abit IN9 32X-MAX (NVIDIA nForce 680i SLI)
abit IN9 32X-MAX Layout and Features
We note it straight that abit has developed the IN9 32X-MAX on its own, without using NVIDIA's reference design. The only thing what coincides is the configuration of expansion slots: the board uses three PCI Express x16, two PCI Express x1, and two PCI slots.
The layout of the board's main components is not of any issue to the assembly operator. In particular, the main 24-pin power connector is installed on the board's bottom edge, with the additional 8-pin connector (the backward compatibility to the PSU with a 4-pin cable has been preserved) - on the right-hand edge. There is also a Molex power connector on the left-hand corner of the board; it is recommended to use when installing two or three video cards. Also, the use can remove the memory modules with the video card installed into the first PCI-Express class.
Near the DIMM slots, there is a 4-pin CPUFAN1 connector to plug in a CPU cooler.
Besides it, there are five more 3-pin connectors: SYSFAN1 and AUXFAN1 - also there where CPUFAN1, AUXFAN1 are located - near the main power connector, with AUXFAN3 and AUXFAN4 - on the left-hand edge of the board. Note that the IN9 32X-MAX not only determines the rotational speed of all the six fans but also controls their speeds depending on the temperatures.
On the north bridge, there is a huge copper radiator connected to the radiators of the south bridge and the power supply module with heat pipes.
If we use the wired clips from the bundle, a 40 mm fan can be installed on that radiator. On the other hand, we note that the dimensions of the radiator allow installing a larger radiator (i.e., one of better performance or quieter). In particular, the distance between the video card and the CPU cooler allows installing a standard 80 mm fan. But in this case the user has to invent the fastening on his own:
Under the north bridge, there are four DIMM slots; the maximum memory capacity makes up 8 GB.
To enable the dual-channel mode, the memory modules should be inserted into the slots of the same color. Once voltage is applied to the board, a few LEDs in the left-hand corner of the board light up. Besides, a 7-stage indicator is enabled.
As regards the expansion options, the board uses three PCI Express x16 slots (all with holders) as well as two PCI Express x1, and two PCI slots. We should also note that support for the WiFi standard is implemented with an external expansion card which is installed into the PCI Express x1 slot. Therefore, in using it the number of vacant PCI Express x1 slots is reduced to one.
It should be noted that to the black PCI Express ?16 slots there are 16 bus lanes allocated, with merely 8 to the central blue PCI Express ?16 slot.
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