Fujitsu MHV2120BH, MHV2100BH, MHV2080BH, MHV2040BH, MHV2060BH manual Read FP DMA Queued, Tag

Interface

(51) READ FP DMA QUEUED (X'60')

•Description

For details about control of the READ FP DMA QUEUED command, see Section 5.4.6.

At command issuance (Shadow Block Registers setting contents)

CM	0	1	1	0		0	0	0	1
DH	FUA	L	1		x			xx
CH EXP				LBA (47-40)
CH				LBA (23-16)
CL EXP				LBA (39-32)
CL				LBA (15-8)
SN EXP				LBA (31-24)
SN				LBA (7-0)
SC EXP					xx
SC			TAG					xx
FR EXP					xx
FR					xx

At command completion (Shadow Block Registers contents to be read)

ST				Status information
DH	1	L	1		x	xx
CH EXP					xx
CH					xx
CL EXP					xx
CL					xx
SN EXP					xx
SN					xx
SC EXP					xx
SC					xx
ER				Error information

FUA: If this bit is 1, the device always reads data from media regardless of whether the data requested by the host is in the cache.

TAG: Number of a TAG specified by the host

5-146 C141-E224