Dell Dimension E520 processor upgrade

Stefan4348

Presler P4 Kit, 915, 2.8G, 2X2MB, 800FSB, D0
Presler P4 Kit, 925, 3.0G, 2X2MB, 800FSB, D0
Presler P4 Kit, 930, 3.0G, 2X2MB, 800FSB, C1
Presler P4 Kit, 935, 3.2G, 2X2MB, 800FSB, D0
Presler P4 Kit, 940, 3.2G, 2X2MB, 800FSB,
Presler P4 Kit, 945, 3.4G, 2X2MB, 800FSB, D0
Presler P4 Kit, 950, 3.4G, 2X2MB, 800FSB, D0

Cedar Mill Kit, 347, 3.06G, 512K, 533FSB, D0
Cedar Mill Kit, 352, 3.2G, 512K, 533FSB, D0
Cedar Mill Kit, 356, 3.33G, 512K, 533FSB, D0
Cedar Mill Kit, 631, 3.0G, 800FSB, 2M, C1
Cedar Mill Kit, 641, 3.2G, 800FSB, 2M, C1
Cedar Mill Kit, 651, 3.4G, 800FSB, 2M, C1
Cedar Mill Kit, 661, 3.6G, 800FSB, 2M, C1
Cedar Mill Kit, 631, 3.0G, 800FSB, 2M, D0
Conroe kit, E4300, 1.8G, 2MB, 800FSB, L2
Conroe Kit, E4400, 2.00G, 2MB, 800FSB, L2
Conroe Kit, E6300, 1.86G, 2MB, 1066FSB, B2
Conroe Kit, E6300, 1.86G, 2MB, 1066FSB, L2
Conroe Kit, E6320, 1.86G, 4MB, 1066FSB, B2
Conroe Kit, E6400, 2.13G, 2MB, 1066FSB, L2
Conroe Kit, E6400, 2.13G, 2MB, 1066FSB, B2
Conroe Kit, E6420, 2.13G, 4MB, 1066FSB, B2
Conroe Kit, E6600, 2.4G, 4MB, 1066FSB, B2
Conroe Kit, E6700, 2.66G, 4MB, 1066FSB, B2

Smithfield P4 Kit, 805, 2.66G, 2X1MB, 533FSB, B0
Smithfield P4 Kit, 820, 2.8G, 800FSB, 2MB, Mainstream, B0

Prescott Celeron Kit, 336, 2.8G, 533FSB, 256K, G1
Prescott Celeron Kit, 346, 3.06G, 533FSB, 256K, G1
Prescott Celeron Kit, 351, 3.2G, 533FSB, 256K, G1
Prescott P4 Kit, 531, 3.0G, 800FSB, 1MB, G1
Prescott P4 Kit, 541, 3.2G, 800FSB, 1MB, G1
Prescott P4 Kit, 524, 3.06G, 1MB, 533FSB, G1

And possibly the Q6600 and Q6700, see here:

http://en.community.dell.com/support-forums/desktop/f/3514/p/19312684/19705955

Prior to installing the processor, check that the BIOS version 2.4.0 is installed, when support for new processors was added.

Note:  Only 65 nm processors with 800 or 1066fsb will work with the E-520.

Bev.