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| From: | "Michael R. Gayeski" <mrgayeski@×××××××××××××.edu> | ||
|---|---|---|---|
| To: | Miguel S Filipe <m3thos@×××××××.pt>, gentoo-dev@g.o, gentoo-user@g.o | ||
| Subject: | Re: [gentoo-dev] Disk Performance Issues [AMD Viper plus IDE chipset problems. (wrong udma "autodetection")] | ||
| Date: | Sat, 09 Nov 2002 18:39:26 | ||
| Message-Id: | 200211091236.54044.mrgayeski@students.wisc.edu | ||
| In Reply to: | [gentoo-dev] Disk Performance Issues [AMD Viper plus IDE chipset problems. (wrong udma "autodetection")] by Miguel S Filipe |
||
| 1 | > I'm sending this email about a problem with udma settings |
| 2 | > in a TigerMP motherboard, wich supports UDMA 100. |
| 3 | > The problem looks like the kernel on boot detects the disks has UDMA33 |
| 4 | > all the time, although one does UDMA 100 and the other one UDMA 66 |
| 5 | > My drive's performance are lousy, and I know they are capable of much more, |
| 6 | |
| 7 | Are you using 80-wire cables for your drive? The motherboard will politely |
| 8 | refuse to operate at UDMA 100 without the new cables. Also, I believe there |
| 9 | is a kernel option to force UDMA100 at boot, but I seem to remember it not |
| 10 | being recommended. |
| 11 | |
| 12 | Good luck, |
| 13 | |
| 14 | --mrg |
| 15 | |
| 16 | |
| 17 | -- |
| 18 | gentoo-dev@g.o mailing list |
| Subject | Author |
|---|---|
| Re: [gentoo-dev] Disk Performance Issues [AMD Viper plus IDE chipset problems. (wrong udma "autodetection")] | Dewet Diener <gentoo-dev@×××××.org> |