Manual background

7

SCSI PACKETS

$00

00000xxx

 

Controller logical unit

 

 

 

number

$01

00000xxx

 

Device logical unit

 

 

 

number

$02

xxxxxxxx

 

Status from SCSI

 

 

 

firmware (byte 0)

 

 

 

(Note 1)

$03

xxxxxxxx

 

Status from SCSI

 

 

 

firmware (byte 1)

 

 

 

(Note 1)

$04

00000000

 

Reserved

$05

xxxxxxxx

 

Maximum data

 

 

 

length

$06

xxxxxxxx

xxxxxxxx

Returned data

 

 

 

pointer (MSW)

$08

xxxxxxxx

xxxxxxxx

Returned data

 

 

 

pointer (LSW)

$0A

00000000

00000000

Reserved

$0C

00000000

00000000

Reserved

$0E

00000000

00000000

Reserved

$10

00000000

00000000

Reserved

$12

00000000

00000000

Reserved

$14

00000000

 

Reserved

$15

01011100

 

SCSI function ($5C =

 

 

 

request sense data)

$16

000000xx

 

Interrupt level (7

 

 

 

through 0) (0 = polled

 

 

 

mode)

$17

xxxxxxxx

 

Vector number to use

 

 

 

upon return

$18

xxxxxxxx

 

Status from SCSI

 

 

 

firmware (byte 2)

 

 

 

(Note 1)

$19

xxxxxxxx

 

Status from SCSI

 

 

 

firmware (byte 3)

 

 

 

(Note 1)

7-64

Page 144
Image 144
Emerson MVME147 manual Controller logical unit