Viper 60s Theory Of Operation And Maintenance Manual page 107

VIPER SCSI COMMANDS
5.19.6.1 D/A to SEQ Segment Descriptor Block
BITS
7
6
5
4
3
2
L
0
BY"rE
~~
0
Source SCSIID
0 0
Source LUN
1 Destination SCSIID
0 0
Destination LUN
2 0 0 0 0 0 0
1
0
3 0 0 0
0 0 0 0 0
4
D/A Device Number of Blocks - MSB
5
I
D/A Device Number 01 Blocks
6
I
D/A Device Number of Blocks
7 D/A Device Number of Blocks - LSB
8
D/A Device Logical Block Address - MSB
9
D/A Device Logical Block Address
10 D/A Device Logical Block Address
11 DI A Device Logical Block Address - LSB
•
5 19 6 2
DI
A to SEQ Segment Descriptor Field Descrigtions
.
"
.
FEATURE
I
BYTES
•
BITS DESCRIPTION
Source
SCSIID
0
5-7
This field specifies the source SCSIID of the DI A
device from which the data is read.
Source
Drive
0
0-2 This field specifies the source LUN number of the
D/A device
SCSIID
Destination
Device
1 5-7
This field specifies the SCSIID of the Viper drive
- - - -
Number of
Blocks
4-7
These fields specify the number of blocks from
the D/A device to be transferred
D/A Device
Address 8 - 11 These fields s eelf the 10 ical blo k in h p y g
c
te D/A
device from Logical Block which the read starts.
5-49