5-2.7.1 M2488 Operation When Density Code 28H Is Not Configured; 5-2.7.2 M2488 Operation When Density Code 28H Is Configured; Table 5-14. Density Code Settings Accepted By Mode Select Command In Default Operation; Table 5-15. Density Code Settings Accepted By Mode Select Command With Density Code - Fujitsu M2488 Product Manual

M2488 PRODUCT GUIDE
5-2.7.1 M2488 Operation When Density Code 28h Is Not Configured
In its default mode, the M2488 does not use Density Code 28h. The Mode Select command will
accept the following settings in the Density Code field (Mode Parameter Block Descriptor Byte
00h):

Table 5-14. Density Code Settings Accepted by Mode Select Command in Default Operation

DENSITY CODE
Regardless of the Density Code setting used in the Mode Select command, the Mode Sense com-
mand will always report a Density Code value of 09h.
5-2.7.2 M2488 Operation When Density Code 28h Is Configured
Once the DENSITY_CODE_28H feature mode has been configured, the Mode Select command
will accept the following settings in the Density Code field (Mode Parameter Block Descriptor
Byte 00h):
Table 5-15. Density Code Settings Accepted by Mode Select Command with Density Code 28h
DENSITY CODE
The Mode Sense command will report Density Codes in compliance with the following guide-
lines:
Table 5-16. Density Codes Reported by Mode Sense Command with DENSITY_CODE_28H Configured
WHEN THE FOLLOWING IS TRUE
After a Power Up sequence, while the unit is in the NOT READY state and
no previous UNLOAD* has been performed.
When the unit is in the NOT READY state, and a previous UNLOAD* has
been performed.
After a Power Up sequence, when the unit is the READY state, but the tape
format has not yet been determined by the unit.
April 1997
DESCRIPTION
Write tapes in 36T format.
00h
Read tapes in 18T and 36T formats.
Write tapes in 36T format.
09h
Read tapes in 18T and 36T formats.
7Fh Retain current Density Code setting.
Configured
DESCRIPTION
Write tapes in 36T format.
00h
Read tapes in 18T and 36T formats.
Write tapes in 36T format.
09h
Read tapes in 18T and 36T formats.
Write tapes in 36T format.
28h
Read tapes in 18T and 36T formats.
7Fh Retain current Density Code setting.
CG00000-011503 REV. A
TAPE UNIT PARAMETERS
MODE SENSE WILL REPORT
Density Code 28h
Density Code as reported in the most
recent Mode Sense command.
Density Code 28h
5-15