System Parameter
Description
PLANT
STSI plant code
QUITMOUT
Quit timeout value
REXX
REXX interpreter settings
SCLPROOT
SCLP base directory
SCPECHO
Echo to console and history of SCP replies
SCPIMPLY
Pass non-Hercules commands to the SCP
SCSIMOUNT
Automatic SCSI tape mounts
SHCMDOPT
Shell command option
SHOWDVOL1
Enable showing of DASD volsers in device list
SHRDPORT
Shared device server port
SRVPRIO
Server threads priority
SYMPTOM
Instruction trace display option (alias for
TRACEOPT)
SYSEPOCH
Base date for TOD clock
TIMERINT
Internal timer update interval
TODDRAG
TOD clock drag factor
TODPRIO
Timer thread process priority
TRACEOPT
Instruction trace display option
TZOFFSET
TOD clock offset from GMT
XPNDSIZE
Expanded storage size
YROFFSET
TOD clock offset from actual date
Table 1: Hercules System Parameters
4.3 Device Definitions
The device definitions describe the layout of the emulated hardware i.e: DASD, tape, terminals and prin-
ters. It is comparable with the IOCDS found in a real mainframe environment. Each emulated device must
be specified in this part of the configuration file.
The following table shows an overview of all valid devices:
