U Series 5 Family Product Manual, Rev. B

21

3.0 ATA interface

These drives use the industry-standard ATA task file interface that supports 16-bit data transfers. It supports ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–5. The drive also supports the use of the IORDY signal to provide reliable high-speed data transfers.

You can use a daisy-chain cable to connect two drives to a single AT host bus. For detailed information about the ATA interface, refer to the draft of AT Attachment with Packet Interface Extension (ATA/ATAPI-Rev 5), NCITS T13 1153D, subsequently referred to as the Draft ATA-Rev 5 Standard.

3.1 ATA interface signals and connector pins

Figure 4 on page 22 summarizes the signals on the ATA interface connector that the drive supports. For a detailed description of these signals, refer to the Draft ATA-Rev 5 Standard.

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HP 6831 (LA), 6738 (US), 8829 (LA), 8822 (LA) manual ATA interface signals and connector pins
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6738 (US), 8829 (LA), 8822 (LA), 6831 (LA) specifications

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