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Apple Development Transition Kit
68kMLA · Troubleshooting · 41 posts · Apr 28, 2015 — Jul 30, 2015 View original thread ↗
I have found a nice "Power Mac" : there is a Pentium 4 inside, and a BIOS.

 
It's a Developer Transition Kit from 2005, the first officiel Intel Mac, with Mac OS X 10.4.1.
 
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I will try to install a modern OS on it (and a good GPU, the GMA 900 is a pain)
I dont know if I'd mess with it. Definitely swap hard drives to save that current install.

I have the DVD to reinstall it ;)

It would be interesting to see one of these hackintoshed. I don't know if I've ever seen it, and this is maybe the third or fourth to roll around on the site.

In part because they were never really meant to stay in circulation once January 2006 hit and the iMacs and MacBook Pros were available, newer releases of Mac OS X don't very easily work on them. It's a very neat find, nevertheless.

What does the back look like? Is it properly designed for the board or completely hackintosh'd?

The ADP2,1 gets me - is there a first revision?

Man that's cool. I was working for Apple when the Intel transition was announced (totally upended my business for a while!), and I *really* wanted one of these - I knew they'd be a crazy collectible before long. May I ask how you came to own this one?

Is that CPU socketed ? If it is I wonder if the CPU can be upgraded.

Likely a Socket 775 based machine with PCIe. Wonder if a Pentium D or even a Conroe 65nm Core2 will work in these. The latter depends on the chipset, if its a 915/925/955, its stuck with Netburst toaster CPUs.

It says DDR RAM, and the timeframe is 2005 (and probably earlier. Much earlier, if the Marklar history is anything to go back) so I'm leaning towards an early 9xx chipset. Sorry kid, no Core 2 for you.

Likely a 915 chipset then. Just because it only has DDR doesn't rule out Core2 though, ASRock still sells boards with the older 865G(!) that can take Core2Duo chips.

Yes, but those are niche crazy hacked up boards for crazy people. Apple very likely just adapted a reference Intel one, but from the look of it, just put their branding and serial number on a stock Intel one and called it a day. That's definitely not Apple EFI, after all.

I think if you really want to push it, you can put 10.6 on it (provided you appropriately patch it), but you'll likely need a modernish GPU to get it working!

I remember at one point reading what OS X version officially depreciated these machines; it was quite an old version (The retail version of Leopard?), so while it might be "fun" to try to put a more modern version on it I suspect you will have to treat it the same as if it were an equally old generic PC and, indeed, "hackintosh" it. (I can't imagine the rest of the hardware being good for anything past Snow Leopard, or possibly Lion, anyway.)

In any case I would personally stay *far* away from upgrading the CPU; while I sort of snicker at "prototype collecting" I do imagine the surviving DTK's are going to be at least somewhat collectable and so far as I'm concerned it's *way* too easy to screw up LGA775 sockets to risk it. Is the board's form factor standard mini-ATX or is it "super proprietary"? If you *really* must try to put Yosemite on it I'd say *carefully* pull the original board and keep it nice and safe.

What does the back look like? Is it properly designed for the board or completely hackintosh'd?
The back is a classic Power Mac G5, but with "blocked" connector (optical audio, modem, Wi-Fi), with a cache

Man that's cool. I was working for Apple when the Intel transition was announced (totally upended my business for a while!), and I *really* wanted one of these - I knew they'd be a crazy collectible before long. May I ask how you came to own this one?
It's from eBay

Is that CPU socketed ? If it is I wonder if the CPU can be upgraded.
Yep, it's a P4 660, i have changed the cooling system, because it was broken when i receive him.

Likely a Socket 775 based machine with PCIe. Wonder if a Pentium D or even a Conroe 65nm Core2 will work in these. The latter depends on the chipset, if its a 915/925/955, its stuck with Netburst toaster CPUs.

It says DDR RAM, and the timeframe is 2005 (and probably earlier. Much earlier, if the Marklar history is anything to go back) so I'm leaning towards an early 9xx chipset. Sorry kid, no Core 2 for you.
It's a i925 chipset, and Core 2 Duo and Pentium D (generally dual core) will not work, i'm waiting for a CPU to test, but i have no hope. Officialy, there is only a CPU faster : P4 670 (3,8 GHz).

It'd be nice if we can see pictures of the back and slots.

I've had one of these for a few years as well... some notes I've taken:

Motherboard is a custom short run (BARRACUDA) from Intel based on the D915GAGL platform.

Board options included are Gigabit Lan, iee1394, and TPM.

TPM is pre-programmed with the keys required to decode Finder and other Apple encrypted binaries.

BIOS is an early reference bios, but with Apple quiet boot splash screen.

The case is a modified PowerMac A1177 without the partition in the air deflector.

The Power Supply is the official G5 power supply, but with an interposer to convert to ATX+4 power.

The Motherboard is extended past the MATX form factor to meet with the Apple ports on the G5 case.

It is mounted on a frame that then attaches to the G5 board mounts, as G5's are not ATX compliant.

There is a populated (but cable not provided) header for VGA on the back of the board.

