Date: Sat, 18 May 1996 12:38:26 -0700 From: "Justin T. Gibbs" <gibbs@freefall.freebsd.org> To: "Johan Granlund" <johang@algonet.se> Cc: stable@FreeBSD.ORG Subject: Re: AHA2940UW with nonultra disks broke. Message-ID: <199605181938.MAA15943@freefall.freebsd.org> In-Reply-To: Your message of "Sat, 18 May 1996 17:51:34 -0000." <199605181454.QAA27423@hermes.algonet.se>
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The problem is that the 5.7MHz syncrate seems to be invalid when in Ultra mode. The fix I'm working on now is to dynamically enable/disable ultra mode on a per device basis so that the entire range of sync rates are availible to all devices. Although the driver worked before, it was improperly reporting 10MHz when the setting really resulted in 5MHz (Not all settings are clock doubled when in Ultra mode). Unfortunately, the documentation on how the aic7880 works in Ultra mode was unavailible when I did the work and the information I used came to me through "unofficial" channels. Now that the documentation is availible, my copy is still on back order. 8-( -- Justin T. Gibbs =========================================== FreeBSD: Turning PCs into workstations ===========================================
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