Thanks Civileme, I will try this (it seems a little bit complicated for me) and I will inform you of the results. Francisco Alcaraz Murcia (Spain) ----- Mensaje Original ----- Remitente: civileme <[EMAIL PROTECTED]> Fecha: Sábado, Enero 27, 2001 11:17 am Asunto: Re: [expert] Problem with a second hd (ATA 100) > On Saturday 27 January 2001 10:40, you wrote: > > Hello folks, > > > > I have a Pentium III 800, WO-R mother board, 128 Mb RAM, Quantum > HD 30GB > > ATA 66, Hitachi DVD, Soncy CRX160E cdwriter, Voodoo3 3000. I have > > installed both, Windows98 (because some applications that I need > can't> run under linux) and MDK 7.2. > > > > I am registered as crashtester for the nex MDK release; because my > > system is running fine, I don't want at the moment install the > betas on > > this harddrive and I have bought a new harddrive Seagate ATA100 > of 20 GB > > (my motherboard is new and can use ATA 100). The new hd has been > > situated as slave in ide0; the computer recognized it, but when I > start> the computer a message said "no system found". > > > > If I put down the new hd, the system start running without > problems. If > > I start the system using a floppy I can see the new drive, make the > > partitions and format them, but the problem still exist; it is > > impossible to start from the harddrive. > > > > I made also an actualization, linux recognized both drives but, the > > problem is still present, grup doesn't appear. > > > > I have tryed with another old harddisk (ATA66) and I have the > same no > > results. > > > > Could be a problem with grub? or perhaps with the configuration > of my > > motherboard? > > > > Any help will be welcomed > > > > Francisco Alcaraz > > Murcia (Spain) > > Try putting your seagate temporarily on the second channel as slave > or even > better with no jumpers at all and fdisk + mkfs it, then move it to > its home. > > also on the boot of 7.2 put in the append line > > ide0=noautotune > > then try to advance the drives on that channel independently with > hdparm-- > > your eventual goal would be > > hdparm -c1 -d1 -u1 -X68 /dev/hda > > hdparm -c1 -d1 -u1 -X69 /dev/hdb > > but use hdparm -t after each setting and start dead slow, like > > hdparm -c1 -d1 -X66 /eachdev > > Now when you reach a point where > > hdparm -c1 -d1 -u1 -X64+x /dev/hdb > hdparm -t /dev/hdb > produces performance of Y Mb/s > and > hdparm -c1 -d1 -u1 -X64+x+1 /dev/hdb > hdparm -t /dev/hdb > produces a performance measure of Y+-5%Mb/s, then drop back to the > x setting. > > I have a DELL sitting on my desktop with a Maxtor drive. With a > stock > install (the i810 chipset doesn't communicate capabalities very > well to the > kernel) the hdparm -t showed 4.78Mb/s With -X66 it showed 31.58 > Mb/s, with > -X68 it still showed 31.58Mb/s. I run it at ATA/33 though it says > it can do > 66 because the performance flattened out, and I risked more errors > at 66 for > no apparent gain in data performance. > > Civileme > >