Video out is DVI-D only by way of a standard ADD2-N card, but while retail ADD2 cards are identical, those with VGA options do NOT work.

Presumably connecting the VGA header will yield via video using the onboard chipset, and the collision of the external VGA on an ADD2 and the onboard prevents the system from booting properly.

Unsurprisingly, dumping the DTK bios and installing it to a RETAIL D915GEV/D915GUX/D915GAV/D915GAG will work perfectly, and if you apply the decryption patch to the marker disc, no additional means are required to install and use it just as you would a real DTK.

Because the system is BIOS based (and a P4), there are very few upgrade paths (beyond 10.4.3 8F1111) for the system if you plan to run OS X without a full fledged chameleon or similar install.

other _OLD_ photos of mine while i was fixing some issues from a poor shipping job:

https://www.flickr.com/photos/defor/sets/72157624223360933

Hi, 

Many news : i can't boot on a USB drive (no option on the BIOS) and can't use a real graphic card : i have tested with many GPU and i have no screen.

Just photos.

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I wouldn't attempt any upgrades to it besides possibly a SCSI card and maxing the ram out.

It would however be nice if you could dump the BIOS and store it somewhere for safekeeping.

Are you trying PC graphics cards or Mac?

The machine could have one of those gimped PCIe slots that only take SVDO ADD2 cards. Otherwise being BIOS based it should take standard PC video cards.

Likely the firmware and OS X doesn't support the GPU.

Just give up on upgrades. Nothing will be supported, it'll reduce the value of being original, and these weren't meant to be upgraded.

Unfortunately, 10.4.1 is extremely finicky regarding the supported hardware: the Intel GMA900 and GMA950 chips are effectively the only GPUs supported with graphics acceleration. 
It's also important to point out that 10.4.1 doesn't support the final revision of the Intel binary format that eventually shipped with the first Intel Macs back in 2006: it's got a custom binary format that is specific to 10.4.1 and 10.4.2, so no modern program (even if 10.4 compatible) will run on it, with the exception of PowerPC binaries which should be correctly translated via Rosetta. The only Intel software that can run on 10.4.1 is the software that Apple provided bundled with OS X (and very early versions of Xcode for Intel).
On a side note, if you do choose to install a more recent version of OS X on a different partition, you should be able to install 10.4.3 (which is still a developer release) without problems: that version is recent enough so that it should be capable of running real programs and also has a better hardware support, notably for ATI graphic cards (nothing fancy, though, you're pretty much stuck with ATI Radeon 9600 and similar devices). You can have a better picture of what's supported on both systems here and here. Note that these lists were compiled with hacked versions of OS X in mind, but since the Apple DTK uses a customized version of an otherwise standard BIOS (and not Apple EFI like all the Intel Macs that shipped later) I see no reason why these graphic cards shouldn't be supported out of the box.

Are you trying PC graphics cards or Mac?
I have tested with classic PC card (old and new) and graphic card from Mac Pro (who works on PC and on Mac). I'm waiting for a PCIe x1 card and a PCI card.

Unfortunately, 10.4.1 is extremely finicky regarding the supported hardware: the Intel GMA900 and GMA950 chips are effectively the only GPUs supported with graphics acceleration. 

It's also important to point out that 10.4.1 doesn't support the final revision of the Intel binary format that eventually shipped with the first Intel Macs back in 2006: it's got a custom binary format that is specific to 10.4.1 and 10.4.2, so no modern program (even if 10.4 compatible) will run on it, with the exception of PowerPC binaries which should be correctly translated via Rosetta. The only Intel software that can run on 10.4.1 is the software that Apple provided bundled with OS X (and very early versions of Xcode for Intel).

On a side note, if you do choose to install a more recent version of OS X on a different partition, you should be able to install 10.4.3 (which is still a developer release) without problems: that version is recent enough so that it should be capable of running real programs and also has a better hardware support, notably for ATI graphic cards (nothing fancy, though, you're pretty much stuck with ATI Radeon 9600 and similar devices). You can have a better picture of what's supported on both systems here and here. Note that these lists were compiled with hacked versions of OS X in mind, but since the Apple DTK uses a customized version of an otherwise standard BIOS (and not Apple EFI like all the Intel Macs that shipped later) I see no reason why these graphic cards shouldn't be supported out of the box.
The problem : i can't find 10.4.3.

I have found a torrent (can i speak about that here ?) but with only 99,94 %... and the other are patched, i don't know if it's work.

I'm fairly confident that I have the correct version of 10.4.3 for Intel on my NAS LaCie... I'll report back.

Thanks haplain! It's supposed to be build 8F1111. It was once very popular, but like almost every torrent I know, it died many years ago. Back then, I don't think people saw the historical value of keeping a copy of that file, it was only used for hacking.

I deffinatley have a copy of that around (i'm not going to post a link here as per the rules though)

Your best bet truly is to image the drive that came with it (unless you also got whatever installation media Apple shipped with it) and then put a new drive in to install some other version of Mac OS X with hackintosh techniques. The version you install really doesn't matter if you're just going to hackintosh it, and at that point, you may even have more luck with a better video card, unless it is, as noted, a board with a PCIe slot that only supports the ADD2 card.

