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IBM 2/4GB-4/10GB 4 mm Tape Drive Parts
Testing the 4 mm Tape Unit w/o Using the System.
Description
Status Lights on the 4 mm Tape Drive :
READY READ-WRITE DISTURBANCE
SCSI Drive ID - Jumper Pin Assignment :
Configuration Switch (SW-4 to SW-8) Settings :
Configuration Switch Settings :
Please see the LEGAL - Trademark notice.
READY
R/W
DIST
Status
FLASH
Off
Off
The Power-On Self Test (POST) is running or the Diagnostic Cartridge is running.
Off
Off
Off
One of the following has occurred:
° The Power is off
° The POST has completed successfully, but no tape cartridge has been inserted.
ON
Off
Off
A tape cartridge has been inserted and the 4 mm Tape Drive is Ready to receive commands from the system.
ON
FLASH
Off
The Tape motion and the 4 mm Tape Drive is running a device operation or cleaning.
Off
Off
FLASH
The 4 mm Tape Drive has detected an internal fault that requires
corrective action such as a tape cartridge failure, high humidity, or no SCSI terminator.
Off/ON
Off/FL
ON
The tape path requires cleaning or is using a poor quality tape cartridge.
(for jumper location, see rear side view - picture)
Address
SW-1
SW-2
SW-3
0
Off
Off
Off
1
On
Off
Off
2
Off
On
Off
3
On
On
Off
4
Off
Off
On
5
On
Off
On
6
Off
On
On
7
On
On
On
(Not on all drives this switches are present. If not available then SW-4 to SW-8 = logically '0').
Switch #
State
Definition
4
Off
The Tape Drive will not write to any 90 meter media
4
ON
The Tape Drive will write to any 90 meter media
Warning: Selecting this option and using Tape Cartridges, other than
those recommended for use for this Tape Drive, will cause errors and void the
warranty.
5
Off
Parity enabled
5
ON
Parity disabled
6
Off
Data Compression can be used when writing.
6
ON
Data Compression cannot be used when writing.
7
Off
No Security - Tape Cartridge can be loaded
7
ON
Security - Tape Cartridge cannot be loaded when the system issues PREVENT MEDIA command.
Warning: Do not set switch to OFF unless your system security software is installed.
8
OFF
Reserved MUST be OFF
(is located below top cover, under adhesive tape)
Switch #
State
Definition
1
ON
No security - Tape Cartridge can be loaded.
1
Off
Security - Tape Cartridge cannot be loaded when system issues PREVENT MEDIA command.
2
ON
Reserved MUST be ON
3
ON
Data Compression can be used when writing.
3
Off
Data Compression cannot be used when writing.
4
ON
The Tape Drive will only Write to approved 'DATA GRADE' media.
4
Off
The Tape Drive will Write to any media.
WARNING Selecting this option and using unapproved Tape Cartridges
may void warranty and cause errors.
5-8
ON
Reserved MUST be ON
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