IBM DARA-206000 Hard Drive Specifications - Page 61
Initiating Write DMA
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6.5.3.5 Initiating Write DMA DMARQ DMACK STOP DDMARDY HSTROBE DB(15:00) < Tui > Tzrdy > < < Tli > < Tui < > < T2cyc > Tcyc > < Tcyc > Tds < > < > Tdh XXXXXXXXXXXXXXXXXXXXXXXXXX WT Data XXX WT Data XXX WT Data < Host drives DB > Figure 40. Ultra D M A cycle time chart (Initiating Write) Electrical Interface Specifications 51
6.5.3.5
Initiating Write DMA
DMARQ
<
Tui
>
DMACK
<Tack> <Tenv>
STOP
Tzrdy >
<
< Tli >
DDMARDY
<
T2cyc
>
<Tack>
Tui <
><
Tcyc
><
Tcyc
>
HSTROBE
Tds <
><
> Tdh
DB(15:00)
XXXXXXXXXXXXXXXXXXXXXXXXXX
WT Data
XXX
WT Data
XXX
WT Data
<
Host drives DB
>
Figure 40. Ultra DMA cycle time chart (Initiating Write)
Electrical Interface Specifications
51