HP 2100 Series User Manual

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A simulated disc seek will fail with Status 2 Error (Drive Fault) status, and the drive’s heads will unload. Reloading
the heads will clear the drive fault. A simulated disc read or write will fail with Uncorrectable Data Error status. The
target operating system will then react to this error as though the drive had encountered a bad disc sector.
A drive’s unit number is not set explicitly. Instead, the drive unit number is derived from the simulation unit number.
For example, unit DS0 responds to disc unit select number 0. Changing the unit select switch on a mounted drive
is simulated by detaching and reattaching the disc image file to the corresponding simulation unit.
Device and unit options include configuring the timing, drive type, protection and format status, and the ability to set
drives ready or not-ready. The command forms are:
SET DS <device-option>
SET DSn <unit-option>
5.5.1 Device Options
Device options that may be specified are:
Option Action
SC=<n>
Set the interface card select code; default is 34
DEBUG=<option>
Enable tracing
NODEBUG
Disable tracing; default
ENABLED
Enable the device; default
DISABLED
Disable the device
Device configuration may be displayed with the following commands:
Command Action
SHOW DS
Display the device and unit configuration
5.5.2 Unit Options
Unit options that may be specified for individual disc drives are:
Option Action
7905
Set the drive type to 7905; default
7906
Set the drive type to 7906
7920
Set the drive type to 7920
7925
Set the drive type to 7925
AUTOSIZE
Set the drive type based on the attached file size
UNLOAD Set the drive’s Run/Stop switch to Stop; default when detached
LOAD Set the drive’s Run/Stop switch to Run; default when attached
PROTECT Set the drive’s Disc Protect or Read Only switch to On
UNPROTECT Set the drive’s Disc Protect or Read Only switch to Off
FORMAT Set the drive’s Format switch to Enabled
NOFORMAT Set the drive’s Format switch to Disabled; default
ENABLED
Enable the unit; default
DISABLED
Disable the unit

HP 2100 Series Specifications

General

Brand	HP
Model	2100 Series
Category	Switch
Language	English