Processor Clock Speed Jumper; Cpu Clock Speed (5E1) - Intel STL2 - Server Board Motherboard Product Manual

9. If you are installing faster processors, you must configure the speed jumpers.
Table 3.

CPU Clock Speed (5E1)

CPU Pins Pins
Speed 1-2 3-4
667
733
800
867
933
1000
26
Figure 10. Processor Clock Speed Jumper
Pins Pins Pins Pins
5-6 7-8 9-10 11-12
2 4 6 8 10 12
5E1
1
3 5 7 9 11
OM10674
Intel Server Board STL2 Product Guide