Seagate ST3300955FC, ST3400755FC manual Cheetah NS FC Product Manual, Rev. B

Table 15: Supported commands (continued)

Command code	Supported [4]	Command name
32h	N	Search data low
33h	N	Set limits
34h	N	Prefetch
35h	Y	Synchronize cache
36h	N	Lock-unlock-cache
37h	Y	Read defect data
39h	N	Compare
3Ah	N	Copy and verify
3Bh	Y	Write buffer
	Y	Write combined header and data mode (0)
	Y	Write data mode (2)
	N	Download microcode mode (4)
	Y	Download microcode and save modes (5)
	N	Download microcode with offsets mode (6)
	Y	Download microcode with offsets and save mode (7)
	Y	Firmware download option [2]
3Ch	Y	Read buffer
	Y	Read combined header and data mode (0)
	Y	Read data mode (2)
	Y	Read descriptor mode (3)
3Eh	Y	Read long
3Fh	Y	Write long
40h	N	Change definition
41h	Y	Write same
	N	PBdata
	N	LBdata
42-4Bh	N	Not used
4Ch	Y	Log Select
4Dh	Y	Log Sense
	Y	Support Log page (00h)
	Y	Write Error Counter page (02h)
	Y	Read Error Counter page (03h)
	N	Read Reverse Error Counter page (04h)
	Y	Verify Error Counter page (05h)
	Y	Non-medium Error Counter page (06h)

54 Cheetah NS FC Product Manual, Rev. B