From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: To: Steve.Grady@csiro.au Cc: a_eisner@eisner.com, parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] SCSI Disks on a K580 Help Required In-Reply-To: Message from Steve.Grady@csiro.au of "Mon, 26 Aug 2002 11:03:18 +1000." <49AA3A3C863E5B4C911320AEF99E5DA3010CCCC4@wing-ep.tip.csiro.au> References: <49AA3A3C863E5B4C911320AEF99E5DA3010CCCC4@wing-ep.tip.csiro.au> Date: Mon, 26 Aug 2002 09:38:40 -0600 From: Grant Grundler Message-Id: <20020826153840.905F0482B@dsl2.external.hp.com> Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: Steve.Grady@csiro.au wrote: > > "First try." The internal disk drives in the K580 are fast wide > > differential. The differential is high voltage differential, not low > > voltage differential. Could be that the Maxtor 4.5GB UW is > > the wrong type. > Well I hope I have not damaged the drive HP tested that. The NCR 53cxxx chips "tristate" the bus when the wrong signaling is used. You can smoke devices by adding/removing termination will the bus is active (ie disconnect a cable). grant