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Table 3-3. Diagnostic and maintenance functions
Function
Code
Diagnostic or Maintenance Function
Instructions Location
0
Exit Maintenance Mode:
Causes the drive to become
available for reading and writing data.
“Function Code 0: Maintenance Mode”
1
Run Drive Diagnostics:
Runs tests to determine whether
the drive can properly load and unload cartridges, and
read and write data.
8
Update Tape Drive Firmware from FMR Tape:
Loads
updated firmware from a field microcode replacement
(FMR) tape.
“Function Code 2: Update Drive
Firmware from FMR Tape” on page 3-11
3
Create FMR Tape:
Copies its field microcode
replacement (FMR) data to a customer-supplied scratch
(blank) data cartridge.
“Function Code 3: Create FMR Tape” on
8
Force a Drive Dump:
Performs a dump of data (also
known as saving a microcode trace).
“Function Code 4: Force a Drive Dump”
5
Copy Drive Dump:
Copies data from a drive dump
(captured by using Function Code 4) to the beginning of
a customer-supplied scratch (blank) data cartridge,
copies a drive dump to flash memory, or erases a dump
from flash memory.
“Function Code 5: Copy Drive Dump” on
6
Run Host Interface Wrap Test:
Performs a check of the
circuitry from and to the connector.
“Function Code 6: Run Host Interface
7
Run RS-422 Wrap Test:
This test causes the drive to
perform a check of the circuitry and connector for the
RS-422 interface.
“Function Code 7: Run RS-422 Wrap Test”
8
Unmake FMR Tape:
Erases the FMR data on a
customer-supplied scratch (blank) data cartridge and
rewrite the cartridge memory on the tape. This turns the
cartridge into a valid customer-supplied scratch data
cartridge.
“Function Code 8: Unmake FMR Tape”
9
Display Error Code Log:
Displays the last 10 error
codes, one at a time (the codes are ordered; the most
recent is presented first and the oldest (tenth) is
presented last).
“Function Code 9: Display Error Code
A
Clear Error Code Log:
Erases the contents of the error
code log.
“Function Code A: Clear Error Code Log”
C
Insert Cartridge into Tape Drive:
This function cannot
be selected by itself, but is a part of other maintenance
functions (such as Run Tape Drive Diagnostics and
Create FMR Tape) that require a tape cartridge to be
loaded.
“Function Code C: Insert Cartridge into
E
Test Cartridge & Media:
Performs tests to ensure that a
suspect cartridge and its magnetic tape are acceptable.
“Function Code E: Test Cartridge &
F
Write Performance Test:
Performs tests to ensure that
the drive can read from and write to tape.
“Function Code F: Write Performance
H
Test Head:
Performs tests to ensure that the tape drive's
head and tape-carriage mechanics are working correctly.
“Function Code H: Test Head” on page
J
Fast Read/Write Test:
Performs tests to ensure that the
drive can read from and write to tape.
“Function Code J: Fast Read/Write Test”
L
Load/Unload Test:
Tests the drive's ability to load and
unload a tape cartridge.
“Function Code L: Load/Unload Test” on
3-8
TS2250 Tape Drive Setup, Operator and Service manual
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