IBM DJSA-210 Hard Drive Specifications - Page 201

14.0 Time-out values The timing of BSY and DRQ in Status Register are shown in the table below. Power On Software Reset Hard Reset Data In Command Data Out Command Non-Data Command DMA Data Transfer Command INTERVAL Device Busy After Power On Device Ready After Power On Device Busy After Software Reset Device Ready After Software Reset Device Busy After Hard Reset Device Ready After Hard Reset Device Busy After Command Code Out Interrupt, DRQ For Data Transfer In Device Busy After Data Transfer In Device Busy After Command Code Out Data Request For Data Transfer Out Device Busy After Data Transfer Out Interrupt For Data Transfer Out Device Busy After Command Code Out Interrupt For Command Complete Device Busy After Command Code Out START Power On Power On Device Control Register RST=1 STOP Status Register BSY=1 Status Register BSY=1 and RDY=1 Status Register BSY=1 Device Control Status Register Register RST=0 BSY=0 and RDY=1 After RST=1 Bus RESET Signal Status Register Asserted BSY=1 Bus RESET Signal Status Register Asserted BSY=0 and RDY=1 OUT To Command Status Register Register BSY=1 Status Register BSY=1 256th Read From Data Register Status Register BSY=0 and DRQ=1, Interrupt Status Register BSY=1 OUT to Command Status Register Register BSY=1 Status Register Status Register BSY=1 BSY=0 and DRQ=1 256th Write From Status Register Data Register BSY=1 Status Register BSY=1 OUT to Command Register Status Register BSY=0 and RDY=1 Interrupt Status Register BSY=1 Status Register Interrupt BSY=1 OUT to Command Status Register Register BSY=1 Figure 129. Time-out values Travelstar 32GH/30GT/20GN hard disk drive specifications 187 TIME-OUT 400 ns 31 sec 400 ns 31 sec 400 ns 31 sec 400 ns 30 sec 10 us 400 ns 700 us (Note 3.) 5 us 30 sec (Note 1.) 400 ns 30 sec (Note 2.) 400 ns