SCSI Description

￿￿￿￿￿￿/QFGThe￿2CIGdrive ￿maintains6[RGUthree distinct sets of mode pages. They are the current page, the default page, and the saved page. The drive also reports a fourth set of changeable pages. The page types are defined in Table 5-54.

 

 

 

 

 

 

Mode Page Types

 

 

 

 

 

 

 

 

 

 

 

 

mand.EWTTGPV

Table5-54

KVKCVQTU

and defines the drive’s mode. The

 

The

 

 

mode page set applies to all P

 

SCSI-2 specification states that a drive can maintain Mode parameters on a per-ini-

 

tiator basis if it so chooses. The Drives do not support this option.

 

The

 

 

mode page set contains the values supplied in the last MODE SELECT

 

command received from an initiator. If no initiator has sent a MODE SELECT com-

2CIGCurrent￿6[RG

mand since the drive was last reset or powered up, the current pages contain

 

5CXGF

values if saved pages exist (from a previous MODE SELECT command SP

 

parameter).

 

 

 

 

 

 

values if pages have never been saved.

 

 

 

&GHCWNVFGHCWNV

 

 

 

 

The drives generate Unit Attention condition for all initiators (except for the one

 

that was the source of the MODE SELECT command) whenever one initiator modi-

 

fies the Mode parameters.

 

 

Default

The

 

 

mode page set contains the factory default values that are listed in each

 

page’s description.

 

 

Saved

The

 

mode page set contains values preserved in the drive’s non-volatile mem-

 

 

 

UCXGF

 

 

 

 

ory by a previous SP-modified MODE SELECT command.

 

The

 

 

mode page set provides a means for an initiator to determine which

 

 

 

EJCPIGCDNG

 

 

Changeable

pages it is allowed to change and the specific bits within those pages that it is al-

 

lowed to change. This page set is read-only and is fetched with a MODE SENSE com-

Maxtor Atlas 10K III

5-43

Page 107
Image 107
Maxtor 10K III manual Mode Page Types