Re: [ILUG] hdparm and DMA "not permitted"

From: John McCormac (jmcc at domain hackwatch.com)
Date: Sun 20 May 2001 - 13:10:19 IST


Vincent Cunniffe wrote:
>
> Conor Daly wrote:
>
> > Little problem here with hdparm and DMA. I'm using an AMD K6-2 350MHz on
> > some kind of amibios mobo with "Ultra DMA Enabled" in CMOS but I cannot
> > set "using dma" for the drive(s).
>
> <snip>
>
> > hda: Maxtor 91021U2, ATA DISK drive
> > hdb: FUJITSU MPD3084AT, ATA DISK drive

If the HD is a UDMA66/33 and there is a non-UDMA66/33 device on the same
chain it can cause problems. The best thing would be to keep the UDMA
devices on IDE0 and the non UDMA devices on IDE1.
 
Regards...jmcc

-- 
********************************************
John McCormac            * Hack Watch News
jmcc at domain hackwatch.com       * 22 Viewmount, 
Voice:   +353-51-873640  * Waterford,
BBS&Fax: +353-51-850143  * Ireland
http://www.hackwatch.com/~kooltek
********************************************
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: 2.6
mQCNAzAYPNsAAAEEAPGTHaNyitUTNAwF8BU6mF5PcbLQXdeuHf3xT6UOL+/Od+z+
ZOCAx8Ka9LJBjuQYw8hlqvTV5kceLlrP2HPqmk7YPOw1fQWlpTJof+ZMCxEVd1Qz
TRet2vS/kiRQRYvKOaxoJhqIzUr1g3ovBnIdpKeo4KKULz9XKuxCgZsuLKkVAAUX
tCJKb2huIE1jQ29ybWFjIDxqbWNjQGhhY2t3YXRjaC5jb20+tBJqbWNjQGhhY2t3
YXRjaC5jb20=
=sTfy
-----END PGP PUBLIC KEY BLOCK-----


This archive was generated by hypermail 2.1.6 : Thu 06 Feb 2003 - 13:10:22 GMT