Figure 36. Ultra Dma Cycle Timing Chart (Device Pausing Write); Figure 37. Ultra Dma Cycle Timings (Device Pausing Write); Device Pausing Write Dma - IBM DTLA-305040 - Deskstar 41.1 GB Hard Drive Specifications

7.2.4.6 Device Pausing Write DMA

DMARQ
DMACK-
STOP
DDMARDY-
HSTROBE

Figure 36. Ultra DMA cycle timing chart (Device Pausing Write)

PARAMETER DESCRIPTION
(all values in ns)
tSR Strobe to ready response time
tRFS Ready to final strobe time
Note: When a device does not meet tSR, it shall be ready to receive 3 more strobes after DDMARDY– is
negated.

Figure 37. Ultra DMA cycle timings (Device Pausing Write)

tSR
tRFS
MODE0
MIN MAX
– 50
– 75
Deskstar 40GV & 75GXP hard disk drive specifications
MODE1 MODE2
MIN MAX MIN MAX MIN
– 30 – 20
– 70 – 60
37
MODE3 MODE4 MODE5
MAX MIN MAX MIN
-
– – – –
– 60 – 60 –
MAX
–
50