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Friday, September 23, 2011

Zotac Z68ITX-A-E Wifi Review - Mini-ITX meets Z68

With every chipset, there's a call to arms in providing the package that everyone needs. Unfortunately there's never one motherboard which can cater for every possibility, but there are some that come quite close. Our review today is on the Zotac Z68ITX-A-E Wifi - a mini-ITX take on the Z68 chipset, which promises to be a winner right from the start, with dual gigabit Ethernet, USB 3.0, onboard wifi, onboard power/reset buttons, a debug LED, a lot of extras with your motherboard, and all the extras that Z68 offers. For $170, we're looking at a good contender for an award here, as long as the performance and additions compare well to its rivals.

 
Overview

The most noticeable thing about using the Zotac board for this review is the out-of-spec features used by Zotac. With regards to the turbo of the CPU, the CPU should scale down the multiplier bins the more cores being used - however, the Zotac board likes to apply a 4x multiplier increase, even in full CPU usage. This gives it a distinct advantage in all our stock benchmark suite, and an unfair advantage against every other board in the market. It gives the consumer, however, extra performance without having to do anything. This may set an unhealthy trend, where other manufacturers will similarly produce products out-of-spec in order to jump ahead in performance.

Overall, for $170, Zotac have provided a board full of features that provide a great motherboard for various consumer levels. The addition of dual gigabit Ethernet, onboard wifi, dual HDMI, and that out-of-spec CPU speed are nice additions to such a small product. This situation benefits a non-K Sandy Bridge CPU (which unfortunately negates one of the Z68 features, overclocking, which as we find out isn't that great on the Zotac) where the iGPU is required as well as the PCIe x16 slot. There's not too many SATA ports (two SATA 6 Gbps, two SATA 3 Gbps), which perhaps is ideal for the non-enthusiast consumer (SSD, HDD, DVD/BluRay drive). Also, the lack of overclocking may be a sticking issue for some. I'm unsure if I should label it a gamers' board, a 24/7 machine with various enthusiast applications that require performance, or a multi-monitor setup that needs Sandy Bridge and Z68 and perhaps a GPU for GPU programming. Nevertheless, I've found the board an impressive product at a great price, despite the old fashioned BIOS and lack of software provided.
 
Visual Inspection


With Zotac's aim of piling as much as it can onto such a small PCB, it is obvious to see that the board is fairly cramped, in a livery with no defined color (yellow, orange, red, blue, black). As a result, the 8-pin 12V CPU power connector is on the far end of the board behind the audio headers of the I/O panel. The CPU socket is also quite small in comparison to full size P67/Z68 boards we've seen this year, negating large CPU coolers but still providing enough space for stock coolers and all-in-one CPU coolers such as the Corsair H50 and H100.

There are two fan headers on board - one by the SATA ports and the other beside the 24-pin ATX power connector. Beside this power connector are the power/reset buttons and a debug LED - it's great to have this on such a small board. The wifi module is in a mini-PCIe (with mSATA compatibility) between the memory slots and the SATA ports - with cables from the wifi card to the I/O panel. A full size mSATA holder is included in the bundle, if the user decides not to use the wifi and takes advantage of the Z68 Smart Caching Technology via this port.


On board are four SATA ports - two SATA 6 Gbps and two SATA 3 Gbps, all from the PCH. Technically the PCH should be able to support two more, but given the size of the board and all the other extras on it, it's understandable that these are not included. Beside the SATA ports are two USB 2.0 headers, and beside them, behind the wifi antenna, is a USB 3.0 header.


The back panel of the board is also similarly cramped, with a combination of wifi antenna, dual gigabit Ethernet, two USB 3.0, four USB 2.0, a clear CMOS button, a PS/2 Connector, dual HDMI and mini-DisplayPort, optical SPDIF output, and the standard audio jacks. The combination of having the heatsink there results in some space lost - perhaps if it wasn't there by design, the HDMI and mini-DP could be stacked and other features could be added.

The Apple Thunderbolt Display Review

Ever since I moved to a notebook as my main work computer I've become increasingly annoyed with the process of actually moving my notebook-as-a-desktop around. At my desk I've got DisplayPort, Ethernet, two USB, FireWire 800, speakers and power all plugged into a 15-inch MacBook Pro. What makes it frustrating isn't the first-world-problem of having to unplug seven cables, rather that it doesn't need to be seven cables - Apple could make the whole thing happen with just two.

Every Mac released in 2011 has at least one Thunderbolt port (the iMac has two), and Thunderbolt can deliver exactly what I'm looking for. Thunderbolt can carry two things: PCI Express and DisplayPort, the former for data and the latter obviously for video. Why would you want to carry PCIe and DP over a single cable? To address problems like the one above.


