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  Tom's Hardware UK and Ireland Forums » Motherboards & Memory » Memory » I have 512mb DDR but only says 480mb, why??
 

I have 512mb DDR but only says 480mb, why??

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 Thread : I have 512mb DDR but only says 480mb, why??
 
DarcyHart
Profile: stranger
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n°1781387
08-05-2008 at 12:30:01 AM

hello, my PC is old and am getting a new one hopefully,
on my current computer i had one stick of ddr 256mb, the PC only picked up 200 and something. for the mean time- before my new PC i thought as small RAM was cheap i would stick another in there, so i put a second 256mb stick into the second slot.
i now have 512mb but my PC is only picking up 480... ??? why is this!! i checked it by going to My computer>properties... the typical way.. i also tried it on the Crucial website, that confirmed that i DID have 512 but where is that 32mb going?? is part of RAM reserved or something? cheers :D. i will answer to any replies if needed, cheers vmuch :D

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royalcrown
Reformulated with 20 percent less ahole !
Profile: nimble knuckle
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n°1781388
08-05-2008 at 12:38:04 AM

Yes Darcy...I am guessing you use onboard video, the video connector on your motherboard, it uses part of your system ram. Usually in 32, 64, 128...etc up to 512k...you get the idea :)


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X2 5400+, Biostar TA780G M2+ MATX, 2 gig mushkin, 8800gts 512 , CM 532, Kingwin 450w ATX 2.2

"Now if the 4870x2 was actually notably faster than the 280 for about the same price, then I might even take a chance on it. However, that won't be the case."
royalcrown
Reformulated with 20 percent less ahole !
Profile: nimble knuckle
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n°1781389
08-05-2008 at 12:41:33 AM

BTW, without a seperate..."video card" new systems do the same thing, the newest motherboards can "share" up to 512k of your system ram...it won't really hurt it, but if you get into online games like world of warcraft, even a cheap video card would be lots better (if it is a desktop) and stop sharing your memory


---------------
X2 5400+, Biostar TA780G M2+ MATX, 2 gig mushkin, 8800gts 512 , CM 532, Kingwin 450w ATX 2.2

"Now if the 4870x2 was actually notably faster than the 280 for about the same price, then I might even take a chance on it. However, that won't be the case."
lunyone
Work smarter, not harder!!
Profile: Honorary Poster
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n°1781392
08-05-2008 at 12:45:24 AM

I'd say RC is correct, he just beat me to the punch :) I'm sure your onboard GPU is taking 32mb of DDR for it to run. Usually you can change the amount in BIOS, if you feel you don't need all 32mb's worth.


---------------
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8800gtx w/e6600 OC'd will run on Antec 380w w/27A on 12v rail, PSU!!
royalcrown
Reformulated with 20 percent less ahole !
Profile: nimble knuckle
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n°1781396
08-05-2008 at 12:50:01 AM

well lunyone, the 32mb is a dead giveaway...heheh


---------------
X2 5400+, Biostar TA780G M2+ MATX, 2 gig mushkin, 8800gts 512 , CM 532, Kingwin 450w ATX 2.2

"Now if the 4870x2 was actually notably faster than the 280 for about the same price, then I might even take a chance on it. However, that won't be the case."
jerreece
Profile: enthusiast
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n°1781400
08-05-2008 at 01:08:04 AM

First thought when I saw the threat title. Integrated video processor. Royalcrown is dead on.


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Intel Q6600 G0 SLACR / XFX 680i LT SLI / 8800 GTS (G92) / Antec TPQ-850
4x1GB Corsair XMS2 DDR2-6400 (800Mhz) / WD 400GB SATA 3.0
Windows Vista Ultimate 64bit SP1 / Thermaltake Armor 8003BWS
Nik_I
Profile: addict
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n°1781403
08-05-2008 at 01:14:46 AM

yep without a doubt its the onboard video. when i set up my new system i initally used the onboard video and it was set to 256MB dedicated. as a result i had only 1.75GB of usable system ram. that's why pc oem's often mention that a video card has dedicated memory rather than shared memory. a lot of people don't realise that when they buy.

DarcyHart
Profile: stranger
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n°1781405
08-05-2008 at 01:20:50 AM

lol wow, what a forum... this forum is really good. iv been looking for a decent forum to join. WELL I HAVE COMPLETED THE SEARCH :D! lol im here to stay

DarcyHart
Profile: stranger
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n°1781407
08-05-2008 at 01:35:22 AM

cheers for your help people!

royalcrown
Reformulated with 20 percent less ahole !
Profile: nimble knuckle
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n°1781408
08-05-2008 at 01:51:20 AM

welcome aboard


---------------
X2 5400+, Biostar TA780G M2+ MATX, 2 gig mushkin, 8800gts 512 , CM 532, Kingwin 450w ATX 2.2

"Now if the 4870x2 was actually notably faster than the 280 for about the same price, then I might even take a chance on it. However, that won't be the case."

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