Here are the specifications for your processor: Intel® Pentium® Processor G2030T (3M Cache, 2.60 GHz) Product Specifications.
Here are the specifications for this board: Intel® Desktop Board DH61WW Product Specifications.
Here is a document listing the processors that are supported by the BIOS and thus compatible with the DH61WW Desktop Board: Supported Processors for Intel Desktop Board DH61WW.
In order for a processor to be usable, it must be socket, board and BIOS compatible. A comparison of the specifications yields that this processor is physically compatible with the socket on this board and the board supports its power requirements. Further, the Pentium G2030 processor family is listed as supported by BIOSs 42 and later. Bottom line, this board and processor are compatible with each other.
Note: if your board has a BIOS earlier than release 42, you must upgrade the BIOS before installing your O/S. Checking for this is the first thing that you will need to do.
Here are some articles that will help you with this determination and, if necessary, BIOS upgrade:
Here are a few other articles that may prove helpful:
Hope this helps,