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Apple Computing Products:
macOS - Notebook Hardware
"Upgrade" iMac G3 to iBook G4
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<blockquote data-quote="chopcraft" data-source="post: 605277" data-attributes="member: 49743"><p>Hello All,</p><p></p><p>I have a 600MHz iMac G3 that works well with a new hard drive and some RAM. It runs 10.4.11 smoothly. But, there are some things I can't do, like run Logic Pro, or play most FLASH video, because my processor is slow and outdated.</p><p>I used to have a 1.06GHz G4 iBook, which ran most things, until it was removed from my car while I was stupid enough to leave it there.</p><p>And so we come to my theory: A G4 iBook logic board from a 12" computer could be fitted into my iMac, were I to remove the iMac's logic board. And the iMac's display utilizes a VGA signal, which the ibook produces. With some soldering and connecting, it should, theoretically, be possible to put an iBook's logic board in my old iMac. The power for the imac will come from the original supply, and the power for the ibook from its power adapter, which will be built-in. Also I would do some nifty things like leave the iBook's battery intact so that during a power failure, only the screen would be lost. But there is one concern, overall:</p><p>I've read somewhere on some website that the iMac G3's power supply will only supply power to the screen if it detects a current draw from the logic board. Which would mean, somehow, I'd have to trick the power supply into turning the screen on when I turn on the iBook logic board.</p><p></p><p>There are of course other considerations, such as the fact that the ibook will not likely power the larger speakers of the imac, although if I felt it was necessary I could build in a small seperate amplifier.</p><p></p><p>Sure would be neat though, don't you think?</p><p></p><p>Any thoughts on how or why I should or shouldn't do this would be appreciated. Tell me to go bleep myself too if you don't like my idea or face. Also I'd like to hear from anyone who does know about the power supply issue, if there is one, or any other schematic specifics.</p><p></p><p>-Colin</p></blockquote><p></p>
[QUOTE="chopcraft, post: 605277, member: 49743"] Hello All, I have a 600MHz iMac G3 that works well with a new hard drive and some RAM. It runs 10.4.11 smoothly. But, there are some things I can't do, like run Logic Pro, or play most FLASH video, because my processor is slow and outdated. I used to have a 1.06GHz G4 iBook, which ran most things, until it was removed from my car while I was stupid enough to leave it there. And so we come to my theory: A G4 iBook logic board from a 12" computer could be fitted into my iMac, were I to remove the iMac's logic board. And the iMac's display utilizes a VGA signal, which the ibook produces. With some soldering and connecting, it should, theoretically, be possible to put an iBook's logic board in my old iMac. The power for the imac will come from the original supply, and the power for the ibook from its power adapter, which will be built-in. Also I would do some nifty things like leave the iBook's battery intact so that during a power failure, only the screen would be lost. But there is one concern, overall: I've read somewhere on some website that the iMac G3's power supply will only supply power to the screen if it detects a current draw from the logic board. Which would mean, somehow, I'd have to trick the power supply into turning the screen on when I turn on the iBook logic board. There are of course other considerations, such as the fact that the ibook will not likely power the larger speakers of the imac, although if I felt it was necessary I could build in a small seperate amplifier. Sure would be neat though, don't you think? Any thoughts on how or why I should or shouldn't do this would be appreciated. Tell me to go bleep myself too if you don't like my idea or face. Also I'd like to hear from anyone who does know about the power supply issue, if there is one, or any other schematic specifics. -Colin [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
"Upgrade" iMac G3 to iBook G4
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