Pata via

OBSOLETE CONTENT

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VIA Technologies PATA IDE and SATA in IDE mode

Hardware Support

This driver supports the PATA controllers included with the listed VIA chipsets:

• CX700 (UDMA 6)
• VT82c576 (MWDMA 2)
• VT82c586 (MWDMA 2)
• VT82c586A (UDMA 2)
• VT82c586B (UDMA 2)
• VT82c596A (UDMA 2)
• VT82c596B (UDMA 4)
• VT82c686 (UDMA 2)
• VT82c686A (UDMA 4)
• VT82c686B (UDMA 5)
• VT6330 (UDMA 6)
• VT6410 (UDMA 6)
• VT6415 (UDMA 6)
• VT6420 (UDMA 6)
• VT8231 (UDMA 5)
• VT8233 (UDMA 5)
• VT8233A (UDMA 6)
• VT8233C (UDMA 5)
• VT8235 (UDMA 6)
• VT8237 (UDMA 6)
• VT8237A (UDMA 6)
• VT8237R (UDMA 6)
• VT8237R Plus (UDMA 6)
• VT8237S (UDMA 6)
• VT8251 (UDMA 6)
• VT8261 (UDMA 6)
• VX700 (UDMA 6)
• VX855/875 (UDMA 6)

This driver also supports the SATA controllers in IDE mode included with the listed VIA chipsets:

• CX700 (1,5Gb/s)
• VX700 (3Gb/s)
• VX800 (3Gb/s)
• VX900 (3Gb/s)

SATA ports in AHCI mode(VT8251) are driven by the AHCI driver.

Modes Supported

PIO, MWDMA, UDMA

Limitations

None

Known Problems

Lockups have been reported on an old southbridge of this list with specific SSD in UDMA mode. UDMA is disabled on that southbridge when that SSD is detected.

Lockups have also been reported on VT8235. See https://bugzilla.kernel.org/show_bug.cgi?id=11426

Module Options

None

Programmer documentation

Documentation is available for VT82c586A, VT82c586B, VT82c686A and VT82c686B southbridge.