Fujitsu MCM3130AP Computer Drive User Manual


 
4.6 Packet Commands
C156-E227-01EN 4-61
Page Control (PC) defines the type of the page descriptor to transmit.
Table 4.71 Page Control field
Bit 7 Bit 6 Parameter type
0 0 Current value
0 1 Changeable value
1 0 Default value
1 1 Save value
Page Code defines the page descriptor to transfer. When 3Fh is specified, all page
descriptors are transferred. For the supported page descriptors, see Table 4.46,
"Mode Parameters."
Mode pages are transferred in ascending order by page code, except for the drive
operation mode page (00h). The drive operation mode page (00h) is transferred
last.
Table 4.72 Mode Parameter List
Bit
Byte
76543210
0-7 Mode Parameter Header
0-n Page Descriptor(s)
The mode parameter list consists of a mode parameter header and page descriptor.
Table 4.73 shows the mode parameter header format.
Table 4.73 Mode Parameter Header
Bit
Byte
76543210
0-1 Mode Data Length
2 Medium Type Code
3 WP Reserved
4-7 Reserved
Medium Type Code returns the following values:
- 03h for normal FRAM (MO) media
- 07h for overwrite FRAM media
- 01h for FROM media