I regularly boot from this model drive on a sx board with a Symbios 53c875 adapter,
albeit in SRM v5.6-3. It is jumperless, using scsi id 0 with a zip drive, id 3,and
cd-rom, id 1, on the same cable. It shows up as Fast-10 SCSI in dmesg. Perhaps it's
another case on my administration by smoke and mirrors, but in this instance I can
report no problems. Currently it uses kernel 2.4.2, but has run in the past on
2.2.?13?, I think. I know nothing on synch xfers and little about SCSI in general.
If I can be of further assistance, let me know what would help.
ps Is there a command/procedure to shutdown noisy SCSI drives when not in use?
Paul Bunn wrote:
> The only other thing I can think of is an incompatibility in the drive's firmware
> and Linux. You might want to see if there is a firmware update from Seagate's
> website for the drive. Seagate used to not allow customers to update firmware in
> their harddrives, not sure if they've changed their policy on this.
> Did anyone else suggest disabling synch xfers, or dropping the synch rate down a
> notch ? The only possible problem with this is whether the linux SCSI host driver
> honors the settings set in its BIOS. One possibility is to see if there is a
> jumper on the drive itself to disable synch xfers.
> Paul Bunn, UltraBac.com, 425-644-6000
> Microsoft MVP - WindowsNT/2000
> -----Original Message-----
> From: Josť Pedro Sousa do Amaral [mailto:email@example.com]
> Sent: Tuesday, March 20, 2001 10:04 AM
> To: firstname.lastname@example.org
> Subject: Re: ST15150N SCSI HD trouble
> Thank you for the suggestions.
> I did change the termination power to the bus but that didn't solve the
> I do have another device on that SCSI chain; it is a CD-ROM with SCSI id 4.
> As suggested, I disconnected it but it didn't solve the problem either.
> At boot time both SCSI devices are identified in the SCSI bus 0: Seagate
> ST15150N with id 0 and the CD-ROM player with id 4.
> When I attempt to boot Linux from the floppy sequence (linload & MILO -->
> kernel --> RAMdisk), there is sporadic dive activity--activity light and
> click-clack sounds--when the boot process begins, but once the boot hangs
> (after expanding the kernel and probing the SCSI bus) the drive activity
> light is on and there are no sounds coming from the drive other them the
> humming from spinning.
> Any other suggestions?
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