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......  on THREE different machines:  - Mac Mini G4 (built from Elliot Nunn's modified Mini G4  ............ ) - Power Mac G4 MDD (built from the special MDD ROM from Apple&# ............  was notable because, unlike the Mini and MDD, it didn't involve a specialized machine- ............  possibly also be used in some (or all) of the non-MDD G4 towers as well (Sawtooth, Gigabit, Digital  ............  folder at boot; the whole system's input freezes during that window, including on stock machines.  ............  devices behind a Hi-Speed hub will not work - MDD's Sleep function is still deactivated when  ............  (because I don't own them):  - All non-MDD G4 towers (via USB 2.0 PCI card) - Aluminum G4  ............ , G4 iBooks, and late model G4 iMacs and eMacs (on- ............  underway:  - CardBus USB 2.0 solution for G3/G4 PowerBooks - eSATA drivers for LaCie PCI cards  ......
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Hardware / System 7 natively boots on the Mac mini G4!
« by Jubadub on November 27, 2025, 10:13:03 AM »

......  and beautifully-running on all four Mac mini G4 models for close to 8 years now. (Wow!)  Well,  ............  machines, even more so the likes of the Mac mini G4, to NATIVELY boot System 7:    (Gotta love it  ............  Mac OS version, such as the two DLSD PowerBook G4s (15", 17"), these patches cannot do anything  ............ , which are essential on the likes of the Mac mini G4 and the MDD. Special notes for the Mac mini G4  ............  of OSes I have attempted, all on the Mac mini G4 1.5GHz model, with the following results:  -  ............  words, Mac OS 8.5 does not know what the Mac mini G4 is, nor what a G4 Cube is (our Mac mini G4 ROM  ............  up to a certain point, after which they might freeze, requiring you to Force Quit the Finder to keep  ............ .5 and 8.5.1, especially on G3s and earlier. Some G4 Macs might need to spoof the Mac model in Open  ............  by its own specialized Mac OS ROM, which spoofs a G4 Cube, which is clearly not in the whitelist of  ............ , the better! Imagine if we had a proper "Mac mini G4 System 7.5.5" CD, then an "MDD Mac OS 8.5.1" CD,  ............  OS 7.6.1" CD, and so on. Everyone with a G3 or G4 Mac can help by trying things out!  Namely,  ............  very useful for Rairii) to re-apply the Mac-mini-G4-specific ROM patches to Rairii's latest 10.2. ............  you don't have to: Originally, the Mac mini G4 ROM as we see them in RossDarker's Mac mini  ............  in the end, even when digging the old Mac mini G4 thread again that started it all. Perhaps because  ............  (latest Rairii 10.2.1 + latest Mac mini G4 patches AKA v9 patches), and from what I could  ............  9.6.1 ROM was also modified to spoof the Mac mini G4 model identifier as a G4 Cube, we also tried to  ............  that, and so it was quickly changed back to a G4 Cube and such a change never made it into one of  ............  years has had a ROM reporting to the OS as a G4 Cube, exclusively.)  To apply the Mac mini G4  ............  CHRP discs, ELN for engineering all the Mac mini G4 ROM compatibility scripts and creating all the  ......
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Hardware / Re: OS 9 Wakeup Issues
« by Cashed on January 26, 2022, 05:17:46 AM »

......  and welcome!  Gratz on getting your hands on the G4 MDD, and great work on dual booting. Please have  ............  Search the Entire MacOS9Lives forum. MacOS9Lives: G4 MDD Freeze MacOS9Lives: G4 DA dying PSU, easy fix  ............ : The ATX2AT Smart Converter MacRumors: G4 MDD Freezing After Sleep -some macos9lives member  ......
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Hardware / g4 mdd freeze with mouse control
« by ettore on August 19, 2015, 11:19:40 AM »

...... ...i am a newbie os9 user.I Have a g4 mdd dual 1.25 with a new 160gb hd,ati 64mb,os rom  ............  a lot of apps but rarely and suddenly the os freeze with the pointer controlled by the mouse, and the  ............  chance is to turn off and reboot.At reboot the g4 go with no problems.Maybe an heat problems?The g4  ............  very well before  and after the freeze,i dont know what cause this issue. I have 2gb of  ......
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Mac OS 9, Hacks & Upgrades / Re: Sawtooth Hell (SSD)
« by aBc on June 30, 2024, 02:48:05 PM »

......  early  days of OS X and all of the crashes and freezes that I  experienced “back then” when Apple first  ............  that time back from all of those B&W  crashes and freezes.)   But yes, thank you very much for the input.  ............ ://macos9lives.com/smforum/index.php?topic=6127.msg45792#msg45792  That post also covers the Seagate  ............ , these were all  formatted from within a 1.42 GHz MDD.    So it seems that whatever I use to pre-format, ......