If you can get 10.8 or newer on it, that's what I'd personally recommend running, but 10.4.11, 10.5.8 or 10.6.8 (or possibly 10.7.whateverthelatestversionwas) may end up working best with the integrated graphics. 

As always, I personally recommend against hooking a machine running a non-current version of Mac OS X to the Internet, for reasons. It would be a great darknet machine or if you just feel like having an install party, a platform to play with as many different versions of Mac OS X as possible.

General DTK question: has anybody looked at operating systems other than Mac OS X on them? Windows 7, 8.1U1 or 10TP would probably do really well on this thing, especially if the Pentium 4 CPU in it has HyperThreading and you can get 2 or more gigs of RAM in it. (915 chipset should happily run 3 or 4 gigs.)

In re piracy links:

Please don't. especially Mac OS X itself and OS X-era software. All of that stuff is stuff you know is actively being developed, and most of it's still actively being sold, and you can't even feign ignorance of details like the fact that Adobe owns the Aldus intellectual property.

My only advice on that front at the moment is that you individually use search tools to see if you can find any resources.

General DTK question: has anybody looked at operating systems other than Mac OS X on them? Windows 7, 8.1U1 or 10TP would probably do really well on this thing, especially if the Pentium 4 CPU in it has HyperThreading and you can get 2 or more gigs of RAM in it. (915 chipset should happily run 3 or 4 gigs.)
That's something I'd definitely look into.

Not specifically to run a different operating system, but because Windows and DOS have plenty of utilities to dump the BIOS of a machine, while I don't think OS X has any (because it doesn't use BIOS at all). It'd be interesting to look at it and see exactly what's different (and also keep it for archiving: we're already lucky enough that these machines survived at all, since they were supposed to be returned to Apple, if something goes wrong and the motherboard dies this software is gone forever).

For the BIOS, the chip is on a support, and a colleague can help me to dump directly the content, i will try that next week.

For the BIOS, the chip is on a support, and a colleague can help me to dump directly the content, i will try that next week.
Awesome information! I had initially thought about this, but I had just supposed that it was soldered and thus the only viable way of getting data out of it was running a BIOS dumper. 

Keep us updated on your progress with this!

Little news :

I have found a 'patched' version of 10.4.3, with the original kernel, and it works. I can launch Intel apps without problem, when i found a Tiger compatible version.

It's faster...

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Next step, dump the BIOS, install Windows.

Faster than before, or faster than another machine? I'd love to see these compared to a G5 Quad.

Any update on the BIOS dump? Have you had any success?

It'd be interesting to compare it with the "plain" Intel version and see where the main differences are.

I try this this week

Today, i have connected a VGA header (with haplain help) and it works : i have connected two display 

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Cool!

The BIOS is a custom one based on the intel reference bios for this board series. It pre-dates the "retail" board used in the D915GXX series by a little bit (no surprise there as the board and TPM were pre-programmed by Intel for apple.

The Installer for this system was fully leaked in the early days of "hackintoshing"

Look up "Marker-Tiger.dmg"

This will be the unmatched copy of the install disc designed for the encryption keys stored in the TPM.

Upgrading the bios will not actually prevent any of the 10.4.x Marklar builds from working, but you'll loose the pretty boot screen and some of the System Profiler text.

I've done a bit of experimentation with the DTK bios on non-DTK D915GXX boards and vice-versa- just dropping in the actual bios chip from one of those boards.

There is NO matching consumer SKU for the combination of TPM, Firewire, and Gigabit in the 915 boards, but the board in the DTK IS a D915GXX series board, just with a custom form factor from Intel. NO other differences.

Also, the ADD2 support is very limited, but I have run other PCI cards off the board, simply never played with display cards. 

There are 3 install discs that were issued by apple to DTK owners:

Mac OS X 10.4.1 8B1025

Mac OS X 10.4.1 8B1099

Mac OS X 10.4.3 8F1111

All of these have been patched in various forms, but for a DTK, the more original, the better.

I spent quite a while sorting the mess out a few years ago when I got my DTK, the results of which are below:

ORIGINAL DISCS (iso and dmg are identical, just different container):

6671b06db57db94bebffdd2cffc2c78e marklar-tiger.dmg

e78fe52e30a1f8c5b29d4b7932a16c5e marklar-tiger.iso

daf72f000bd860360ae494d915058af6 10.4.3_8f1099_for_dtk_userdvd.dmg

e7d86fefb4b5155890addbf7fae19398 10.4.3_8f1099_for_dtk_userdvd.iso

3665735d1b651b5a4ad15ca59ab40142 macosx_10.4.3_8f1111_for_dtk_userdvd.dmg

f086fa1cdd01013c9787dfd1e92c2078 macosx_10.4.3_8f1111_for_dtk_userdvd.iso

I've as of yet, been unable to find the 8F1111 build in unmodified form, but the following will work fine on a DTK as it simply has the TPM encrypted files pre-decrypted (Finder et al.):

macosx_10.4.3_8f1111_for_dtk_userdvd (wesleypatch_8f1111_v1.1).iso

Thank you :)

mp.ls