Seagate ST3660A Product Manual - Page 28

20 Medalist XE Family Product Manual, Rev. B Drive pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 *28 29 30 31 32 33 *34 35 36 37 38 *39 40 Signal name Reset- Ground DD7 DD8 DD6 DD9 DD5 DD10 DD4 DD11 DD3 DD12 DD2 DD13 DD1 DD14 DD0 DD15 Ground (removed) DMARQ Ground DIOW- Ground DIOR- Ground IORDY SPSYNC−:CSEL DMACK- Ground INTRQ IOCS16- DA1 PDIAG- DA0 DA2 CS1FX- CS3FX- DASP- Ground Host pin # and signal description 1 Host Reset 2 Ground 3 Host Data Bus Bit 7 4 Host Data Bus Bit 8 5 Host Data Bus Bit 6 6 Host Data Bus Bit 9 7 Host Data Bus Bit 5 8 Host Data Bus Bit 10 9 Host Data Bus Bit 4 10 Host Data Bus Bit 11 11 Host Data Bus Bit 3 12 Host Data Bus Bit 12 13 Host Data Bus Bit 2 14 Host Data Bus Bit 13 15 Host Data Bus Bit 1 16 Host Data Bus Bit 14 17 Host Data Bus Bit 0 18 Host Data Bus Bit 15 19 Ground 20 (No Pin) 21 DMA Request 22 Ground 23 Host I/O Write 24 Ground 25 Host I/O Read 26 Ground 27 I/O Channel Ready 28 Cable Select 29 DMA Acknowledge 30 Ground 31 Host Interrupt Request 32 Host 16 Bit I/O 33 Host Address Bus Bit 1 34 Passed Diagnostics 35 Host Address Bus Bit 0 36 Host Address Bus Bit 2 37 Host Chip Select 0 38 Host Chip Select 1 39 Drive Active or Slave Present 40 Ground *Indicates master-slave signals (details shown below). Drive 1 (slave) 28 34 39 Drive 0 (master) 28 34 39 SPSYNC−:CSEL PDIAG- DASP- Host 28 34 39 Figure 7. ATA connector pin assignments