......  So, I have a beautiful condition, boxed Powerbook G4, upgraded to 120GB SDD, 2GB RAM & a brand new  ............  on it, although I will take offers!  The other MDD is a dual 1ghz (I think), however it seems to  ......
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Audio & MIDI Hardware / Pro Tools 5.0.1 Crashing Issue
« by laserdisc on November 10, 2021, 09:44:22 AM »

...... ! I recently got a dual-867 MDD G4 with the hopes of using it for DAW purposes.  ............ .  For some reason, trying to open Pro Tools just freezes the computer entirely; I need to Force Quit or  ......
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Hardware / Re: 917Mhz from 1.25Mhz DUAL left. Is my G4 dead?
« by DieHard on August 21, 2022, 02:49:29 PM »

......  to boot the machine was accompanied by several freezes while and after booting still the same. (Booting  ............  or also with the G4 System CDs causes freezes!!) Strange is that I  ............  after a freeze and a hard reset all the time a black screen  ............  to access the system profiler and after all these freezes it showed again 917Mhz. :-(   NOT strange at all, ............ .9 image which runs without any problem in my SOS-G4-MDD-1Ghz-Machine. After that again freezes in the  ............  the 4 well combined RAMs which run in the SOS-G4 without a prob ... but .... still getting freezes  ............  piece is the prob. I think II am done with this G4 1.25. So I will remove the Veraxkit and the  ......
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CPU / Re: QS2002 1.0GHz DP CPU card repair?
« by alectrona6400 on June 06, 2024, 04:49:07 PM »

......  I should share my experience with the dual 1GHz G4 cards... From my experience, and from what  ............ , these are honestly some of the least reliable G4 CPU cards. From what I've heard the CPU or  ............  itself is usually an issue; my QuickSilver 2002 freezes up when it tries to start so probably L3 related. ............  pictures of burnt out 7455 chips, particularly on MDDs for sure. I once had a dual 1.25GHz MDD I saved  ............  do BGA rework.  In my opinion the most reliable G4s are easily the graphites. Those last forever.  ......
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CPU / Re: The 1.6ghz Sonnet Encore MDX overclocking project
« by Jubadub on April 24, 2024, 04:51:42 AM »

...... . Also keep in mind there are 3 main different MDD coolers (go for copper if you can, else the pure  ............  one. The other one reportedly freezes MDDs during stress, according to House of Moth,  ............  an interposer board, unlike with the stock MDD daughtercards. The 7448s also run cooler.  Anyway, ............  be happy that you guys even have access to an MDD, let alone MDX daughtercards! I couldn't  ......
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Hardware / A MDD conundrum
« by Greystash on May 07, 2022, 02:24:30 AM »

...... 've had a Power Mac G4 MDD (FW800 model) for years and never used it  ............   Recently I bought a logic board for the original MDD model which did support native OS9 booting, put  ............  back up) but when it starts to load the Finder it freezes. The menubar and windows appear but then it  ............  PC-3200. After reading up on the specs for the MDD models it appears that 4 - PC-2700 is required  ............  now.   My last question: is there a thread for MDD PSU replacements, or a known good source?   ......
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Mac OS 9, Hacks & Upgrades / Re: Mac OS 9 can't booting, grey screen only
« by V.Yakob on October 30, 2022, 07:26:06 AM »

...... , 2022, 10:18:50 AM  I'll try to sell one of these MDDs, I'll buy another daughtercard: DP 867 MHz. At  ............  properly. Sometimes Mac OS 9 boots (sometimes freezes, sometimes works fine), but in most cases only a  ......

......  cant tell that "unlocked" USB2 mode on integrated MDD port is safe and does not freeze the machine  ......

......     When I first restored from the "Unsupported G4" disc to a FW800 MDD it booted fine the first  ............  applied only to much older hardware caused this freeze. Removing it made everything work correctly. (I  ............ ) Some of the open transport stuff causes a freeze. And there is few more that I haven't yet  ............  that cause a freeze that are on the cd. So I'm still working through  ......

......  was "ssffkeep". As expected, the super-picky G4 MDDs and Xserves rejected some of the sticks even  ............  responsible for random finder crashes and system freezes on one machine even though the system never  ......

......  were included).  Fortunately, I have had no mouse freeze-ups, and the M-Audio Transit USB works as a sound  ............ , so well! In fact, it runs just as good as my Mac MDD.  My next step is to remove the original hard  ............   You guys are an excellent community! You gave my G4 Mac Mini a new life! I was very dissatisfied  ......
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Software / FTP Transfer freezing
« by Syntho on September 25, 2014, 07:03:53 PM »

......  else works 100%. I first noticed this on my MDD G4 in OS9 but I also notice it happening on my  ............  though because sometimes it works, sometimes it freezes. It seems to happen at random. Does anyone have  ......
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CPU / Sonnet Encore Duet MDX 1.8 not recognized by OS9 anymore
« by Stephan-O on May 07, 2017, 07:59:35 AM »

