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Brion Vibber,
v3.01, 6 December 2001
This document is intended to explain how to use Ultra-DMA aka Ultra-ATA aka Ultra33 and Ultra66 hard drives and interfaces with Linux. The most recent version of this mini-Howto can be obtained in HTML format at http://pobox.com/~brion/linux/Ultra-DMA.html.
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The Linux Ultra-DMA Mini-Howto
Brion Vibber, brion@pobox.com
v3.01, 6 December 2001
Archived Document Notice: This document has been archived by the LDP.
This document is intended to explain how to use Ultra-DMA aka Ultra-ATA aka Ultra33 and Ultra66 hard drives and interfaces with Linux. The most recent version of this mini-Howto can be obtained in HTML format at http://pobox.com/~brion/linux/Ultra-DMA.html.
1. Introduction and Disclaimer
2. What is Ultra-DMA and why do I want it?
- 2.1 IDE, EIDE, & ATAPI
- 2.2 Bus Master DMA
- 2.3 Ultra-DMA aka Ultra-ATA aka Ultra33 aka...
- 2.4 Just how ``Ultra'' is it anyway?
- 2.5 How does UDMA compare to SCSI?
3. Using your UDMA hard drive with an EIDE interface
4. Using your hard drives with a UDMA interface
5. Offboard PCI UDMA interfaces
6. Onboard UDMA interfaces
- 6.1 Intel FX, HX, VX, TX, LX, and BX
- 6.2 The VIA VP2 and Related Chipsets
- 6.3 TX Pro and other ``Pro'' boards
- 6.4 HPT 366
7. Unified IDE Patches
8. Activating and Deactivating UDMA
9. Problems
- 9.1 The UDMA Blacklist
- 9.2 Are you overclocking?
- 9.3 Is your BIOS current?
- 9.4 If you still can't get it to work!
10. If you have some information about UDMA stuff that's not in this mini-howto...
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