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Title: Computex: All the Llano motherboards
Description: Although the Lynx platform, namely Llano desktop, is slated for next month, there were of course many socket FM1 motherboards on show at Computex. They were all based on the Hdson-M3 or the A75 chipset which supports USB 3.0 and SATA 6 Gbps natively. While several have two PCI Express 16x ports, the second is generally cabled at 4x, connected to the southbridge and only functional if the 1x ports are not used. Only Gigabyte and Jetway currently have a model with two ports cabled at 8x and connected staight to the Fusion APU.

Given the native support for USB 3.0 and SATA 6 Gbps, the manufacturers don’t need additional controllers. When they support eSATA however, one of the SATA ports is monopolised for this purpose which limits you to 5 ports.

Most manufacturers told us that they had been getting ready more variants than were on show but were still very vague about which market will be targetted for this solution. Mid range? Low end? Mini-ITX?


The Asrock A75 Extreme6 is an example of quite a complete version of the A75 chipset: two PCIE ports in 16x format but one of which is cabled at 4x, five SATA 6 Gbps ports, VGA, DVI and HDMI connectivity, THX certification and Firewire.



Asus is proposing several models. The first, the F1A75 is in ATX format, has a UEFI bios and one PCIE port connected to the APU at 16x, one 4x port, two PCIE 1x ports… and no video connectivity. Either Asus is planning to move it onto a bracket or not use the APU’s connectivity, which is strange to say the least.

Next, the F1A75-M is a micro-ATX version of the F1A75 which has VGA, DVI and HDMI video connectivity.

Finally, the F1A75-I is a mini-ITX model in a totally different design of course. It has just one PCIE 16x port and four SATA 6 Gbps ports. It has DVI and HDMI connectivity and also Displayport and, in the Deluxe version, Bluetooth. Note that the fixture system of the CPU cooler, but not the socket, has been rotated by 90° compared to all the other motherboards.


The Biostar TA75A+ has a PCIE 16x port, a 4x and two 1x port, six SATA ports and VGA, DVI and HDMI connectivity. The TA75M+ is similar but in micro-ATX format.


ECS were showing the A75F-A in ATX format with a standard configuration: one PCI 16x port, a second 16x cabled at 4x, two PCIE 1x ports, five SATA 6 Gbps ports and VGA, DVI and HDMI video connectivity.

The A75F-M is in micro-ATX format and only retains the PCI 16x port connected to the APU. It does however have an extra SATA port, making 6 in total, as it doesn’t have eSATA connectivity. Finally, the A75F-M2 is a more compact version of the A75F-M with just two memory slots and no DVI connectivity.


Foxconn was showing two relatively basic models, one in ATX fomat and the other in micro-ATX. Strangely there’s no HDMI connectivity on the ATX version.


In addition to the GA-A75-UD4H, which supports two PCI Express 8x connectors connected to the APU, Gigabyte were showing the GA-A75M-UD2H in micro-ATX format and whose second PCIE 16x port is cabled at 4x via the chipset. As with numerous other models, it has five SATA 6 Gbps ports, the sixth being used as an eSATA.


The Jetway JHA16 covers more bases with two PCIE graphics ports that can work at 2x 8x, six SATA 6 Gbps ports, VGA, DVI and HDMI connectivity and a mini-PCIE slot.


MSI were showing two A75 models. The first, in ATX format, is the A75A-G35. It has a PCIE 16x connector, three PCIE 1x and one PCIE 16x ports cabled at 4x but which prevent the simultaneous use of the 1x ports. While the card does have six SATA 6 Gbps, it only has two memory slots, which is strange for an ATX model.

The A75MA-G55, although in micro-ATX format, is higher end than the first model. It has a better quality power stage and four memory slots. Although CrossFire X support has been announced, it looks as if it’s provided via a second graphics port connected at 4x to the chipset.


Finally the Chinese manufacturer, Weibu, was showing an A75 model with WB-A75+PWR which offers full video connectivity but audio connectivity limited to the AC97.
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