Messages in this thread | | | From | dmeyer@jhereg ... | Date | Tue, 22 Feb 2000 19:31:55 -0500 | Subject | UDMA Problem on VIA chipset - K7M motherboard |
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In article <PstOfc.38b2e9f1.8b4567@DILITHIUM.MIT.EDU> you write: > I do have the correct 80-conductor cable, counted the wires to make sure, > and the drives definitely do support up to UDMA mode 4. > > Is there any way to get this to work? There's a drastic speed improvement > with -X 66 (hdparm -t goes from not quite 5 mb/sec to just over 21 mb/sec) > and I'd love to get it to work. Thanks!
Support for the AMD7409 IDE chipset got added sometime in v2.3 - I'm currently using 2.3.42 with CONFIG_BLK_DEV_AMD7409=y, CONFIG_BLK_DEV_IDEDMA=y, and CONFIG_IDEDMA_AUTO=y, and getting dma mode 2 without the massive corruption you (and I :-( ) saw in v2.2. No hdparm'ing necessary.
FWIW.
-- David M. Meyer dmeyer0@bellatlantic.net
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