Date: Fri, 29 Oct 1999 16:32:33 +0200 From: Olaf Hoyer <ohoyer@fbwi.fh-wilhelmshaven.de> To: naddy@mips.rhein-neckar.de (Christian Weisgerber) Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: IDT WinChip? Message-ID: <4.1.19991029162608.00bcab70@mailserv.rz.fh-wilhelmshaven.de> In-Reply-To: <7vbvua$s7r$1@bigeye.rhein-neckar.de>
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At 13:20 29.10.99 +0200, you wrote: >Is anybody successfully running an IDT WinChip in an old Pentium board? > >Configuration: >CPU: IDT "WinChip" W2A-233 >Board: Asus P55TP4N, BIOS rev. 0302 (latest) >OS: FreeBSD 4.0-CURRENT (Oct 26), "cpu I586_CPU" > >Problem: >The system crashes very quickly on its way to multi-user or soon >thereafter. "Page fault while in kernel mode". Crashes seem to >relate to disk activity, and occur typically in file system related >calls such as open(). No overheating. The same system is solid with >a Intel Pentium-100 CPU. > HI! Well, I ran the old version of the C6 with 180 Mhz in an crappy PCChips-Board 3 months under Windoze NTwithout any probs The chips should have been certified also under several Unices for operation. Also the Asus board is know for some stability, I also put together some boxes with that board. Thermal issues are non-important (at least the old Winchip was able to run 2*50 MHZ=3D100 MHz) without any cooler without probs... It is imaginable that some power-saving code in -current does not work properly with the IDTs Or that the bus speed is too high and out of spec. (some series needed to do 75*3, like Cyrix) Possibly other problem could be the 1st level cache, which is a bit bigger and different organized than that from a Intel chip. Regards Olaf Hoyer P.S. Private Mail in german welcome... - - - - - - - -=20 Olaf Hoyer ICQ: 22838075 mailto: Olaf.Hoyer@nightfire.de home: www.nightfire.de (The home of the burning CPU) Wer mit Ungeheuern k=E4mpft, mag zusehn,=20 da=DF er nicht dabei zum Ungeheuer wird. Und wenn du lange in einen Abgrund blickst, blickt der Abgrund=20 auch in dich hinein. (Friedrich Nietzsche, Jenseits von Gut und B=F6se) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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