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Tyan Thunder i7501 Xtreme S2726UGN Rev.02 Server Motherboard Review

Tyan Thunder i7501 Xtreme S2726UGN Rev.02 Server Motherboard Review - PCSTATS
Abstract: Tyan does have a reputation for quality and stability, and the company earns its bread and butter by producing some of the best server and workstation motherboards in the market.
 86% Rating:   
Filed under: Motherboards Published:  Author: 
External Mfg. Website: Tyan Aug 15 2005   Mike Dowler  
Home > Reviews > Motherboards > Tyan Thunder i7501 Xtreme S2726UGN

EPS12V Power and ECC Registered Memory

To power the Tyan Thunder i7501 Xtreme, and all the connected hardware that goes with it, you'll need to use a special 24pin EPS12V power supply. This board will not work with "regular" 24-pin ATX power supplies unless they are specifically EPS12V compatible. Of course don't forget to connect the 8-pin ESP12V connector.

The layout of the Thunder i7501 Xtreme is optimized for 1U - 3U rack mount servers where much of the airflow used to cool processors, or components, is derived from case mounted fans. The twin Xeon sockets are located towards the front of the case, meaning the processors will be cooled with colder intake air than if they were located behind the memory for example.

32-bit Memory Limit:

Servers require a lot of memory to dish out a steady flow of data for the millions of requests it may receive in a production environment, say acting as web or database server.

If the server is starved for memory it may function unreliably, and for this reason the Tyan Thunder i7501 Xtreme supports up to 12GB of Registered ECC PC1600/2100 DDR.

But wait a second, how can the Tyan Thunder i7501 Xtreme use 12GB of memory if 32-bit processors can only address 4 GB of memory (2^32)? The answer to that one is easy; it's able to increase its addressable memory size via software, in almost the exact same manner 16-bit processors broke the 1 MB and 16 MB addressing limit.

Working away on our desktops, we're all familiar that WindowsXP can only access 4GB of RAM. Server's are more specialized in their application, and server-oriented operating systems can handle a lot more RAM. For example, Windows 2000 Advanced Server can support 8 GB of RAM, where as Microsoft Windows Server 2003 Enterprise Edition can access 32 GB of memory.... and Windows Server 2003 Datacenter Edition can access a budget-busting 64 GB of RAM thanks to PAE (Physical Address Extension).

That is a lot of memory, but as it stands that's the absolute limit of x86-32 hardware. Of course PAE is not the most efficient process in the world, and it does have limitations, but that is beyond the scope of this review.

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Contents of Article: Tyan Thunder i7501 Xtreme S2726UGN
 Pg 1.  Tyan Thunder i7501 Xtreme S2726UGN Rev.02 Server Motherboard Review
 Pg 2.  — EPS12V Power and ECC Registered Memory
 Pg 3.  PC2100 DDR Memory types
 Pg 4.  PCI-X and 64-bit PCI Expansion Slots
 Pg 5.  Motherboard Highlights
 Pg 6.  Stability and Management Software
 Pg 7.  System Spec's and Benchmarks
 Pg 8.  Benchmarks: WebBench static_mt_wb401
 Pg 9.  Benchmarks: WebBench static_wb401
 Pg 10.  Tyan is a name you can trust...

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