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Re: New PC Finally built :D

Posted on 2011-11-20, 02:26

The single core CPU beast era, when GPU's were starting to be able to do some crazy things, and do them really fast. I miss that era so much. I mean, yes, I love the new computers and what they can do, but for whatever reasons, I don't see as much of a difference going from say 3.4 GHz to 5GHz as …

Re: Hypothetical 5x86

Posted on 2011-11-20, 01:55

I was unsuccessful at 150 MHz on my MB8433-UUD, but this is likely a factor of my CPU not being up to the 150 MHz challenge. Were you able to install DOS at 150MHz (I was able to do that without much trouble), or did you just try WIN98SE? I figure all the money you need to dish out for the voltage …

Re: Hypothetical 5x86

Posted on 2011-11-19, 00:43

I'll look to see if I can get my hands on a 8433uud motherboard sometime, probably (if I don't already have one buried somewhere in here) to test if it's the board's northbridge or whatever else it could be. It looks like it'll be a while before I can afford to mod the voltage regulator, but thank …

Re: New PC Finally built :D

Posted on 2011-11-17, 16:32

Whats the point? Really, does your main rig not able to play some games? That this thing does? It is not even a Windows 9X machine! If his main rig is a 64bit system, then yes, it can play some games that his main rig can't. One of the major reasons I built a tulatin rig was for the small handful …

Re: Hypothetical 5x86

Posted on 2011-11-17, 16:26

I attempted two more tests at 150MHz and I must say, it feels like walking on a thin glass bridge over the Grand Canyon. It wouldn't let me install Windows 98SE so I'll have to consider it unstable at 4v. http://img403.imageshack.us/img403/3343/sstimg02.jpg Uploaded with ImageShack.us I noted that …

Re: Hypothetical 5x86

Posted on 2011-11-17, 15:56

Could you let me know which Cyrix enhancement features were enabled for this result? LSSER = 0 RSTK = 1 LOOP = 1 FP_FAST = 1 MEM_BYP = 1 DTE = 1 You'll still need a fan/heatsink with the peltier to remove heat from the otherside of the junction. The long-term stability of a peltier is questionable …

Re: Hypothetical 5x86

Posted on 2011-11-17, 02:16

With some of the stable cyrix enhancements on (finally started to figure it out), my computer yielded a paltry score of 82.6 6 . I couldn't get any more performance out of it using ram/cache tuning in BIOS, but I guess I'm lucky to have it even POST at only 4.0 volts. I'm not sure I'll do further …

Re: New PC Finally built :D

Posted on 2011-11-16, 22:23

That is an awesome system! I would only have changed out the video card (for my own purposes though) to an Nvidia 6800 Ultra. As for the Raptors, I never used them myself, but a few friends did and reported exelent quality, so hopefully there will be no problem there. :) I doubt you will have …

Re: Hypothetical 5x86

Posted on 2011-11-14, 16:09

A solid 138 MHz on maxspeed indictes to me that you are indeed running at 150 MHz. This is fantastic. Maxspeed always undershoots like this at frequencies above 100 MHz. I'm very happy to read this. :) I never thought I'd actually be running an IBM 100HF @ 150MHz (although I have a LOT of tuning to …

Re: Hypothetical 5x86

Posted on 2011-11-13, 19:17

http://img406.imageshack.us/img406/206/dsci0083m.jpg Uploaded with ImageShack.us I hope you find this at least mildly interesting. I couldn't get any readable pictures of speedsys due to being stuck with my crappy old camera for now, but speedsys identified the CPU as 120MHz and the memory speed as …

Re: Floppy machine

Posted on 2011-11-10, 20:55

in Milliways
Finally solved my problem with the SCSI interface for the 2.88 MB floppy drive. But instead decided to dig out my precision tools and found one that matched the funny screw heads so I could disconnect the drive from the SCSI tray and install it on the standard floppy interface. I have it connected …

Re: 486 motherboard

Posted on 2011-11-08, 03:20

in Milliways
That being said ive bought things from Japan, China, Ukraine, France, Singapore and hell, even from Uzbekistan! And never had a problems so far! My ebay feedback is 137. In those 137 transactions i only had two difficult episodes, and both were from American- Sorry- USA sellers. Make whatever you …

Re: 486 motherboard

Posted on 2011-11-08, 02:07

in Milliways
I should probably keep my mouth shut on this but since I'm such a troll I have to interject my opinion. Firstly, as much as you Canadians may want to deny it, you are in fact Americans. Just not United States Americans (kind of a mixed blessing if you ask me). Second, I love Canada! Lots of good …

Re: Hypothetical 5x86

Posted on 2011-11-08, 01:48

A sigh of relief. According to maxspeed.exe, the operating frequency was 120 (the screen kept flashing 121 and 138 so I'm pretty sure it was at 121). I haven't run any other tests so far aside from 3dbench2 and that yielded a score of 70.5 and a speedsys score of 68.67. When I changed the timings to …

Re: Cache chips

Posted on 2011-11-07, 20:13

First of all, thank you everyone for your very informative posts. You have solved a lot of issues for me with your technical but easy to read explanations. And your questions enable me to redirect my usually confused gaze to the correct area to solve the problem or at least embetter my knowledge of …

Hypothetical 5x86

Posted on 2011-11-06, 22:41

Ok, so IF I were to put together a 486 build for benchmarking (such as the one I'm planning on in the "cache chips" post), and I were to get my greedy hands on an IBM 5x86 100 and overclock it to 150 MHz (we'll just say "accidently" because I'm sure I'd actually be aiming for more like 120 MHz), and …

Re: Cache chips

Posted on 2011-11-03, 15:19

To be quite frank, its not possible. You have a single bank of 512kb chips. Which gives you 256kb. The only upgrade are 1mb chips. thus giving you 512k. HOWEVER, past 256k you will need to upgrade the tag ram. But if you look, your tag ram is the small 256kb chip. That chip cannot be upgraded as …

Re: Cache chips

Posted on 2011-11-02, 22:27

I've decided that I'm not going to change the cache chips on the Shuttle HOT-433 motherboard until I get some benchmarks out of it with the normal cache first and reacquaint myself with soldering/desoldering (also because of the negativity toward changing the chips that I received while discussing …

Re: Cache chips

Posted on 2011-10-31, 15:03

Dude 486 wont benefit from 12ns, even 15ns is overkill, these days there were mainstream 20ns and 25ns chips. First of all, thank you and everyone else for replying. Second, I was basing my observations on the slight difference between 20ns and 15ns in 5x86 benchmarks. But if I understand what you …

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