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Question about BX board and mem

3

3putt

Senior member
abit bh-6 rev1.0 <- dont ever buy rev 1 🙂
windows me
256 meg pc 133
tnt2 ultra
monster mx300
ibm deskstar hd
cel 300A@450

Ok heres the deal it ran fine with 128 megs of mem, but when I upgraded to 256 megs of mem I get lockups in in all d3d and opengl games. Windows runs fine, and no lockups just 3d. Like I say ran fine with 128. Also I put mem into another machine and all was good. Oh yeah along time ago I tried to put 2-64 meg chips in and this happened. Im pretty sure its my abit mb, but has anyone else heard of this prob is there a setting in the bios i can change? Also if I set my aperture size to anything other than 4 3d doesnt work. If anyone has ever ran into this I would appreciate any help.

Thx
 


<< if I set my aperture size to anything other than 4 3d doesnt work >>


that effectively turns off AGP busmastering. does your videocard have an irq &amp; if it does, is it sharing it with any other devices??
as for your memory problem, I seem to recall that you have to insert your sticks of ram in a certain order but I could be mistaken. suggest you read the m/board manual thoroughly! 🙂
 
It sounds like you are still using the old RAM and have just added another 128 Mb. Is this correct? If so, did you leave the old RAM in the first slot and put the new one in the second slot? Are there other slots there? Sometimes putting them in the first and third works better than the first and second. Try some different configurations.
 
yeah it has its own irq..not sharing. I have a pretty cool computer store in my town so i took my 128 meg stick in and traded for a single stick of 256. Like I said tried 2 sticks along time ago and that was a no go, but for some reason just going from 128 to 256 has started causing crashes. I have the ss bios which is the latest. I think this board has been buggy since I bought it. I need to upgrade anyway huh 🙂 No if I can convience my wife hmmm oh well if u think of anything else.

thx
 


<< It sounds like you are still using the old RAM and have just added another 128 Mb. Is this correct? If so, did you leave the old RAM in the first slot and put the new one in the second slot? Are there other slots there? Sometimes putting them in the first and third works better than the first and second. Try some different configurations. >>


That's interesting. can you define why is it better if the RAM is in different slots? I'm having the same problem as 3putt has in a way...
 
Man, I wish I could stick with my BX til the end of time...

I'm a proud owner of a BH-6 myself.. w/ 300a o/c to 504 right now...

No problems here with mem, or 3d gaming...

This is unrelated I'm sure, but the only problems I ever had with gaming turned out
to be driver issues...

I just wish retailers would make good driver sets for their rendition
of Nvidia reference cards.......



ano.

www.anotech.net
 
Memory is very particular about what other memmory it will work for, ie on my board I have to stick the new stick in slot 1 and the older stick in the 3rd slot. If I don't the computer wont even boot.

Again at the risk of harping on, try running a memmory checker to see if the memmory is ok, if not try differnt combinations till it does.


 
i got a kingston pc133 256mb for my p2b-f a week ago...and not only did it not recognize 256mb...it also started crashing everything. this board is rock stable...it's a bx...and because of that...it doesn't like high density ram. i wish i asked this forum before i went to go buy one...oh well. maybe that's your problem...hope this helps.
 
it's not bx doesn't like high density,
it's bx can't support high density,
the early version bx chipset only supports up to 64Mbit unbuffered sdram chip.
later version bx chipset supports up to 128Mbit unbuffered sdram chip.

always check the mb manual and chipset documents/datasheet before purchasing new ram.

also, bx only supports ??x8 type sdram chip,
so don't think about getting any 32x4 or 64x4 type.

 


<< also, bx only supports ??x8 type sdram chip,
so don't think about getting any 32x4 or 64x4 type. >>


This may sound stupid, but how do you determine whether it's a 32x4 or 64x4 or ??x8 ram chip?
 
yep...terribly sorry about not making it clear. the 440BX DOES NOT support High density ram...i think the max is 128mb for a single-sided...well for my boards at least.
 


<< yep...terribly sorry about not making it clear. the 440BX DOES NOT support High density ram...i think the max is 128mb for a single-sided...well for my boards at least. >>


I've got a 128MB RAM with 8 chips on it and my ASUS P2B doesn't recognise it. What do you mean by high density RAM? I'm really consufed 🙁
 
Well I looked on abits site and its says my bh-6 will support 256 meg stick? My mb book says 128 but I guess with the later bios it is supposed to support 256.
 


<< This may sound stupid, but how do you determine whether it's a 32x4 or 64x4 or ??x8 ram chip? >>


first look at the product description, part number,
then go to ram chip manufacturer website to see the datasheet.

for example, kingston valueram 256M have 16 chips and 8 chips version,
they've different part number.

Not only cheapy-name ram manufacturers make x4 type,
Micron and Infineon also make this kind too.
Also, they also make x16 type too.



<< I've got a 128MB RAM with 8 chips on it and my ASUS P2B doesn't recognise it. What do you mean by high density RAM? I'm really consufed >>


Don't be fooled by &quot;high density&quot; used by those pricewatch vendor.
There is no &quot;high density&quot; type ram.
32x4 is not high density comparing to 16x8, both are 128Mbit, same density.
32x4 is just a different architecture - 4bit wide instead of 8bit wide.
in plain english, high density means higher size, you can call 128Mbit ram chip as higher density than 64Mbit ram chip.

Your 128MB DIMM has only 8 chips, so each chip is 16MB = 128Mbit.
Your P2B may have early version BX chipset that doesn't support 128Mbit,
so it doesn't recognise it, no surprise here.

Now you should be clear on this issue.



<< Well I looked on abits site and its says my bh-6 will support 256 meg stick? My mb book says 128 but I guess with the later bios it is supposed to support 256. >>


BIOS update can't fix this problem. You need a chipset upgrade which is quite impossible. Blame Intel.

 


<< 32x4 is not high density comparing to 16x8, both are 128Mbit, same density. >>


Cool, thanks for the explanation. BTW, just to reconfirm, ??x4 refers to either the 4bit wide arch instead of 8 rite?
 


<< I set my aperture size to anything other than 4 3d doesnt work >>


Do you mean that you get lockups when you try to run 3d programs? If so, try forcing your motherboard into 1X AGP instead of 2X. I think you can use NVmax to do that. If it works, you can use a registry hack to boot up into 1X mode permanently 🙂
 


<< Cool, thanks for the explanation. BTW, just to reconfirm, ??x4 refers to either the 4bit wide arch instead of 8 rite? >>


Right.

In deep, 16x8 means 4Mx8bitx4banks, 32x4 means 8Mx4bitx4banks.

All SDRAM chip is 4-bank interleaving, you can have 4-bank interleaving no matter how many DIMMs, how many sides, or how many chips. Some people are confused of the number of banks on the motherboard with this bank, they think they need 2 DIMM both are double side to get total 4 banks in order to get 4-bank interleaving.

I guess it's because 8M vs 4M, so they call 32x4 as high density.

 
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