Deskstar 7K250 Hard Disk Drive Specification
53
7.8.2 Host Pausing Read DMA
Figure 5: Ultra DMA cycle timings (Host Pausing Read)
PARAMETER DESCRIPTION
(all values in ns)
MODE 0
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MIN MAX
MIN MAX
MIN MAX
MIN MAX
MIN MAX
MIN MAX
tSR
DSTROBE to HDMARDY-
time
–
50
–
30
–
20
–
–
–
–
–
–
tRFS
HDMARDY- to final
DSTROBE time
–
75
–
70
–
60
–
60
–
60
–
50
DSTROBE
HDMARDY-
DMACK-
DMARQ
tSR
STOP
tRFS
Summary of Contents for Deskstar 7K250
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