IBM DBCA-204860 Hard Drive Specifications - Page 56
Device Terminating Write DMA
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6.5.3.7 Device Terminating Write DMA < DMARQ DMACK STOP DDMARDY < HSTROBE DD(15:00) XXX < Trp > < Tmli > < Tack > < > Trdyz Trfs > < Tli > < Tack > WT Data Tds < > < > Tdh XXXXXXXXXXXXXXXXXXXXXXXXX CRC XXXXXXXXXX Host drives DD > PARAMETER DESCRIPTION Trfs Trp Tli Tmli Tds Tdh Tack Trdyz Ready to final strobe time Ready to pause time Limited interlock time Interlock time Data setup time (at device side) Data Hold time (at device side) Hold time after DMACK negation Pull up time before DDMARDY release [nsec] MODE0 MODE1 MODE2 MIN MAX MIN MAX MIN MAX 75 60 50 160 125 100 0 150 0 150 0 150 20 20 20 15 10 7 5 5 5 20 20 20 20 20 20 Figure 34. Ultra D M A cycle timings (Device terminating Write) 48 OEM Specifications of DBCA-2xxxxx 2.5 inch H D D
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