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Highpoint HPT370 ATA/100 RAID Controller Chip
Last updated: 7/27/00

HPT370 Block Diagram

Features.  The HPT370 provides two independent ATA channels at 256 Byte FIFO per ATA channel with concurrent PIO and bus master access.   Features include:

  • Ultra DMA 100MB/S operation per ATA channel

  • Supports up to 66MHz PCI bus Clock

  • One PCI function supports two independent ATA channels

  • ATA clock independent from PCI bus

  • Optional between external 50MHz ATA bus clock or internal PLL

  • 256 Bytes FIFO per ATA channel

  • Supports all hard disks and ATAPI CD-ROM, DVD-ROM, CD-R, CD-RW, LS-120, MO, Tape and ZIP devices

  • Easy Plug-and-Play feature

  • Supports up to 8 ATA/ATAPI devices. (Coexist with on-board IDE)

  • RAID function supported (RAID 0, 1, 0+1)

  • Supports the most popular OS like Windows 95/98, Windows NT 4.0, Windows 2000 and Linux

  • Supports booting function with Flash Memory interface

  • Automatically fine tune to the best performance for each ATA/ATAPI device

  • PIO and bus master access Concurrently (ATA port accessible during DMA transfer)

  • Total IDE bus tri-state by software control and supports hotswap (Low signal Current)

  • Reloadable PCI configuration using parallel EPROM or 2 wire serial EPROM (Loading address 0 for serial EPROM, loading address 400H for parallel EPROM)

  • Small foot print 144-pin LQFP package

  • Embedded serial resistors on chip for ATA spec.

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