Socket 940
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| Type | PGA-ZIF |
|---|---|
| Chip form factors | OPGA |
| Contacts | 940 |
| FSB frequency | 200 MHz System clock 800/1000 MHz HyperTransport link |
| Voltage range | 0.8 - 1.55 V |
| Processors | AMD Athlon 64 FX AMD Opteron |
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This article is part of the CPU socket series |
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Socket 940 is a 940-pin socket for 64-bit AMD server processors. This socket is entirely square in shape and pins are arranged in a grid with the exception of four key pins used to align the processor and the corners. AMD's Opteron and the older AMD Athlon 64 FX (FX-51) use Socket 940.
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[edit] Technical specifications
Microprocessors designed for this socket were intended to be used in a server platform, and as such provide additional features to provide additional robustness. One such feature is only the acceptance of registered memory.[1]
While the more recent 940-pin socket AM2 is visually similar to this one, the two are electrically incompatible due to the integrated memory controller. Socket 940 CPU's integrate a DDR controller, whereas AM2 models utilise a DDR2 controller.[2]
[edit] See also
[edit] References
- ^ Kronlund, Doug (2004-06-27). "Socket 940 vs. 939". Short-Media. http://www.short-media.com/articles/socket_940_vs_939. Retrieved 2007-01-28.
- ^ Bert Töpelt; Daniel Schuhmann, Frank Völkel (2006-05-23). "AM2: AMD Reinvents Itself". Tom's Hardware Guide. http://www.tomshardware.com/2006/05/23/amd_reinvents_itself/page2.html. Retrieved 2007-01-28.
[edit] External links
- AMD Product Information
- AMD Technical Details for Athlon64 and Athlon FX
- AMD Socket 940 Design Specification (rev 3.03)
- AMD 940 Pin Package Functional Data Sheet (rev 3.05)
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