Quantum 10K II - Manual (Page 177)

SCSI Description
5–110 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
MODE SENSE (6) Command (1Ah) (continued)
5.16.4 Vendor-Unique Caching Page (38h)
The Vendor-Unique Caching Page is a read-only page that reports the number of
segments in the drive's cache memory.
Bit
Byte
7 6 5 4 3 2 1 0
0 PS Rsv’d Page Code (38h)
1 Page Length (0Eh)
2 Reserved Cache Table Size
3 - 15 Reserved
Figure 5–46 Vendor-Unique Caching Page — Data Format
Table 5–50 Vendor-Unique Caching — Field Description
Field Value Description
PS 0 Parameters Savable. This bit is only used with the MODE SENSE
command. This bit is reserved with the MODE SELECT command.
A PS bit value of 1 indicates that the disk drive is capable of saving
the page in a non-volatile vendor specific location.
Cache Table Size 27 This field indicates the number of cache segments supported by
the drive.