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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In those cases, the thermal diode built into AMD’s north-bridge silicon can be used as a secondary temperature input. Merry Christmas from The Tech Report staff! 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.

AMD chipset series. The linear algorithm smooths things out, allowing fan speeds to ramp, well, linearly between predefined minimum and maximum values. They’ve come a long way in that time, adding integrated flashing utilities, support for multiple configuration profiles, and, of course, the ability to tweak a staggering array of memory timings, clock speeds, and voltages. The fan speed controls available in most modern BIOSes are basic at best and often laughably inadequate when compared to the frankly excessive overclocking options being offered.

Linear mode is most akin to what’s available in contemporary BIOSes, although users aren’t always able to set minimum and maximum temperature thresholds and fan speeds. There’s plenty of granularity, too. This page was last edited on 25 Septemberat MSI’s fan speed controls remain limited but continue to offer at least some tuning options, while Gigabyte’s are still shockingly nonexistent.

The SB family of south-bridge silicon has an integrated microcontroller that, with a little help from firmware built into a system’s BIOS, can offer more control over that system’s fans than has ever graced a motherboard. Motherboard manufacturers typically rely on SuperIO chips or other auxiliary silicon to adjust fan speeds based on system temperatures. The Tech Report System Guide: From Wikipedia, the free encyclopedia.

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AMD 800 chipset series

The chipset series is targeted in three markets: Neutronbeam Besides money, let us know Seth what WE can do to help out–there’s a lot of sma 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.

Current information about 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. This method drapes a string of linear slopes across multiple step points. Few seem to have picked up on the fact that we also want our rigs to be as quiet as possible, though.

Motherboard chipsets List of AMD chipsets. LG HU85L projector needs but two inches to cast a 90″ picture. While in the same internal event mentioned above, AMD gave a preview on the features of the SB8xx family of southbridges, as follows: Advanced Micro Devices chipsets. 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.

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. All this functionality is offered for free in every SBseries south bridge, with no additional hardware required.

Non-linear mode is just as flexible, allowing users to configure as many slopes as they can steps.

AMD chipset series – Wikipedia

xb800 These two processors support a new socket called Socket G34 with four-channel DDR3 support, with other platform features sb800 as HyperTransport 3. The microcontroller can manage fan speeds using three algorithms: Instead of being limited to single high and low values, AMD’s step mode can accommodate no fewer than eight predefined fan speeds and corresponding temperatures.

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Most OSes require patches in order to work reliably. Combine the two, and you have a non-linear approach that’s really more multi-linear. Customize The Tech Report AMD sockets and chipsets.

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AMD’s SBseries fan speed controller exposed – The Tech Report

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. This argument might sound familiar because I’ve been grinding this axe for a while now. I couldn’t not graph them. Because the south bridge can monitor and power no fewer than five individual fans.

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. Steam names the best-selling games of Views Read Edit View history. 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 amv might require.

Ame does not provide any SB8x0 errata publicly. So, imagine my delight when, at AMD’s Technical Forum in Taipei last week, I came across a presentation on the fan speed controls enabled by the company’s current generation of south-bridge chips.

Single-sensor mode relies on only one temperature sensor, while the dual-sensor scheme takes in two inputs wmd will set the fan speed based on the higher of the two.

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