Fujitsu MJA2500BH Maintenance Manual - Page 117
Sector Offset 7-0, DOWNLOAD MICROCODE X '92 - firmware download
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(9) DOWNLOAD MICROCODE (X '92') 5.3 Host Commands At command issuance (Shadow Block Registers setting contents) CM 10 010010 DH 1x 1x0000 CH Sector Offset (15-8) CL Sector Offset (7-0) SN Sector count (15-8) SC Sector count (7-0) FR Subcommand code At command completion (Shadow Block Registers contents to be read) ST Status information DH 1 x 1 x 0 0 0 0 CH 00 CL 00 SN xx SC xx ER Error information 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 5.7. In the data transfer of Subcommand code 01h and 03h transfer by which data is divided into multiple times is possible. Refer to Table 5.8. After the designation of rewriting by Subcommand code 07h, reactivates in the device for the update of the rewriting microcode of the microcode. C141-E293 5-43