IBM DJSA-210 Hard Drive Specifications - Page 67
Initiating Write DMA, HSTROBE, DDMARDY, DMACK, DMARQ, tZIORDY, t2CYC, DD15:0, Host drives DD, WT Data
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7.9.3 Initiating Write DMA DMARQ tUI DMACKSTOP tENV tACK tLI tZIORDY DDMARDY- tACK tUI t2CYC tCYC tCYC HSTROBE DD(15:0) xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx tDH tDS WT Data xxx WT Data xxx WT Data Host drives DD PARAMETER DESCRIPTION tUI tACK tENV tZIORDY tLI tCYC t2CYC tDS tDH Unlimited interlock time Setup time for DMACKEnvelope time Minimum time before driving IORDY Limited interlock time Cycle time Two cycle time Data setup time at device Data Hold time at device Figure 42. Ultra DMA cycle timings (Initiating Write) MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) 0-0-0-0-0- 20 - 20 - 20 - 20 - 20 - 20 70 20 70 20 70 20 55 20 55 0-0-0-0-0- 0 150 0 150 0 150 0 100 0 100 112 - 73 - 54 - 39 - 25 - 230 - 154 - 115 - 86 - 57 - 15 - 10 - 7 - 7 - 5 - 5-5-5-5-5- Travelstar 32GH/30GT/20GN hard disk drive specifications 53