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The ATA commands with specific applications for these drives and the
Seagate-unique commands the drives use are discussed in Section 3.0
on page 25. A complete list of the commands the drives support are found
in the table on page 27.
The following is a summary of the drives’ features:
Capacity
• 6.4 Gbytes formatted
• LBA translation support
• Available software driver that surpasses the 528-Mbyte barrier and
4,096 cylinder barrier limited by some system BIOSs
• Available software driver that provides expanded 32-bit disk access
support for Windows 3.
x
Performance
• Fast ATA -2 (ST36450A) —burst transfer rates up to 16.6-Mbytes-per-
second
• Ultra ATA (ST36451A)—burst transfer rates up to 13.3-Mbytes-per-
second
• Supports DMA mode 2, PIO mode 4 and multiple block read/write.
• 512-Kbyte segmented buffer
• 12-msec average read seek time
• 13.5-msec average write seek time
• Data streaming
Energy-efficiency
• Active, Idle and Standby power-management modes
• 2 watt typical power dissipation rating in Standby mode
2 Medalist Pro 6450/6451 Product Manual, Rev. B