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Balance Technology Extended (BTX) Explained
Anonymous Coward writes "The folks over at TweakTown have just posted an article which talks about Balance Technology Extended (BTX) - Intel's upcoming new form factor which will replace the aging ATX form factor standard we've grown used to. BTX is meant to offer better cooling and quiet computing through its smart design."
"Buttocks"?
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Everything seemed to be going so nice
'till the end of all beings punched right through the ice
You mean maximum connections, dude. I have no idea how minimum connections would even be implemented.
"No! No, you can't disconnect! I have to keep some of these open! Aaaargh!"
--grendel drago
Laws do not persuade just because they threaten. --Seneca
You can download a copy of the BTX spec in PDF from this site.
Too bad they don't have a BTX server.
HTTP 403.9 - Access Forbidden: Too many users are connected
So this article has now taken down two distinct sites. Anyone willing to see if we can slashdot Intel?
Cue The Sun...
Taking down an IIS server is like tripping a retarded kid.
You big meanie.
It's nothing but crumpled porno and Ayn Rand.
Introduction
The computer industry is constantly evolving and building upon technology with as much mind for the future as possible. However with such a constantly changing industry, standards which we rely on do not always anticipate the changes that occur in the future. That had been the case for the AT form factor and the issues with it were addressed by the creation of the ATX Form Factor all those years ago - the design specification which computer companies abide by when designing and manufacturing their products for the PC.
Now, as ATX and its closest cousins begin to show its age from the advent of new technologies like Serial ATA and PCI Express, a new form factor is seen as a need by many companies and Intel has the answer - it's called Balanced Technology eXtended (BTX). BTX, in its basic principle design, is very similar to that of ATX, but there are a slew of changes that can and will be utilized to show that it has the potential to improve the system as a whole in terms of acoustics and heat dissipation.
Intel has been kind enough to provide us with some technical information and pictures on BTX. Let's see what the future holds for us!
The BTX specifications call for a new location for the system processor. The relative position, at a locale close to the top and front of the motherboard, allows for a new way of cooling not only the processor but the highest heat producing components of the system through the use of a "thermal module."
The thermal module consists of a duct, seal, heatsink, fan, and clip. The duct encloses the heatsink area and forces the air inducted through the massive fan over the heatsink and processor directly to the upper back of the system in a tower case. After the airflow provides cooling for the processor, it continues through the system to the graphics subsystem, whether it is on a riser card or directly into a PCI Express slot, providing additional cooling to the video card. Supposedly, airflow then trickles throughout the rest of the system to the memory and the various other internal components.
The thermal module of BTX represents how the LGA-775 Prescott will have to be cooled. BTX will more than likely be coming to the market at the same time as the LGA-775 Prescott processors with such a higher heat production. The first motherboards we will see with BTX will probably be high-end solutions that target the wealthiest enthusiasts and workstation systems then as usual we'll see more affordable systems come onto the scene shortly afterwards.
BTX, unlike any prior standard form factor, was developed to support three different system sizes. With BTX, we have the standard BTX, microBTX, and picoBTX forms. At the IDF of Fall 2003, the reference systems Intel demonstrated were in the microBTX and standard BTX forms. With the microBTX form occupying only 12.9 Liters and regular BTX form system not much larger, Intel has been able to push acceptance of BTX with OEM manufacturers with some ease.
PicoBTX, the smallest of the BTX forms, is the most interesting of the BTX form factors, in my opinion. Intel will be demonstrating 6.9 Liter systems based around picoBTX, smaller than any small form factor PCs on the market. The 6.9 Liter system will be approximately 3.1 Liters smaller than the smallest SFF PCs currently on the market today from such companies as Shuttle. This compact size will push the evolution of the compact PC and increase the acceptance of BTX, specifically by SFF PC builders and users interested in buying SFF PCs - You can already imagine the SFF leaders of the industry rubbing their hands together.
An interesting thing about the different sizes of BTX is how Intel specifications reduce the need to shift system components significantly. With BTX locating most essential system components in the upper portion of the motherboard, there is a simple move of removing a few peripheral slots with each reduction in size, bringing the total peripheral slots to one with picoBTX.
Since BTX reference desig
It was my understanding (from articles about last year's IDF where this was intro'd) that the BTX design basically mandates a wind tunnel from the front of the case, over the CPU / chipset, out the back - with one "wall" of the tunnel typically being implemented by a video card. There was talk that both the CPU *and* the video card could revert to passive heatsinks, with large (slow rpm) fans driving the air through the tunnel. Regardless of the specifics, I'm positive that the BTX form factor will help video card cooling.
Dan
The new form factor is probably not strictly necessary, but is useful, given the move to much smaller connectors (PCI Express, USB, SATA, etc.). Serial connections are primarily institute because they use fewer pins, and so save money. The costs of packaging on modern chips, with hundreds of pins and BBGAs, is enormous. You can save more money if you engineer the form factor to go with it.
1 876. pdf. htm
PCI Express also allows low-profile cards, so with BTX, you can make much smaller machines if you go legacy-free (no PCI, AGP, MCA, VESA, EISA, or ISA slots). Generally, boards are much more integrated now, use solely SMT components, small connectors, and are cheaper, but the overall system also requires less room. Observe the number of PCI cards that consist of a 1" sliver of PCB, right up to the back of the computer, and then extend to full PCI height. That's expensive, and wastes space. The height of PCI comes from the days of ISA, with through-hole parts and 25 pin connectors going to printers. The only big cards I've seen in the past many years are custom boards and graphics cards. Graphics cards have a funky horizontal option in BTX.
To relieve the slashdotted server, a similar review:
http://www.anandtech.com/showdoc.html?i=
The actual spec:
http://web.newsguy.com/nstrom/BTX_Spec_1_0
Intel's info about it:
http://www.intel.com/update/contents/dt10031