HP 9800 SERIES - 9845 B;C Mainframe Diagnostics; Quick Checks

A-tO HP 9895A Disc Memory Command Set
Table A-I. Command Table
Primary
Secondary
Keyl
Opcode
Identify
U ADDRS
-
DSJ
T
!10 P
-
Read Self-Test
T !1F
-
-
Read Loopback
T
!1E
A
-
Request Status
L !08 H
!03
Request Status
L lOA
J !03
Req (Logical) Address
L
lOA
J !I4
Req (Logical) Address
L
!08 H !I4
Req (Physical) Address
L
roc L !I4
Send Status or Address
T
!08 H
-
Universal Clear
U
- -
Selected Device Clear
L
- -
HP-300 Clear
L
!IO P
-
Initiate Self-Test
L !1F
-
-
Write Loopback
L
!IE A
-
Download Controller
L
!OF
0
-
Door Lock
L
roc L !I9
Door Unlock
L
roc L !IA
HP-IB CRC
TIL !11
Q
-
Seek
L
!08 H !02
End
L
!08 H
!IS
Buffered Read
L
lOA
J
!05
Unbuffered Read
L !08 H !05
Verify
L
!08 H !07
Buffered Read Verify
L
lOB K !05
Unbuffered Read Verify
L
roc L !05
Cold Load Read
L
!08
H tOO
ID Triggered Read
L
lOB
K !06
Send Data
T
roo
@
-
Buffered Write
L
!09 I !08
Unbuffered Write L
!08 H
!08
Initialize
L
!08
H
lOB
Format
L
roc L
!I8
Receive Data
L
roo @
-
1 To generate the command Secondary, hold the Control key down while pressing the listed key.
2 To generate the command Opcode, hold the Control key down while pressing the listed key.
Command Table
! - Hexadecimal Number
T - Talk Primary
L - Listen Primary
U - Universal Primary
Key2
# Bytes
-
1
2
1 to
256
C 2
C
2
T 2
T
Z
T 2
4
-
-
1
2
1 to
256
1 to 256
Y 2
Z 2
-
B
6
U
2
E
2
E
2
G
4
E
2
E
2
@
2
F
2
-
H
2
H
2
K 2
X 4
-