User`s manual

.DSKCFIG
5-19
5
Device Descriptor Packet
The Device Descriptor Packet is as follows:
Most of the Þelds in the Device Descriptor Packet are equivalent to
the Þelds deÞned in the ConÞguration Area block (CFGA). In the
Þeld descriptions following, reference is made to the equivalent
Þeld in the CFGA whenever possible. For additional information on
these Þelds, refer to tables in ConÞguration Area Block CFGA Fields on
page 5-22.
FEDCBA9876543210
$00 Controller LUN Device LUN
$02 0
$04
Parameters Mask
Upper (Most SigniÞcant) Half-Word
$06 Lower (Least SigniÞcant) Half-Word
$08
Attributes Mask
Upper (Most SigniÞcant) Half-Word
$0A Lower (Least SigniÞcant) Half-Word
$0C
Attributes Flags
Upper (Most SigniÞcant) Half-Word
$0E Lower (Least SigniÞcant) Half-Word
$10
Parameters
Controller LUN Same as in command packet
Device LUN Same as in command packet
Parameters
Mask
Equivalent to the IOSPRM and IOSEPRM Þelds,
with the lower half-word equivalent to IOSPRM,
and the upper half-word equivalent to IOSEPRM
Attributes
Mask
Equivalent to the IOSATM and IOSEATM Þelds,
with the lower half-word equivalent to IOSATM,
and the upper half-word equivalent to IOSEATM