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Upgrading Emac G4 1.25. Any RAM, SuperDrive, Hard Drive recommendations?

35898 Views 12 Replies Latest reply: Oct 29, 2010 11:38 AM by Mr Sween RSS
su30 Calculating status...
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Oct 29, 2010 11:35 AM
Hi All,

My emac has served me well for last 3 years and have now decided to upgrade it with 4 things.

1.) Ram - shall slot in 2 1GB sticks as it seems to work for many and would have obvious advantages
2.) Airport Card - since i have a wireless router and should be easy to install

Now this is where i am seeking help..

3.) Changing the Combo drive with a super drive ie burn DVDs as well in the future

How do i do it? Any prefered brand? Any caveats? Any think to look for?please advise

4.) Upgarding my internal HD (trying to avoide an external one to keep it neat)

I saw some instructions on forum and i think i would be up for the job, however

Can i use any standard internal HD or do i need to have a particular specs matched?
Whats the max i could go upto - can i install a 500 GB drive?
Can i use a faster HD - i mean with faster rpm

Lastly - if i carry all of the above Upgrade is it wise to do them all together since i open it any ways or do 1 at a time and see how it goes.

Any advise greatly appreciated.........

Many thanks in advance.
emac G4 1.25, 512 MB Ram
  • a brody Level 9 Level 9 (62,010 points)
    Welcome to Apple Discussions!

    identifies your eMac.

    tells you if your eMac has any airport limitations.

    Once you have identified your eMac, check the RAM upgradeability based on the spec pages:

    Do not attempt to install more than specs recommend, as that may break down Mac OS X.

    Installing a Superdrive is not a task for mere mortals. Your Firewire port is a safer bet for installing an external Superdrive such as those by or other compatible Superdrives which are frequently listed on

    Note, you may be limited to what hard drive you can install internally according to this article:

    The eMac only supports Parallel IDE hard drives, and not SATA hard drives for internal drives, and the jumper configuration should match what is inside the machine. The installation should be left to an authorized repair center. If the above article 86178 article doesn't apply to you, yes a 500 GB Parallel ATA drive would work.

    Most except the hard drive and internal optical drive you can do yourself.
    iMac C2D 2.17/20 inch/iMac G5 1.8 1st gen/iMac G4 800 Mac OS 9, Mac OS X (10.4.10), AppleTV, Samsung TXP-3064W HDTV, Sony Ericsson Z525A phone
  • JMVP Level 6 Level 6 (16,840 points)

    If you really need to minimize desktop space by swapping out the internal optical and hard drives, despite a brody's warning about it being far easier to just use external Firewire drives, refer to Apple eMac Upgrade Guide (and be very, very careful when separating the case not to pull the power button connector apart; it's relatively fragile and not easy to find a replacement).
    eMac 700MHz, Mac OS X (10.4.10), 640Mb RAM ABS Snow LaCie D2 HD; Quicksilver G4 768 MB RAM LaCie D2 DVD-RW
  • roam Level 6 Level 6 (13,545 points)
    If i decide to go in for a external harddrive with USB 2.0 and no power supply , should that be fine?

    No, you would be selling yourself short there. Go with a Firewire enabled external drive, as it is faster but more importantly it gives the ability to boot into a clone. So it can be more than just a backup; with Firewire it can have a completely different Mac OS on it that you could boot into. But even with the same OS, it will allow you to boot up to the external if for any reason your internal has failed or needs repairs. You can't do this with a USB.

    Message was edited by: roam
    eMac G4 1Ghz ; iBook G4 800Mhz
  • a brody Level 9 Level 9 (62,010 points)
    That Hitachi won't work with your eMac. Only Parallel ATA will work.
    iMac C2D 2.17/20 inch/iMac G5 1.8 1st gen/iMac G4 800 Mac OS 9, Mac OS X (10.4.10), AppleTV, Samsung TXP-3064W HDTV, Sony Ericsson Z525A phone
  • kenf1v Calculating status...
    I am not any kind of expert on this subject but I found 'Crucial' (site link below) very helpful and the lowest prices for memory upgrades. (then select a country)

    This site can automatically test your Mac online and recommend the compatible memory. The eMac 1.25Mhz chip I believe has a maximum memory ceiling of 1Gb, so I suggest you buy one more 512mb memory stick to add to your existing. As for increasing the hard drive capacity, I bought a SmartDisk 250Gb external drive with 7200rpm and it is blindingly fast with FireWire connection. An added bonus with this drive is the BounceBack backup software included which works like a dream and incredibly fast. Files deleted from your main internal drive are not deleted from your external, so you can clear out lots of old stuff from the main internal drive. On average the BounceBack software takes one minute to backup about 500mb of updated files. As for the Superdrive, again I think it might be far easier and also write DVD's faster using an external drive with perhaps Toast 8 Titanium software included in your burner bundle. This would also facilitate copying any files from DVD to DVD, etc..
    eMac 1.25, Mac OS X (10.4.10)
  • jon gallet Calculating status...
    Crucial do indeed suggest a maximum of 1gb RAM in a 1.25 eMac. However they are wrong, they can take 2Gb.
    emac, Mac OS X (10.4.10), 1.42 emac 1.5Gb RAM, 1.25 emc 768Mb RAM
  • faciols Calculating status...
    if i try to define my emac model reading the code in "information about this mac", i find an invalid serial number (it means that my resulting s/n there is not in the table of
    d'you know why and how i can read the correct s/n?

  • bob mandel Calculating status...
    I've been running 1.5 GB for over a year now in my eMac G4 1.25 with no problem. Very stable.
    With memory and external hard drive prices so low right now, get an external firewire drive for the reasons other have stated: they are fast, cheap, and you can boot easily from them.
    eMac 1.25 gHz; MacBook Pro 2.33 gHz, Mac OS X (10.4.10)
  • Mr Sween Calculating status...
    Have 2 Gigs in mine. Bought an external USB2 hard drive, instead of opening the eMac, drive that can be use on other Mac for saving precious data. Btw, USB2 external drives are really really low price these days. And if you buy a DVD burner just for saving data, the USB2 external drive would do the job. If you need it for iDVD, go for external. These are also kind of low price too.
    iMac 2.0Ghz 2007 20", Mac OS X (10.4.10)


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