......  Italy here.  I've been far away from my studio's G4 for the last 5 years because of my new sport- ............  in case of sellin it on E**y.  The Mac is an MDD originally dual 1.25 FW 400 (which as far as I  ............  course 1,5 gb under Classic.  I switched on the MDD after many years of silent sitting down on the  ............ .. And more, yesterday evening, switching on the G4 with option key pushed, the "OSX Tiger" Hard  ............ (which I have downloaded), I am trying to boot the G4 from it but at the end of the startup process (" ............ " drivers of the sonnet CPU, it dramatically Freezes and I am not able to boot the machine from NONE  ......
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Hardware / add usb ports=nothing work
« by ettore on August 22, 2015, 01:38:20 AM »

......  a malediction...no usb pci cards works in my mdd.tried one with ali chip,and another with nec chip, ............  freeze and malfunctions coming up rapidly.is there any  ............  to usb adapters that works on os9 or osx? Its an mdd problems with those pci/usb cards or others g4  ......
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Emulation / Re: MachTen from Tenon Intersystems
« by Protools5LEGuy on August 31, 2017, 09:15:14 AM »

......  complicated package, and MachTen will politely freeze up.  (Please don't interpret the last paragraph  ............  RAM, and turn Virtual Memory off. The 1.25GHz MDD FW400 dual G4 was the natively fastest (and last)  ......
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Hardware / Re: Mac OS 9 Keeps Freezing 1 minute after boot
« by aeong on April 13, 2022, 01:35:16 PM »

......   Provide more information on your actual machine… MDD, QS, AGP, etc. (Should be noted on label located  ............  RAM except one stick. Boot to see if it still freezes. If not, add back RAM one-by-one / boot testing  ............ . You may have an extension conflict.  OR, when it freezes… do the Command+Option+Esc key sequence to Force  ......

...... -native, and hence can be put in a VM.) On my MDD, I just went to AppleShare in Chooser. I did have  ............  turn on your 10.5 VM because the OS9 machine will freeze up for 2-3 minutes while it is failing to connect  ............  main machine preference.  with an SSD in my OS9 MDD G4, and transfers across a gigabit network... it  ......
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Hardware / Re: Mac Os9.2 Random Freezing on G4
« by Bolkonskij on December 09, 2021, 04:40:41 AM »

......  shouldn't do that (and doesn't do that on my G4 MDD)  Two things come to mind: hardware issue or  ......
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Off Topic / Re: G4 or G5 v.s. Pentium 4 (New User)
« by supernova777 on September 07, 2014, 05:07:45 PM »

......  peripherals from your p4 system and buy a powerpc g4 quicksilver or mdd and move your drives +  ............  tho the g5 machines are notorious for unexplained freezes + hangs.. + problems with both water + air  ............  to have these cooling problems and issues with freezes and they are compatible with pci hardware still  ............  own current stuff first thing i would do is buy a g4 MDD... and also a good intel powered pc or mac..  ............  site.. u would want to focus on a real powerpc g4 machine    ......
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Hardware / Re: Two G4 machines; ready to shoot them, myself or all three
« by GaryN on January 04, 2021, 06:37:50 PM »

......  on January 04, 2021, 01:13:24 PM  I have a G4 Mini and a MDD fw400 dual CPU. Both run.  ............ . Sometimes in the middle of a project.   These freezes are not the OS. I've run an MDD daily for years  ............  that didn't exist in OS9. I have a dual-boot MDD (OS9 & 10.5) I just reboot to OSX, fetch the file, ............ 's hardware diagnostic app, which I have for the MDD, refuses to run from three different CDs I've  ......
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CPU / Re: dual 1.42ghz cpu in a dual 867mhz?
« by DieHard on January 20, 2014, 09:31:51 PM »

......  have tried almost every combination of Power Mac G4 Motherboards & Processors (Yikes thru MDD)... I  ............  pleasure of messing around with a few prototype G4 MBs that leaked from apple over the years  Single  ............  a few fan mods)... Started out quiet (compared to MDD) and made really quiet, this baby has plenty of  ............  cache, very stable for DAW Apps  MDD Firewire 400 (with a harder fan mods)... Started  ............ .  Mactron (like many others) like to over clock MDD 1.25 and get them up to 1.5 (with great success  ............ . I compared resistors around voltage regulator on MDD's 867 DP daughtercard (which have the same  ............  panics. Now i'm trying 1.75 GHz at 1.65V but my MDD freezes at getting about 40 degs C (weird, at 1. ............  it gets about 43 degs C and no freezes) and i got one Kernel Panic at start. Maybe it  ............ .75 GHz.  http://imageshack.us/photo/my-images/299/g4mdd125singleresistorsvj5.jpg http://imageshack.us/ ............ .75 GHz is not stable, even at 1.7 and 1.75 V. It freezes even faster than at 1.65 V. I'm thinking, that  ......
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Mac OS 9, Hacks & Upgrades / Re: Why does OS9.2 feels slow
« by IIO on May 17, 2018, 12:42:02 AM »

......   once i installed a 500 Gig and i had lost of freezes. Maybe a SCSI-device would do better.    SCSI 3  ............ .com/29160.html  it requires the 64-bit slot of an MDD. people used those with the 73Gb 10k rpm raptors  ............  buffer you should not use any bg image but on a G4 its no problem.   ......
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