AMD SB800 PDF

AMD Southbridge SB chips to include built-in Serial ATA 3 support. AMD’s SBseries fan speed controller exposed. Options aplenty make this motherboard reviewer swoon by Geoff Gasior — AM on. I’ve been a big fan, pun intended, of fan control options in the BIOS. Some motherboards have real basic functionality while some of have been excellent.

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While in the same internal event mentioned above, AMD gave a preview on the features of the SB8xx family of southbridges, as follows: Views Read Edit View history. Instead of being limited to single high and low amv, AMD’s step mode can accommodate no fewer than eight predefined fan speeds and corresponding temperatures.

AMD’s Ali Akbar Merrikh, the man who xmd the fan speed controls and patiently answered my questions about them, isn’t aware of any motherboard that exploits the SB’s fancy fan controller outside the company’s own boards and reference designs, none of which are available to consumers. MSI’s fan speed controls remain limited but continue to offer at least some tuning options, while Gigabyte’s are still shockingly nonexistent.

All this functionality mad offered for free in every SBseries south bridge, with no additional hardware required. Few seem to have picked up on the fact that we also want our rigs to be as quiet as possible, though. In step mode, fan speeds jump from one value to the next as temperatures rise. PC enthusiasts have always had a bit of an obsession with maximizing performance, so it’s no surprise motherboard makers have lavished us with a wealth of overclocking and performance tweaking options.

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CuttinHobo I heard he prefers to be called a Seth Lord Any halfway-decent motherboard BIOS has more than enough clock and voltage ranges for enthusiasts, and most go above and beyond what even truly extreme liquid-nitrogen-fueled overclockers might require.

AMD SB Southbridge supports Fusion

Single-sensor mode relies sb8000 only one temperature sensor, while the dual-sensor scheme takes in two inputs and will set the fan speed based on the higher of the two. I went off on a bit of a rant on the subject more than a year and a half ago, and little has changed since. Because the south bridge can monitor and power no fewer than five individual fans.

There’s plenty of granularity, too. This argument might sound familiar because I’ve been grinding this axe for a while now. Neutronbeam Besides money, let us know Seth what WE can do to help out–there’s a lot of sma The IGP features are listed below:.

Motherboard manufacturers typically rely on SuperIO chips or other auxiliary silicon to adjust fan speeds based on system temperatures. Putting this functionality in the chipset certainly makes sense, but has AMD implemented the sort of amx enthusiasts might want? Webarchive template wayback links Articles with Japanese-language external links.

AMD’s SB800 to have SATA 3 support

Motherboard makers need only to connect fan and diode traces to the south bridge and implement the necessary BIOS hooks to give users access to fan control variables.

Motherboard chipsets List of AMD chipsets. Advanced Micro Devices chipsets. Steam names the best-selling games of Most OSes require patches in order to work reliably.

The chipset series is targeted in three markets: The microcontroller can manage fan speeds using three algorithms: Props to Merrikh and AMD for incorporating such powerful fan control support in the south bridge, and shame on any motherboard maker that leaves this particular feature untapped in favor of alternative fan control mechanisms that offer less, well, control.

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In addition to the three algorithms that determine how fan speeds respond to temperature changes, the SB series is governed by single- and dual-sensor policies that dictate how temperatures are interpreted.

In those cases, the thermal diode built into AMD’s north-bridge silicon can be used as a secondary temperature input. Retrieved from ” https: In fact, I’d wager that most of us would happily trade the ability to tweak obscure memory timings and system voltages for such robust fan control functionality.

I couldn’t not graph them. The codenamed “Catalunya” platform consists of codenamed “Suzuka” quad-core processors, featuring Socket AM3 and support dual-channel registered DDR3 memory, the platform supports HyperTransport 3.

AMD’s SB800-series fan speed controller exposed

This page was last edited on 25 Septemberat Of the big three, only Asus has made real progress in improving BIOS-level fan speed controls, and it still has a long way to go to match what now-defunct mobo maker Abit was doing more than seven years ago. Current information mad the chipset series is very scarce, while the officially published information about the series is the server chipsets with two variants available, the AMD S chipset and the AMD S chipset, all of them paired with the SBS series southbridge.

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