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OK...here's what I've been able to find out. C3 Latency works like a switch: values of 0x3E8 (1000) or lower turn on SpeedStep, 0x3E9 or higher turns it off. QPI is Quick Path Interconnect. On a Core2, this is basically just actual bus speed * 4, or what Intel advertises, q.v., 1333 MHz...

I've got this old box running Sierra just fine, but there's one final feature I had in El Capitan that I'm trying to enable: power savings. In El Capitan, using the old MacPro3,1 sysdef, it was enough to simply set the GenerateCStates and GeneratePStates flags to 'true'. That doesn't seem to...

The problem isn't that the trackpad doesn't work; it's that, once it's functioning in MacOS, it "locks" itself to MacOS and refuses to work in Linux until it is re-initialized and set up as a new device. Once this is done, it works just fine in Linux. The same is true when I return to MacOS...

OK…I think I've got it: 1. Format target drive in Disk Utility (or the "sudo diskutil" Terminal command) as legacy MBR/FAT32—do not use GPT. 2. It shouldn't be necessary to disconnect Mac (Windows, Time Machine, etc.) HD(s). 3. Choose "Something Else" when Ubuntu asks where to install. a...

No and therefore not relevant. This is a Legacy BIOS machine, and Sierra (and El Cap and Lion before it) was installed using Clover in Legacy Mode. When I did the Linux install, I disconnected the Mac HD and did so just as I would for any BIOS-based PC (with or without Windows; typically...

SUCCESS. The key: Disconnect the Mac HD before installing Linux. Since /etc/fstab now goes by UUID, it doesn't matter to GRUB what the /dev entries are. I now have a working Ubuntu GNOME install, alongside Sierra, on the second HD I'd used for Sierra beta. It even shows up in Clover. Now I...

After the fourth time reinstalling Ubuntu, I'm about to give up. Installer (this time, a standard Ubuntu installer on a USB, created with unetbootin) appears to run normally, but then halts on the same error: "FATAL ERROR: Can't install GRUB on specified partition (/dev/sda)" even though I...

Would this be the root partition of OS X (sda2) or Linux (sdb1)? I'm assuming the latter; IIRC, every [U, Ku, Xu, Lu, Myth]buntu install I've ever done on a BIOS machine (whether alone or with Windows) just installs GRUB in /boot/grub on the root Linux partition. By contrast, the only Linux...

After successfully getting Sierra up and running on my old Gigabyte box, I'm now attempting to dual-boot Ubuntu 16.04, using the second 80 GB HD I had used to beta test Sierra. In a sense, that's going back to this machine's roots, as Ubuntu was the OS originally installed when I bought it. I...

This, mind, was using a "hand-built" installer as per the beta instructions, before Unibeast for Sierra was ready. One change from my earlier attempts: I went ahead and used the iMac14,2 config.plist (against my better judgement, I thought, but it was highly recommended). First off, the default...

I ran into this problem when installing Sierra for the first time. It seems that using Disk Utility doesn't always create the necessary EFI partition on some USB drives; if there's none present, Clover (with its kexts) will be installed on the main partition, at the root level. Result: the...

I used Method 2. Qa'pla! GeForce GTX 750 Ti FTW ...so why won't this work with Sierra? Up to beta 7 now, and still no graphics?

Still got my old MacBook (Late 2007), dual-booting Lion and SL. I use it for running old stuff and transferring large media files to my WDTV Live; my Hackintosh doesn't get along with the WDTV very well (transfers are very slow, almost like AppleTalk). And, of course, I have the obligatory...

If you're using onboard RAID, OS X is not compatible with it (no Mac has ever had it; legacy Power Mac G5s and Mac Pros with RAID always used an add-on card). Back up your existing Windows setup, switch RAID to JBOD mode, reformat your SSDs for operation as separate drives and then disable RAID...

Still no joy in Mudville, even with graphics injection on (which I haven't needed since ditching the GT 730). I thought about using the Fake ID for a plain GTX 750 (0x10DE1381) or 750 Ti (0x10DE105F). The FTW model is 0x10DE1380. I notice Clover has a new option in the Graphics Injector menu...

I also have a GTX 750ti "FTW" (probably the same as an "SC"). Drivers simply refuse to load; About This Mac says "Graphics 7 MB".

Reinstalled Sierra using the updated installer. As I suspected, this was Beta 3. Updated to Beta 4 without (further) issues, so Issue 2 above is solved. Also, USB seems to be working OK now, so I'm (provisionally) considering Issue 3 solved as well. Alas, even with the patched kexts from El...

As has been stated before, iMac14,1 is not appropriate for my old hardware. As for a backup, I keep a (paper) logbook and use a clean-room approach, even going so far as to keep my Sierra install on a separate internal hard drive, with its own Clover EFI partition, physically disconnected from...

After a reinstall, finally got Sierra up and running on this beast, but it still feels very much like a kludge. As I suspected, one needs to use KextBeast—simply dropping the kexts into the appropriate folders won't work. I'm using the iMac10,1 sysdef and DSDT for my Gigabyte board. Clover is...

Mucking about in single-user mode, I discovered the mistake: "sudo chown root /Library/Extensions/FakeSMC.kext && chown root /Library/Extensions/Realtek8111.kext" and "sudo kextcache -system-prelinked-kernel" "sudo kextcache -system-caches" weren't done prior to installing the nVidia stuff...