Welcome to Valhalla: Inside the New 250GB Xbox 360 Slim
by Anand Lal Shimpi on June 18, 2010 1:59 AM ESTThe Motherboard
Two phillips screws hold the fan in place. You don’t need to remove them to remove the heatsink but I did anyway:
The single large heatsink is a lot heftier than what we'd seen in previous 360s, it doesn't feel quite as cheap or as insufficient. This time around it has to do double duty cooling both the CPU and the GPU.
At this point I can easily remove the motherboard and flip it over, revealing our old friend: the x-clamp.
Place your flathead screwdriver tip here, pointing away from the xclamp, and pry the clamp off at this point. Repeat for 1 - 2 more and the whole thing should come off easily.
Unlike previous Xbox 360s, the Valhalla x-clamp isn’t a pain to remove. In fact all I had to do was slide a small flathead screwdriver in each of the four slots in the clamp and push down to make the clamp pop out. I’ve marked the area on the photo above.
With the x-clamp removed the heatsink pulls off revealing Microsoft’s Xbox 360 CGPU covered with a heat spreader. The heat spreader is great for making sure no one cracks a core while working on these things.
The chip to the left of the CGPU is the 360’s South Bridge, responsible for the SATA and USB ports in the system. The chip is marked as an A0 stepping which is usually the first stepping to come back from the fab. This is probably a pretty tried and true design by now with no bugs to worry about at this point.
Xbox 360 South Bridge (top), 16MB SLC NAND (bottom)
The Hynix NAND on the motherboard is still 16MB in size. It is SLC NAND so it should last the lifetime of the Xbox as long as you don’t somehow mod it into a database server.
The third major ASIC on the motherboard is the HANA scaler/video encoder chip we’ve seen before on Jasper.
The motherboard now has two SATA ports directly on the board itself to support the new HDD tray.
I’ve also included a ton of close up shots of various parts of the motherboard in the dissection gallery for our friends at Xbox-Scene.
Have fun!
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Anand Lal Shimpi - Friday, June 18, 2010 - link
I'm guessing cost more than anything else, this thing has to be as cheap as possible in order to turn a profit.Take care,
Anand
landerf - Friday, June 18, 2010 - link
Slim DVD drive's cost more and are slower to read discs. Having engineered a HTPC that fits into a 360 case with a full size drive, psu, and real gfx card (90 degree pci-e riser) I can tell you it's all about engineering smartly. If there's plenty of room for something bigger but cheaper then that's just what makes sense to use.Guspaz - Friday, June 18, 2010 - link
The 360 uses a 12x DVD drive, so at least the rotational speed of the drive isn't hard to match (slim drives also go up to 12x). I'm not sure if the average seek time would be fast enough in a slim drive, though.Another consideration is that a slim drive would have required Microsoft to switch to a slot loading system like Nintendo and Sony use; a slim tray would be too flimsy for a console, and requiring the user to snap the disk onto the central spindle might have been a bit awkward.
To be honest, though, I'd rather have had the new xbox use a slot-loading slim drive and an internal power supply.
adam92682 - Friday, June 18, 2010 - link
The Saturn, Playstation, and Gamecube required the user to snap the disc onto the central spindle.nubie - Friday, June 18, 2010 - link
Ha, you forgot the Dreamcast and Sega CD.Seriously, that doesn't look like a full-size drive to me (I could be wrong). Not a slmiline drive, but doesn't seem full-size to me. Since they are using custom drives all they need be concerned with is the size of the actual electro-mechanical bits and circuit boards.
I like the HS design, looks like an OEM bundled PC HS/Fan, maybe we will see some heatpipe versions.
I like the HDD tray, looks like with a simple plastic carrier you can slot in any laptop style HDD. (Or just stuff newspapers around it if you don't care about fire.)
sprockkets - Friday, June 18, 2010 - link
Limited to 8x. Unless you can show me a 12x drive. They've been stuck on 8x for years.NaMcOJR - Saturday, June 19, 2010 - link
It's the only thing that's missing there, yeah...rorrim180 - Sunday, November 28, 2010 - link
I would guess that they could not implement a mechanism to close the tray if they used a slim drive.arnavvdesai - Friday, June 18, 2010 - link
While power has increased considerably for the PC counterparts, I still dont see any better cooling methods introduced. Even if were to assume that Microsoft would stick a 5870 into their box I dont see how they can cool such a beast in a small form factor. We would need to move to a lower die size in order to be able to adequately cool the device. Also, we need to remember that TVs have a hit the 1080p mark and will not move to a higher resolution anytime soon, so console makers will have to push technology in different area of improvements. Also, what about buffers for the GPU? While CPUs can make do with 12 MB of L3 cache what about GPUs. With higher textures we need the ability to feed the beast and consoles will need to somehow figure that out.Also game developers have not really demanded higher capabilities from the consoles. I have a 5870 in my PC and having played the same games on PC and my 360 I dont see much difference in fidelity .
We must also remember that software for this generation cost a lot more to develop for. This means that if a new technology was introduced they would have to optimize for it at an even higher cost and most devs are not ready for it.
The only reason I see in the future which would demand more power from consoles is 3D. If significant market penetration is achieved (which is a long way IMHO) then and only then will we demand more from our consoles. Also, Microsoft will have a tough choice when it comes to the media they want their games to be on. Blu-Ray seems to be the only alternative at the moment and I am sure Microsoft would prefer something more( them getting that is a different thing altogether)
Earthmonger - Friday, June 18, 2010 - link
I'll state here what I stated elsewhere: This thing looks like a fat woman sat on a DVD player. What were they thinking? I don't want it anywhere near my EC.Hopefully someone will put out some decent-looking aftermarket cases. And at just $300, warranty isn't really a concern.