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CRASHED! A topic for SEVERE and immediate Hardware and Operating System FAILURES. We will try to get you up again. NOT for Optimization questions!


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Old 11th April, 2004, 05:13 PM
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Quote:
Originally Posted by Razorfish
Well sorta sorted the peoblem, i re installed windows xp from FRESH... iknow i know, long way round but hey. well the computer runs ok but i can run Battle feild 1942, i mean i can but, the load just takes ages... i can play basic games little tiberian sun. so whats going down, grapics card? Memory? processor? im not familiar with theis memory test? what is it? where can i get it? and oh yeah i dont have a floppy disc drive!

All clock settings and memory setting are normal.

Oh yeah THANKS TO EVERYONE WHOS REPLYED!
If it takes forever to load but runs fine once it is in memory then it sounds like a HDD to me. Long load times? Long boot times? Game plays fine but when it needs to go back to the HDD it slow frame rates to a crawl? Thoose are symptoms of an HDD going south. I urge you to back up your personal data now!

Memtest is a program that you can get right here at AOA files. It test the memory without booting up an OS. There is a floppy version and I think there is a CD rom version. Don't run out and buy ram without running this first. No sense in replacing something that isn't broken.

My money is on the HDD.
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Old 11th April, 2004, 05:16 PM
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Quote:
Originally Posted by JMa2969
BTW, what does the voltage clamp do?
Tim
I'm not entirely certain. I remember reading that they incorporate one, but I didn't read what it does.

DDR DIMMs have four voltage rails:

1) VDIMM
2) VIO
3) VREF
4) VSMB

Generally, VDIMM, and VIO are tied together and run at the same voltage. VSMB runs off the 3.3v supply. VREF is exactly half of VIO.

What I suspect they may do is clamp the VDIMM at 3.0v using an onboard regulator of some kind, and let the VIO go on up to whatever you set. The I/O buffers should be able to withstand the higher voltages a little easier than the core of the DIMM, and they would benefit more from the increased voltage anyway (able to drive a faster voltage swing on the bus). But that is just a guess.
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Old 11th April, 2004, 05:26 PM
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Quote:
Originally Posted by gizmo
I'm not entirely certain. I remember reading that they incorporate one, but I didn't read what it does.

DDR DIMMs have four voltage rails:

1) VDIMM
2) VIO
3) VREF
4) VSMB

Generally, VDIMM, and VIO are tied together and run at the same voltage. VSMB runs off the 3.3v supply. VREF is exactly half of VIO.

What I suspect they may do is clamp the VDIMM at 3.0v using an onboard regulator of some kind, and let the VIO go on up to whatever you set. The I/O buffers should be able to withstand the higher voltages a little easier than the core of the DIMM, and they would benefit more from the increased voltage anyway (able to drive a faster voltage swing on the bus). But that is just a guess.
Thanks Gizmo. You guys are a never ending wealth of knowledge and I really appreciate your response. Like I said, gotta learn somewhere. Maybe when I head back to college I will take that course on exactly what all the rails do and busses (I forget the name of the course but we have some REALLY good people at the local community college. They worked for major firms like IBM but got burned out and decided to teach...lol). BTW, did you catch that I finally got my download problem, well, of course you did. Sorry for being silly. You guys are great!!! :-)
Tim
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