Hercules Version 3: System Message Overview
This page describes the system messages for the Hercules S/370,
ESA/390, and z/Architecture emulator.
Message format
All Hercules-issued messages are of the form:
HHCmmnnns text
where:
- HHC
- is the message prefix for Hercules. All Hercules messages will have
this prefix.
- mm
- specifies the function that issued the message, from the following list:
  
  - CA
- Communication Adapter emulation
  
- CF
- Configuration file processing
  
- CP
- CPU emulation
  
- CT
- Channel-to-channel adapter emulation
  
- CU
- CCKD utility
  
- DA
- DASD emulation (both CKD and FBA)
  
- DC
- dasdcopy
- DG
- dyngui.dll
- DI
- dasdinit
- DL
- dasdload
- DS
- dasdisup
- DT
- dasdcat
- DU
- DASD utilities common functions
  
- HD
- Hercules Dynamic Loader
  
- HE
- hetinit
- HG
- hetget
- HM
- hetmap
- HT
- HTTP server
  
- HU
- hetupd
- IF
- hercifc(Network interface configuration handler)
- IN
- Hercules initialization
  
- LC
- LCS emulation
  
- LG
- System Log functions
  
- PN
- Hercules control panel command messages
  
- PR
- Printer emulation
  
- PU
- Card punch emulation
  
- RD
- Card reader emulation
  
- SD
- Socket devices common functions
  
- TA
- Tape device emulation
  
- TC
- tapecopy
- TE
- 1052 and 3270 terminal emulation
  
- TM
- tapemap
- TS
- tapesplt
- TT
- TOD Clock and Timer Services
  
- TU
- TUN/TAP driver support
  
- VM
- VM/CP emulation facility
  
 
- nnn
- Specific message number, assigned more or less sequentially.
- s
- Message severity:
  
  - S
- Severe error. Causes immediate termination of Hercules.
  
- E
- Error. The function being requested did not execute correctly, but
  Hercules should continue running.
  
- W
- Warning. Not necessarily an error, but something to take note of and
  possibly correct.
  
- I
- Information. General messages that do not require any further action.
  
- A
- Action. You need to do something.
  
 
- text
- Message text.
You may look up any message by following the link from the function
identifier in the above list.
If you have a question about Hercules, see the
Hercules Frequently-Asked Questions page.
 
Last updated $Date$ $Revision$