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You are not logged in. [Log In] AppleCentral » Forums » Mods and Hacks » Desktop Mods
      » Hardware Mods » Any precautions to B&W to G4 conversion?
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#471525 - 05/06/07 06:10 AM Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
Bobdude161 Offline


Registered: 10/30/06
Posts: 9
I have a 350 Mhz B&W G3 fully operational, and a 450 Mhz G4 processor.  All I need now is a Sawtooth motherboard, right?.  I know there is probably a ton of of info about this, but the search on this forum is kinda shoddy (like oh so many other forums).

Could someone probably give a few quick links?  I'd hate for yall to repeat yourselves. 

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#471526 - 05/06/07 08:17 AM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
TCPMeta Offline
MacModder

Registered: 11/16/07
Posts: 1816
Loc: Florida, USA
Ebay is your best bet on getting a sawtooth logicboard. Everything else in the B&W in compatible so you don't need to worry about getting new memory and such.

As for the case there might be a few logicboard mounts that won't match up but it's a easy fix. Just use electrical tape to cover up the miss matched mounts. If you want to be hardcore about it you can drill or grind off the old mounts and buy new mounts from allelectronics.com

You might want to invest into a AGP video card sooner or later but if you're not planing to use the system for high end graphics then you don't have to worry.
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#471527 - 05/10/07 04:26 PM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
mordaskyt Offline


Registered: 01/25/05
Posts: 360
You need the sawtooth logic board as well as the front power panel, either an original from another sawtooth or wire your own but the B&W one will not work. Only one or two of the MB standoffs don't line up. Also the rear ports are not the same, just leave the bezel off or make your own from some scrap material. This mod is not to difficult to pull off.
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#471528 - 05/15/07 09:28 AM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
Bobdude161 Offline


Registered: 10/30/06
Posts: 9
Originally Posted By: "mordaskyt "

You need the sawtooth logic board as well as the front power panel, either an original from another sawtooth or wire your own but the B&W one will not work. Only one or two of the MB standoffs don't line up. Also the rear ports are not the same, just leave the bezel off or make your own from some scrap material. This mod is not to difficult to pull off.


lol i was about to say this.  I put the logic board in and then found out about that front panel.  :-[  Grrr.  I guess I'll wait another week to get that panel shipped from eBay.  And on that rear bezel I just used the old B&W one and cut the necessary holes.  Thanks for help!

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#471529 - 05/15/07 04:27 PM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
modyourmac Offline


Registered: 08/16/04
Posts: 500
Loc: Portland, Oregon
Also figure that you'd need the right jumper settings for the processor jumper. If you're dealing with B&W's and first gen G4's, they had a Jumper block on the logic board, which determined the speed of the unit. If you have it set incorrectly, you get plenty of fun boot issues.
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#471530 - 05/15/07 06:16 PM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
Waragainstsleep Offline


Registered: 02/13/05
Posts: 1723
You can substitute the jumper block for laptop hard drive jumpers, just look up the right pins to jumper.

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#471531 - 05/15/07 09:36 PM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
whitlock Offline

Moderator Emeritus

Registered: 06/07/04
Posts: 1266
Loc: Stoughton, WI USA
I know this sounds bad, but I actually used staples at one point as jumpers on the old B&W.  This doesn't really add much to the conversation, though...
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#471532 - 05/15/07 09:39 PM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
modyourmac Offline


Registered: 08/16/04
Posts: 500
Loc: Portland, Oregon
no, but it makes me wonder what you'd have used, if you hadnt had staples.

And no, I will not accept, "A hamster wrapped in tin foil." It has to at least be a gerbil.
_________________________
Electricity tastes good. No, seriously.

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#471533 - 05/15/07 09:53 PM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
whitlock Offline

Moderator Emeritus

Registered: 06/07/04
Posts: 1266
Loc: Stoughton, WI USA
Gerbils have better uses...
_________________________
MacBook 2GHz Intel Core 2 Duo w/ 2GB DDR2 RAM & 120GB SATA 5400RPM HDD
Canon Rebel XTI
Google Cr-48 Beta Laptop

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#471534 - 05/15/07 11:30 PM Re: Any precautions to B&W to G4 conversion? [Re: LadaNYsp]
TCPMeta Offline
MacModder

Registered: 11/16/07
Posts: 1816
Loc: Florida, USA
I used staples in my first B&W overclock. Then I found out you could remove the jumpers from the block and switch them around with a small jewel flathead screwdriver and a pair of tweazers
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