On Wednesday 20 Aug 2003 20:35, Kevin Bucknum wrote: > >> you should not (never!) but a harddisk and a cdrom/dvd-drive > > > >on one channel. > > > >> Never. > >> It is a common source of slowdowns and trouble. > > > >Even if you never really use the [CD|DVD] drive? > > > >-- > >Andrew Farmer > >[EMAIL PROTECTED] > > The fastest any device will ever run on that channel will be whatever > the slowest device is. So even if you never use the CD/DVD drive, > your hard drive will be limited to the speed of the CD/DVD drive. > I don't believe this is true any more.
hda - ATA133 hdb - ATA66 hdc - ATA133 hdd - PIONEER DVD-RW DVR-105 (/dev/scsi/host1/bus0/target0/lun0/cd) hdparm -t /dev/hda /dev/hda: Timing buffered disk reads: 124 MB in 3.03 seconds = 40.92 MB/sec hdparm -t /dev/hdb /dev/hdb: Timing buffered disk reads: 38 MB in 3.14 seconds = 12.10 MB/sec hdparm -t /dev/hdc /dev/hdc: Timing buffered disk reads: 126 MB in 3.02 seconds = 41.72 MB/sec Peter -- ====================================================================== Gentoo: Portage 2.0.48-r5 (default-x86-1.4, gcc-3.2.3, glibc-2.3.2-r1) kernel-2.4.22_pre2-gss i686 AMD Athlon(tm) XP 1600+ ====================================================================== -- [EMAIL PROTECTED] mailing list
