Download Microcode (X'92') - Fujitsu MHW2040AC Product Manual

(9) DOWNLOAD MICROCODE (X'92')

At command issuance (I/O registers setting contents)
1F7 (CM)
h
1F6 (DH)
h
1F5 (CH)
h
1F4 (CL)
h
1F3 (SN)
h
1F2 (SC)
h
1F1 (FR)
h
At command completion (I/O registers contents to be read)
1F7 (ST)
h
1F6 (DH)
h
1F5 (CH)
h
1F4 (CL)
h
1F3 (SN)
h
1F2 (SC)
h
1F1 (ER)
h
This command rewrites the microcode of the device (firmware).
When this command is accepted, the device does beginning the data transfer of the
microcode or the microcode rewriting according to Subcommand code (Rewriting
is also possible simultaneously with the data transfer). Refer to Table 5-5.
In the data transfer of Subcommand code:01h, transfer by which data is divided
into multiple times is possible. Refer to Table 5-6.
After the designation of rewriting by Subcommand code:07h, reactivates in the
device for the update of the rewriting microcode of the microcode.
C141-E258
1 0 0 1
1 X 1 DV
00
00
Sector count (15-8)
Sector count (7-0)
Subcommand code
Status information
1 X 1 DV
00
00
XX
XX
Error information
5.3 Host Commands
0 0 1 0
0 0 0 0
0 0 0 0
5-31