Date: Fri, 26 Dec 1997 18:58:15 -0800 (PST) From: Burton Sampley <bsampley@best.com> To: Terry Dwyer 61 8 9491 5161 <tdwyer@io.telstra.com.au> Cc: hardware@freebsd.org Subject: Re: NCR810 (or 875) & Asus P55T2P4 & Overclocking ? Message-ID: <Pine.BSF.3.96.971226183502.1019A-100000@shell9.ba.best.com> In-Reply-To: <Pine.BSF.3.91.971227080928.3471A-100000@io.telecom.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
Terry, Thanks for the info. It's actually it's a P5-233MMX. The MB is rev 3.1 / BIOS rev 203. The memory is 4 32 meg simms (totaling 128meg), 60ns EDO, which was unfortunately purchased from a not-so-reputable store, so it could be the memory. It seems to run fine at 75MHz, though. I can't afford to replace the memory now. I'll just make do with 3.5X and 75MHz. I actually did a comparison of make -k world between 66 and 75 MHz bus speeds, 233 and 266 MHz respectively. Under the same conditions, with a make clean and /usr/obj being empty the difference was marginal; only 14 minutes faster at 75 MHz. Now that I have an extra SCSI controller supported by FBSD, I'm thinking of running 1 drive on each controller to verify if there will be any difference by reducing the traffic on the SCSI bus. I don't think this will make too big of a difference. My ultimate goal is to reduce my make world time. The best results so far have been 2:06:37 (I think that included building the profile libs). Oh, BTW, the cache is 512K on the board (no external PB module). To get 250 I had to drop the multiplier down to 3.0X. I tried it at 3.5X and 83 MHz, but couldn't even get into BIOS (if I did the math correct that would be almost 290 MHz, I doubt the motherboard could handle that!). - burton -
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.96.971226183502.1019A-100000>