RAM upgrade problem

Discussion in 'Hardware Q&A' started by Stalker, Aug 12, 2006.

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  1. Stalker

    Stalker New Member

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    hey guys, i hv an intel 845D AGP chipset on my comp. it has two slots for SD-RAM

    now, here's the problem
    i have 2 128 mb 133Mhz modules. i hv got my friends 256 mb 100Mhz module 4 some days. but when i try to put the 256 + 128 combination, the system detects it as 256 mb or sometimes refuses to boot up. i tried this with the other 128 module as well. 4 some reason the system does not detect the total RAM as 384. is this a memory timing mismatch??

    Also where can i find out the maximum RAM capacity supported by my mobo??
    will upgrading my BIOS help??
     
  2. satyamy

    satyamy Alive Again...

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  3. OP
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    Stalker

    Stalker New Member

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    i had checked it using @BIOS agent and it had said tat the max capacity was 512 mb.......................will try everest
     
  4. d

    d New Member

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    yea the clock speeds have to match i think.. else some mobos have an order of slots to put in diff speeds.. as in fastest in slot 0, next in slot 1 .. like that.. perhaps you cld check that out in the manual..
     
  5. OP
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    Stalker

    Stalker New Member

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    got everest...........ran report wizard says

    Memory Controller Properties:
    Error Detection Method 8-bit Parity
    Error Correction None
    Supported Memory Interleave 1-Way
    Current Memory Interleave 1-Way
    Supported Memory Speeds 70ns, 60ns
    Supported Memory Types ECC, SDRAM
    Supported Memory Voltages 3.3V
    Maximum Memory Module Size 4096 MB
    Memory Slots 2

    does it mean that i have 4 GB RAM capacity?? wat is ecc ram??
    this hasn't helped by problem. plz advice...
     
  6. vandit

    vandit New Member

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    ya the clock speeds have to match
     
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