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well since i dont feel like writing another super long post again ill Just leave https://forums.macrumors.com/threads/diy-g4-cpu-upgrade-round-2-putting-the-power-into-flowerpower.2040272/here :) I have to thank Max1zzz for all the effort and work he put into my iMac G3 for me :)

Awesome! glad to see the G4 Pismo thing is working well for you :)   I say you should be able to clock the 500Mhz 7410 to at least 550Mhz with out any issues, my 500Mhz 7410 is happily stable at 600Mhz in my Pismo :) im still doing some work on it but I do have something quite Awesome to...

Yeah thats what I have found as well hence the some point comment, at that price point it aint terribly high up on my priorities :) its a shame the 4400 is so buggy at a firmware level as its not a bad computer otherwise

I dont know the dip switch settings off the top of my, head you will have to google for those or check the box it came in if it has one. but yeah if its showing up as 1.6Ghz in a GigEthernet G4 then your going to have to adjust the dip switches for a quicksilver otherwise it would run too fast...

Np most of the PDFs/product sheets are out there with a little bit of googling and use of the wayback machine :) I have been keeping an eye on ebay for PPC CPUs and i spotted some 740s I might at some point grab one of those and see if I can slap it in to my PowerMac 4400 as the MPC740 and...

indeed there must be voltage jumpers :) here are some data sheets http://datasheets.chipdb.org/IBM/PowerPC/7xx/PowerPC-740-750.pdf this ones for the PPC750L (LoneStar) http://cache.nxp.com/assets/documents/data/en/fact-sheets/MPC750FACT.pdf?fsrch=1&sr=2&pageNum=1 handy not quite...

Just figured id make a quick post about something I noticed in that I think the 333Mhz tray loading iMac Max did at the start of this May have used a 2.6v 750 it would explain why it ran so hot and never clocked past 400Mhz my thinking for it being a 2.6V 750 is that despite it being stated...

what was the 1.6Ghz CPU tested in? if it was tested in a Sawtooth or Gigabit ethernet G4 then it has probably been set to a x16 multiplier for the 100Mhz bus. so for a DA or QS you would have to change that , (16x133 is 2.1Ghz LOL) for a 133Mhz bus you want the 12x multiplier BTW you can also...

thanks for the Shots :) looks like your CPU was made week 41 1999 I also see you have what looks like a Radeon 9200 Mac edition fitted :) indeed you can over clock the BW G3

just reading the system Profiler Rev 2.6 G4... do you mind taking the heatsink off and grabbing a picture of the CPU for me please? in regards to the system profiler shot as bunn says its completely normal just a fun little "typo" apple left :)

Yeah thats what i was thinking :) it would be case of finding 1MB Cache chips then im not sure if there rare or really common not looked into it actually LOL I know max linked to some cache chips earlier in the thread but i think those where 512KB cache chips? (all 750/7400/7410 Macs I have...

cool sounds like a plan :) next big thing to try on a clamshell would be upgrading the L2 cache, trust me L2 cache makes a world of difference on these old Macs :) 512KB is much better then none but 1MB would be even better :) (the chip does support 2MB of L2 cache but im not sure if that...

Very nice :) good to see you have the thermals under control enough to do a GB run, 255 thats a nice fast iBook clamshell :) Btw  I noticed your using GB2.2.0 thats the latest version for tiger but for leopard 2.2.7 is the latest :)

Very nice! Thanks :) they are appreciated. good to see you got leopard optimised i have a Leo OS9 combined image i made and i disabled spot light for that reason as indexing will just eat the CPU. indeed an SSD should perk it up a bit I had my Pismo fitted with a 16GB fast CF card for a little...

wow! even though i had a strong feeling it would work its still so amazing! :) the first iBook clamshell running a production version of leopard :D does everything on the iBook work in leopard like Sound sleep brightness control etc? id think it should... btw got any system profile shots in...

Ill think about it (I just spent a lot of dosh recently so not sure if i can budget one) but good to know there is one available and that shipping aint as bad as i was expecting :)

it might be worth it to fit a DVD drive to that clamshell also Good to see its now Fully detecting the G4 :) BTW do you have any more clamshells for sale and what shipping to the UK is like? just wondering :) (I would not mind making a G4 clamshell my self)

Very awesome! :) told ya the firmware update would solve the issues :p Does System profiler/Open Firmware properly identify the CPU now as a PowerPC G4? (it should) Just need to solve the Thermal issues now and run leopard :) (and maybe figure out how to upgrade the L2 cache to 1MB hell...

trust me I have had a lot of experience running OS X (leopard inc) on vastly incompatible/unsupported hardware :) check out some of my posts over on Mac Rumours for some details :) (10.4.11 on a 604 anyone? :) )

I dont know what sort of issues your having with leopard (if you could describe them it would help a lot) but i have seen firmware updates help with leopard (specify a G4 cube). in regards to OS9 you may be able to boot (albit slowly) from a USB stick of some kind or if your HDD has OS9 drivers...