Date: Tue, 23 May 2000 15:28:08 +0000 From: "Michael D. Crawford" <crawford@goingware.com> To: aic7xxx@freebsd.org Subject: 64-bit PCI with SCSI? Message-ID: <959095688_PM_BeOS.crawford@goingware.com>
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Hi, I see from the README in the latest development kernel sources (linux) that the aic7xxx driver supports the Adaptec 39160 card. This is a 64-bit PCI Ultra-160 SCSI . I'm about to build a server and want it to go real zippy and stuff. If I get one of these cards and put it in a 64 bit slot, will Linux use the 64-bit PCI bus? Is this something that's perhaps handled transparently by the PCI bridge or does it require a kernel version with 64 bit PCI enabled? Or perhaps will the 64 bit card work at the same speed as a 32 bit card even though it is in a 64 bit slot? They have cheaper Ultra-160 cards that go into 32 bit slots. BTW - I'm new to the list and sorry to be bugging you with such questions. I have a little knowledge of SCSI programming (mostly writing scanner drivers) and hope I can contribute something more substantive later. Regards, Mike Crawford crawford@goingware.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message
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