Archive for: January 19th, 2011

Fujitsu PCB Compatibility between ROM microcode and service data modules

Fujitsu PCB Compatibility between ROM microcode and service data modules

The service data version recorded to HDA can be found on the drive label. Version number is indicated in its right lower corner, under the line (see the figure below) and consists of a prefix (3 or 4 characters) and an actual version number...

 

2.5″ Fujitsu drives ROM chips

2.5″ Fujitsu drives ROM chips

Fujitsu HDD repair is characterized by some peculiarities. They include the presence of resident microprocessor code (overlay), a large number of incompatible firmware versions, and differences in the HDA construction and service data structure...