LGA 771
LGA 771, also known as Socket J, is a CPU interface introduced by Intel in 2006. It is used in Intel Core microarchitecture and NetBurst microarchitecture (Dempsey) based DP-capable server processors, the Dual-Core Xeon is codenamed Dempsey, Woodcrest, and Wolfdale and the Quad-Core processors Clovertown, Harpertown, and Yorkfield-CL. It is also used for the Core 2 Extreme QX9775, and blade servers designated under Conroe-CL.
| Release date | May 16, 2006 |
|---|---|
| Designed by | Intel |
| Manufactured by | Intel |
| Type | Land Grid Array (LGA) |
| Chip form factors | Flip chip land grid array |
| Contacts | 771 |
| FSB protocol | AGTL+ |
| FSB frequency | 667 MT/s, 1066 MT/s, 1333 MT/s, 1600 MT/s |
| Voltage range | Varies (1,3625V max) |
| Processor dimensions | 40 mm x 40 mm |
| Processors | Intel Celeron 445 Intel Core 2 Duo E6x05 Intel Dual-Core Xeon E/X/L 50xx–52xx Intel Quad-Core Xeon X 33xx Intel Quad-Core Xeon E/X/L 53xx–54xx Intel Core 2 Extreme QX9775 |
| Predecessor | Socket 604 |
| Variant | LGA 775 (Socket T) |
| Successor | LGA 1366 |
| Memory support | DDR2, DDR3 |
This article is part of the CPU socket series | |
It was succeeded by LGA 1366 for the Nehalem-based Xeon processors.
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