The Precision 670 does indeed take Socket 604 XEON processors with 800MHz FSB. The fastest single core ones are the XEON 3.8E Irvindale processors (3.8GHz). The Precision 670 with U7565 mobo also supports the Paxville DP dual core XEON 2.8GHz processors.
However, keep in mind that these are all slow and energy hungry Netburst processors (the same inefficient architecture as the dreadful Pentum4) which are now roughly a decade old, and are painful slow by today's standards. Unless this is a free upgrade I'd not recommend to invest any money in these processors. Even a Precision 690 (which can be had for next to nothing nowadays) will run circles around the 670 with the fastest processors.
That statement about U7565 and Paxville DP is incorrect: the U7565 motherboard does not accept Paxville DP CPUs. I tried it myself and it does not work; even with BIOS A07, POST will stop the machine and report unsupported CPUs. Only the XC837 motherboard accepts those old initial dual core Xeon DP CPUs. Other motherboards models will accept all legacy Nocona & Irwindale 64bit FSB800 Xeon CPUs up to the 3.8GHz with 2MB L2 cache model.
btg_uk
1 Rookie
•
38 Posts
0
January 27th, 2014 14:00
The Precision 670 does indeed take Socket 604 XEON processors with 800MHz FSB. The fastest single core ones are the XEON 3.8E Irvindale processors (3.8GHz). The Precision 670 with U7565 mobo also supports the Paxville DP dual core XEON 2.8GHz processors.
However, keep in mind that these are all slow and energy hungry Netburst processors (the same inefficient architecture as the dreadful Pentum4) which are now roughly a decade old, and are painful slow by today's standards. Unless this is a free upgrade I'd not recommend to invest any money in these processors. Even a Precision 690 (which can be had for next to nothing nowadays) will run circles around the 670 with the fastest processors.
RV_ABZ
1 Rookie
•
56 Posts
0
February 13th, 2014 14:00
That statement about U7565 and Paxville DP is incorrect: the U7565 motherboard does not accept Paxville DP CPUs. I tried it myself and it does not work; even with BIOS A07, POST will stop the machine and report unsupported CPUs. Only the XC837 motherboard accepts those old initial dual core Xeon DP CPUs. Other motherboards models will accept all legacy Nocona & Irwindale 64bit FSB800 Xeon CPUs up to the 3.8GHz with 2MB L2 cache model.