PATA/SATA specifications

PATA/SATA specifications

Following are the various speeds and modes of PATA/IDE and SATA drives. See IDE and SATA.

 PIO=Programmed I/O modeDMA=Direct Memory Access mode                                   #PATA    PIO  MB/sec  DMA  MB/sec  Pins
 ATA       0   3.3     0   4.2     40
 ATA       1   5.2                 40
 ATA       2   8.3                 40

 PATA (Enhanced IDE - EIDE)
 ATA-2/3   3  11.1     1   13.3    40
 ATA-2/3   4  16.6     2   16.6    40
 ATA-4 (ATA-33)        2   33.3    40
 ATA-5                 0   16.6    40
 ATA-5                 1   25.0    40
 ATA-5 (ATA-33)        2   33.3    40
 ATA-5                 3   44.4    80**
 ATA-5 (ATA-66)        4   66.6    80**
 ATA-6 (ATA-100)       5  100.0    80**
 ATA-7 (ATA-133)       5  133.0    80**

 SATA (Serial ATA)  See  SATA.
 SATA                  5  1500.0    4
 SATA II               5  3000.0    4
 SATA III              5  6000.0    4

 ** 80-pin cables added 40 ground wires
    and fit into 40-pin sockets with
    one pin removed

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