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#1
11th Oct 2009, 10:55
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Hi all I was wondering if anyone could tell me if on a motherboard if it is the bios that determins what amount of ram a perticular board will support, for example if a motherboard is listed as accepting DDR 64/128/256/512 MB moduels would getting someone to re write the bios ROM and adding 1024 MB so the above mentioned would be 64/128/256/512/1024 MB. Would this ad support for 1025 MB moduals to the motherboard or is this taken care of by the north or south bridge.
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#2
11th Oct 2009, 11:16
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It depends on whether it's a architecture that uses integrated memory controllers (in which case it's on the CPU) or a northbridge (in which case it's the chipset), but either way it's usually not modifiable by software. The chipset or IMC is what fundamentally limits how much RAM can be on the board.
I think if you're trying to add 1GB modules to a old DDR board then you might want to look into a new system.
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"I loved the P182 so much that, when my wife's system was all noisy and needed all sorts of cleaning, I bought her one. Then, when I wanted a cat, I bought a P182. The P182 is not a cat per se, but it's still an excellent buy."
My System: 日夏子
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#3
11th Oct 2009, 11:23
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thanks carbon got an old medion MD5400 FID2010 laptopo for my GF to use and have ordered a 1GB DDR PC2100 modual but have since found after serching for ages on the web a user manual that says.
Your notebook is fited with 64/128/256/512 MB fast DDR SDRAM. This makes me belive that the 1024 MB module I ordered will not work I know the board supports 1GB but from what I read above it will only take 512MB per slot. Oh just out of curiosity what is a IMC and does a chipset or IMC? have firmware installed on them |
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#4
11th Oct 2009, 13:35
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The northbridge chipset is simply the chip that handles crosstalk between the CPU, RAM, and graphics adapter lanes: the really fast stuff.
The IMC is an integrated memory controller and it does what it's name says - it handles all the functions of the RAM, but it is integrated onto the CPU instead of being on the motherboard. Integrated memory controllers are common on AMD-based machines and new Intel ones. It is possible but unlikely that a firmware (BIOS) flash will enable higher-capacity RAM - you might give it a shot, but I think you'll have to send it back.
__________________
"I loved the P182 so much that, when my wife's system was all noisy and needed all sorts of cleaning, I bought her one. Then, when I wanted a cat, I bought a P182. The P182 is not a cat per se, but it's still an excellent buy."
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