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Honeywell 400 Series Hardware Manual page 79

Punched card subsystems

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Status Returns
Status at Initiation
Status at Termination
Read/Feed
Request
Reset
Read/Feed
Status
Status
Substatus*
Instructions
Status
Status
Instructions
Instructions
CHANNEL READY
0000
000000
*
*
*
DEVICE BUSY
0001
000000
*
*
*
ATTENTION
0010
Hopper/Stacker Alert
xxxxxl
*
*
*
*
Manual Halt
xxxxlx
*
*
*
*
Last Batch
xxxlxl
*
*
*
*
Feed Alert
Oxlxxx
*
*
*
*
Card Jam
~ xlxxxx
*
*
*
*
Read Alert
1x0xxx
*
*
*
Sneak Feed
lxlxxx
*
*
*
*
DATA ALERT
0011
Transfer Timing Alert
000001
*
*
*
Validity Alert
000x10
*
*
*
Dual Read Alert
0001x0
*
*
*
No Read Command
001000
*
*
*
INSTRUCTION REJECTED
0101
Invalid Operation Code
000001
*
No Card Committed
000010
*
Late Read Command
000100
*
LOAD OPERATION COMPLETE
0111
000000
*
*
*
CHANNEL BUSY
1000
000000
*
*
*
CHANNEL ABSENT #
1001
000000
*
*
*
CHANNEL ALERT #
1010
000000
*
*
*
* Symbol x - O or 1
# Generated by I/O Channel of (:-400 Series
-70-

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