Re: G5 Graphics Card
Thanks, Andreas! Very informative. Scott Birdwell DeFalco's Home Wine & Beer Supplies sa...@defalcos.com www.defalcos.com On Jan 21, 2013, at 6:24 AM, g3-5-list@googlegroups.com wrote: > I know you’ve already gotten your answer, but this seems noteably to me: > > Intel Mac graphics cards have an EFI based firmware on them, so they are > compatible with the EFI based Intel macs. Otherwise the graphics card is > identical to a Power Mac or PC version. > > Power Mac graphics cards have an Open Firmware based firmware on them. > > And PC graphics cards have BIOS based firmware on them, or newer cards maybe > also have an EFI-aware firmware as well. But it’s propably different from the > one used in Intel Macs. > > > IF you can find an Open Firmware based firmware for that specific card, you > can try to flash it. If none is available there is now way. And flashing is > not so very trivial either. > > > One thing is interesting though: I’ve once used a PC version of a graphics > card in a Power Mac computer. Due to the BIOS based firmware, the computers’ > Open Firmware was unable to initialize it and the screen stayed dark. I > booted > into Linux (because that is what I used back then) and the Linux kernel > detected this PCIe graphics card and loaded the appropriate driver and with > it > the card was initialized. So, once the operating system took over, it all > worked even though it was the wrong firmware on the graphics card. > > On Mac OS X the graphics driver will not work though, because it has built-in > logic to check for certain Open Firmware variables (or EFI variables, if > you’re on Intel). In other words, it relies on Open Firmware (or EFI on > Intel) > to initialize the card and takes over from there. Mac OS X will therefor > never > work with an identical graphics card that has the wrong firmware on it. > > > Just to make things more complicated, I guess… > > Cheers, > Andreas aka Mac User #330250 -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G5 Graphics Card
My original question: > Do any of you know if a NVidia GeForce 7300GT video from a MacIntel Mac Pro > tower will work in a G5 Quad Core tower (or, for that matter, any other > non-MacIntel tower)? Thanking you in advance. > Cameron Kaiser Jan 17 03:25PM -0800 > I don't know for sure, but I doubt it, unless it was flashed. > > -- > personal: http://www.cameronkaiser.com/ > -- > Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckai...@floodgap.com > -- "I am Pentium of Borg. Division is futile. You will be approximated." > -- > > Illirik Smirnov Jan 17 09:07PM -0500 > > It is not going to work unflashed, and I don't think a flash exists. Sorry > :( The cards are cheap, though. > > -- -- > Illirik Smirnov Thanks, mucho for the feedback, guys. Intuitively, I suspected this was likely the case, but didn't know for sure. It only occurred to me that this might be a possibility when someone on the Swap List listed a "Wanted to Buy" for a G5 Graphics Card, which is also a PCI-X card for Macs. OTOH Apparently I can use this card in one of the other PCI-X slots in the Mac Pro Tower. I don't know if this would allow for an expanded desktop or simply a mirror of the primary desktop. Scott Birdwell DeFalco's Home Wine & Beer Supplies sa...@defalcos.com www.defalcos.com -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Mac Mini Power supply compatibility?
> Jeffrey Engle Aug 25 02:25PM -0700 ^ > > I have a first generation Mac Mini 1.25ghz that I've been using for an > entertainment center. Problem is that I want to upgrade to a better > mini and the power adapter is "in the wall" and I don't want to take > the wall apart to get at it > > Q: which Mac Mini's are compatible with the first generation power > supply? > > Jeff Engle > Kamiah, Idaho 83536 Jeff, I'm pretty certain all mini's produced through 2009 used the same power brick. Beginning with this year's Aluminum Uni-body design, Apple has placed the PSU internally in the case. Looks like you could buy a fairly modern mini and still be all-right. BTW, I just bought one of the new ones for my business on Tuesday, and it's really nice! Scott Birdwell DeFalco's Home Wine & Beer Supplies sa...@defalcos.com www.defalcos.com -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
