Asus P5N7A-VM: Geforce 9300 IGP

CPUs|Motherboards
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BIOS

BIOS options on mATX boards are typically very spartan. The presence of an IGP and the more limited cooling associated with an mATX platform makes manufacturers nervous about allowing users to customize their clock / voltage settings.

Notable Available BIOS Adjustments
Setting
Options
CPU FSB 533 to 2400MHz in 1MHz increments
CPU Voltage 0.85000V to 1.55000V in 0.00625V increments
Memory Frequency 400 to 1800 MHz in 1 MHz increments
Memory Timing Control Average
Memory Voltage 1.85V to 2.24V in 0.00625V increments
Chipset Voltage +50mV, +100mV, +150mV
Video Memory Size 32MB, 64MB, 128MB, 256MB, 512MB
GPU Core Frequency 450 to 999MHz in 1MHz increments
GPU Shader Frequency 1200 to 2000MHz in 1MHz increments

The BIOS provides a good amount of functionality without getting too fancy. All the important options are present: CPU and RAM frequency / voltage, memory timings, and chipset voltage. It also allows manipulation of the integrated graphics core and shader frequencies.


Frequency and voltage control options.

The BIOS handles frequency in an unusual way — the effective system front side bus and memory speeds are used rather than the base frequency. So, unlike most motherboards, the FSB is already quad-pumped and the RAM frequency doubled. We encountered the same thing on the Zotac NF610i-ITX — it seems to be the way nVidia likes to handle clock adjustments, though it does take some getting used to.


"Hardware Monitor."

Fan control settings are available in the "Hardware Monitor" menu. The board can control the CPU and Chassis fan header with three different modes: Silent, Optimal, and Performance.



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