Messages in this thread |  | | Subject | 3 ultra100 controllers | From | "T. Ryan Halwachs" <> | Date | 04 Sep 2002 11:19:50 -0700 |
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sent this to promise:
> -----Original Message----- > From: T. Ryan Halwachs [mailto:halwachs@cats.ucsc.edu] > Sent: Monday, August 26, 2002 4:18 PM > To: support@promise.com > Subject: 3 ultra100 controllers > > > hi, > i am trying to use three Promise technology controllers in one system. > the promise bios only shows drives attached to the first 2 controllers. > how can i use the drives attached to the third controller? > > cheers, > ryan > > >
got this in reply:
> From: support <support@promise.com> > To: 'T. Ryan Halwachs' <halwachs@cats.ucsc.edu> > Subject: RE: 3 ultra100 controllers > Date: 28 Aug 2002 08:23:29 -0700 > > Hi Ryan > Sorry you will not be able to used 3 ultra100 in single system. > 2 is the most. > > It's All About Your Data! > > Kevin Huynh > Reseller Technical Support. > Promise Technology, Inc > 1745 McCandless Dr. > Milpitas Ca, 95035 > 408-228-6300 > >
from pdc202xx.c in 2.4.19-ac4
/* * linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002 * * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> * * Promise Ultra33 cards with BIOS v1.20 through 1.28 will need this * compiled into the kernel if you have more than one card installed. * Note that BIOS v1.29 is reported to fix the problem. Since this is * safe chipset tuning, including this support is harmless * * Promise Ultra66 cards with BIOS v1.11 this * compiled into the kernel if you have more than one card installed. * * Promise Ultra100 cards. * * The latest chipset code will support the following :: * Three Ultra33 controllers and 12 drives. * 8 are UDMA supported and 4 are limited to DMA mode 2 multi-word. * The 8/4 ratio is a BIOS code limit by promise. * * UNLESS you enable "CONFIG_PDC202XX_BURST" * */
is it possible (using Linux) to run 3 (or more) PDC20267 based ultra100 cards in the same machine?
cheers, ryan
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