Pretty much all device expansion on modern day PCs happens via PCI Express. Several years ago it was hard to find PCIe sound cards or Ethernet controllers, but these days vanilla PCI slots are nearing extinction and PCIe is the de facto standard. Ethernet, USB and FireWire controllers all exist as single-lane PCIe devices. Put a bunch of them at the other end of a Thunderbolt cable and you no longer need to plug in a bunch of individual cables into your notebook when at your desk. Send DisplayPort over the same cable and you can actually move all of those ports onto your monitor, thereby using a single cable to carry everything but power to your display. And this is exactly what Apple has done with its new Thunderbolt Display. By mating its 27-inch LED Cinema Display with a bunch of integrated IO controllers, Apple is hoping to deliver a display that's more of a mobile docking station than just a passive way to display video.


Apple has tried this in the past. The old Cinema Displays used to feature an Apple Display Connector (ADC) that actually carried DVI, USB and power from a desktop Mac to the monitor. You only needed to plug in a single cable to your display, significantly reducing desktop clutter. Although Thunderbolt does carry power, it's limited to 10W - not enough to power any reasonably sized display. Where Thunderbolt does win out over ADC however is in its universal appeal. Intel created the standard. Although it's used almost exclusively on Apple systems today, come 2012 Intel is expecting PC OEMs to embrace the interface with its Cactus Ridge line of Thunderbolt controllers.

Apple's Thunderbolt Display

The Thunderbolt Display uses a near, if not perfectly, identical panel to what was in last year's 27-inch LED Cinema Display. You get a 27-inch, 16:9, 2560 x 1440 LED backlit display capable of at least 350 nits at full brightness. Apple seems to conservatively spec its desktop displays as we were able to measure 425 nits at max brightness. The uber brightness comes in handy because the display does have a glossy finish. Indoors it's not really a problem unless you're watching a dark movie scene with the display lit by a sun-facing window. Even then, cranking up the brightness all the way is usually enough to overcome any significant glare. As with all glossy displays, if you have light control (e.g. curtains or blinds) you'll be just fine.


The display sits on an aluminum swivel base that allows for -5 degrees to 25 degrees of tilt along the horizontal axis. There's no height adjustment for the display either, only tilt. Personally, I use a height adjustable desk as I find it helps me avoid any carpal tunnel pain. Combined with a height adjustable chair, the lack of height adjustment on the display doesn't bother me. If you have a fixed height desk however, this may be a problem.

Aesthetically the Thunderbolt Display continues Apple's aluminum meets glass design language. The front of the display is all glass, while the edges and back are all aluminum. Along the top surface of the display is a mic for the integrated FaceTime HD camera. The outgoing 27-inch LED Cinema Display (still available for purchase online) sported a 640 x 480 camera, while the Thunderbolt Display ups capture resolution to 1280 x 720.
There's an ambient light sensor hidden in the top bezel of the display, but as always you can disable its functionality from within OS X.


There are two integrated speakers in the display, again unchanged from the previous LED Cinema Display.
Two cables attach directly to the display: a removable power cable and an integrated IO cable. Cable management is done through a round cutout in the aluminum stand. The IO cable is where things really change with the Thunderbolt Display. Instead of a breakout of three cables as was the case with the Cinema Display, there are now only two: MagSafe and Thunderbolt.


The MagSafe connector remains unchanged. If you've got any Mac that can be charged by an 85W MagSafe adapter, the Thunderbolt Display will charge said Mac. This feature alone is particularly awesome for notebook-as-a-desktop users since it allows you to just keep your actual AC adapter tucked away in your travel bag. For me I keep my MagSafe adapter in my bag and never take it out so I never have to worry about forgetting to pack it. Given how expensive MagSafe adapters are ($79 for an 85W), this is a nice feature for MacBook Air/Pro owners.

The Thunderbolt cable is obviously what gives this new display its name. Inside the Thunderbolt Display is an Intel Eagle Ridge Thunderbolt controller. The type of controller is important as it bestows upon the display some clear limitations. The biggest of course is the lack of support for all non-Thunderbolt systems. That's right, the only way to get video to the Thunderbolt Display is by using a Thunderbolt enabled Mac (or theoretically a Thunderbolt enabled PC). For Mac users that means only 2011 MacBook Pro, Air, iMac or Mac mini models will work with the Thunderbolt Display. Everyone else has to either buy a new Mac or stick with older displays.


I believe the limitation here is actually on the cable side. A Thunderbolt cable can only transmit a Thunderbolt signal. Although DisplayPort is muxed in, if the display on the other end is expecting Thunderbolt and it receives DisplayPort it won't know what to do with it. It's possible Apple could have built in logic to autosense and switch between Thunderbolt and DisplayPort as inputs, but Apple traditionally employs clean breaks rather than long technology transitions. If Apple wants to ensure Thunderbolt gets adopted (at least by its users), this is the way to do it. As we learned from other legacy interfaces (e.g. PS/2, IDE), if you enable backwards compatibility you'll ensure the survival of systems that implement those interfaces. It's not so great for existing customers unfortunately.

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