starcraftmaster Posted November 6, 2008 Share Posted November 6, 2008 hey i got a 133 sd 256mb of ram stickwhen i put it in a computer the computer and bois dectecs it as 128mb of rami have tryed it on two computers and both say thisso is it bad ram? Link to comment Share on other sites More sharing options...
starcraftmaster Posted November 6, 2008 Author Share Posted November 6, 2008 it is not a double sided ram stick Link to comment Share on other sites More sharing options...
bonestonne Posted November 6, 2008 Share Posted November 6, 2008 no, the single sided 256mb RAM is high density, most computers had issues with that (although somehow just about every Compaq i ever tried worked fine with it).the RAM is fine, the motherboards just can't read the density. Link to comment Share on other sites More sharing options...
starcraftmaster Posted November 7, 2008 Author Share Posted November 7, 2008 so i can make it 256 at all on my computer Link to comment Share on other sites More sharing options...
eyeball Posted November 7, 2008 Share Posted November 7, 2008 With that motherboard you will not be able to see more than 128Mb per RAM slot it would seem. Link to comment Share on other sites More sharing options...
starcraftmaster Posted November 7, 2008 Author Share Posted November 7, 2008 but in one slot i got a 256 mb mb stick with is double sided Link to comment Share on other sites More sharing options...
FishBowl Posted November 9, 2008 Share Posted November 9, 2008 (edited) There may be several reasons for such a module to be recognized falsely:- mainboard chipset: for example, i44BX may have three slots, but the center one would not accept double sided architectureor the inner architecture of the chips requires to be handled as two banks, also not working on the inner slot, nor on one of the outer, with the inner occupied in any way- module chip layout;again, depending on chip's inner architecture, the mainboard may fail to work with 256 MB modules with only four or with 16 chips on iteight chips may then normally work- bad / old mainboard BIOS- another RAM module inside, that blocks resourcestry the 256 MB alone, first slot- badly programmed SPD EEPROM, try to disable auto detection in BIOS setup...Don't take the single sided / double sided aspect to serious, as even if both sides of the module are equipped with chips, they may still be electronically arranged as single sided / one bank, and vice versa.In many cases, though not always, four chips or sixteen chips are double sided / two banks, eight are single then.Of course, only talking single data rate SDRAM here. Edited November 20, 2008 by FishBowl Link to comment Share on other sites More sharing options...
starcraftmaster Posted November 10, 2008 Author Share Posted November 10, 2008 would a bios update doing any thing?my bios is old so not sure were i would find one Link to comment Share on other sites More sharing options...
sleepydvdr Posted November 10, 2008 Share Posted November 10, 2008 That's exactly what I was going to suggest. Go to the website of your motherboard's manufacturer. Just make sure you get the right bios or you may corrupt the system. Also remember that you will lose all your settings in the bios, so you may want to take note of your current settings. Link to comment Share on other sites More sharing options...
puntoMX Posted November 11, 2008 Share Posted November 11, 2008 but in one slot i got a 256 mb mb stick with is double sidedIt is seen as 2 banks, (eg. 0 and 1), I think that is what eyeball wanted to say.Of course, only talking SDRAM here.Remeber that we still use SDRAM when we are talking about DDR/DDR2/DDR3/DDR4 . Link to comment Share on other sites More sharing options...
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