE 13 QPE Write Threshold
BYTE 14 DRRT DNR
BYTE 15
Figure 75. Page 0
Fields marked in the table as 'Ignore' are not used or checked by the file. They will be initialized to zero but
may be set as desired. This is for compatibility with older drives.
Changeable Parameter
QPE
UQE
| UAI
| MRG
SCAM level
DADM
CMDAC
98
O E M Spec. of DCAS-34330/32160
BIT
5 4 3
Page Code = 00h
Page Length = 0Eh
Ignore UAI MRG SCAM level
RSVD = 0
RSVD = 0
DSN FRDD DPSDP RSVD=0 CAEN Ignore
RSVD = 0
RSVD = 0
RSVD=0 DRD LED Mode
RSVD = 0
RSVD = 0
RSVD = 0
Default Value
0
1
1
0
10b (SCAM level 2)
0
1
2 1 0
DADM
CPE