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Thread: RAM for 800MHz 15 inch flat-panel iMac

  1. #1
    Join Date
    Jan 2001
    Location
    Chicago, IL 60610
    Posts
    339

    Default RAM for 800MHz 15 inch flat-panel iMac

    Hello,

    I'm looking to max out a circa 2003-ish 15" flat-panel iMac.

    It came with 256MB and I had 512MB added as part of the purchase (MacConnection was blowing them out).

    I'm now thinking that replacing the 256 DIMM would be warranted in terms of squeezing the last bits of performance out of the machine.

    I've been told, if I understood correctly, that:

    512 MB PC133 Low Profile DIMM 512G4-133

    http://www.macgurus.com/productpages...ram.php#table7

    would be the DIMM to get.

    Would someone please confer and also tell me whether both DIMMs are user-serviceable or if only one is. If only one can be replaced, then I suspect that the upgrade I had done when I purchased the machine is the only one possible. The serial number is W8328033P19, if that helps. In fact, here's the basic stuff from System Profiler:

    <key>_name</key>
    <string>hardware_overview</string>
    <key>boot_rom_version</key>
    <string>4.5.1f1</string>
    <key>bus_speed</key>
    <string>100 MHz</string>
    <key>cpu_type</key>
    <string>PowerPC G4 (3.3)</string>
    <key>current_processor_speed</key>
    <string>800 MHz</string>
    <key>l2_cache_size</key>
    <string>256 KB</string>
    <key>machine_model</key>
    <string>PowerMac4,2</string>
    <key>machine_name</key>
    <string>iMac</string>
    <key>number_processors</key>
    <integer>1</integer>
    <key>physical_memory</key>
    <string>768 MB</string>
    <key>serial_number</key>
    <string>W8328033P19</string>

    Thanks in advance!

    Iver

  2. #2
    Join Date
    Aug 2001
    Location
    Grangeville, ID USA
    Posts
    9,142

    Default

    Only one DIMM is user accessible. The other one is a different type of module and is only accessible if you disassemble the powerbook.

    Rick (from California tonight
    molṑn labe'
    "I am a mortal enemy to arbitrary government and unlimited power. I am naturally very jealous for the rights and liberties of my country, and the least encroachment of those invaluable privileges is apt to make my blood boil."
--Ben Franklin

  3. #3
    Join Date
    Feb 2001
    Location
    on the landline, Mr. Smith
    Posts
    7,787

    Default

    Rick: Welcome home buddy!!!

    Rick meant imac, not powerbook. Anwser is correct though. One slot is easy to get too, the other is harder. Possible, but not a job for th average consumer.


    Here is the take apart guide for both inner and outer sticks, and details about cracking the main case to get at the inner stick of RAM. Done it a couple times, not too bad.
    "Imagine if every Thursday your shoes exploded if you tied them the usual way. This happens to us all the time with computers, and nobody thinks of complaining." -- Jef Raskin

  4. #4
    Join Date
    Aug 2001
    Location
    Grangeville, ID USA
    Posts
    9,142

    Default

    Quote Originally Posted by unclemac
    Rick: Welcome home buddy!!!
    Thanks! I think. Always strange coming back to California for a visit. More people in a strip mall parking lot than all of Idaho. And freeways, I've almost forgotten

    R
    molṑn labe'
    "I am a mortal enemy to arbitrary government and unlimited power. I am naturally very jealous for the rights and liberties of my country, and the least encroachment of those invaluable privileges is apt to make my blood boil."
--Ben Franklin

  5. #5
    Join Date
    Jan 2001
    Location
    Chicago, IL 60610
    Posts
    339

    Default Yeesh, I'm going to have to think about this...

    Hello Rick and UncleMac,

    Thanks for all the additional info (heh, Rick, I wasn't able to get that one reply back to you before you split for CA ;-)

    This sounds like it may be more than it's worth...I may wind up adding a Mac Mini to the menagerie instead. The thing's not slow, I was just thinking of maxing it out.

    BTW, what's a "Torx"? Is this like a miniature torque/driver tip? Sounds like a tool type I don't have.

    Thanks again for all the info those illustrated instructions are great!

    Iver

  6. #6
    Join Date
    Jun 2003
    Location
    UK
    Posts
    1,317

    Default

    Quote Originally Posted by revi
    ...what's a "Torx"? Is this like a miniature torque/driver tip?
    One of these:
    "illegitimis non carborundum"

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