Product Features: · Intel® Celeron™ MMX Processor With Clock Speed 1.8GHz · System / Front Side Bus Speed: 100MHz · Flip-Chip Pin Grid Array (FCPGA) package for use in 370-pin socket · Memory / Cache - L1 - 32 KB L2 Advanced Transfer Cache - 128KB · Floating Point Unit: 80-Bit, IEEE-754 Compatible · Compatible with the Intel® 815E/ 815 / 815EP/ 815P/ 815G/ 815EG chipsets · Compatible with the Intel® D810EMO, D810E2CA3, D810E2CB, D815BN, D815EEA2, D815EPEA2, D815EFV, D815EPFV, D815EEA, D815EPEA, D820LP, CC820, D810EMO, JN440BX, RC440BX, SE440BX-2, SR440BX, CA810E motherboards · Fully compatible with an entire library of PC software based on operating systems such as MS-DOS*, Windows* 3.1, Windows for Workgroups* 3.11, Windows 98, Windows 95, OS/2*, UnixWare*, SCO UNIX*, Windows NT, Windows 2000, OPENSTEP*, and Sun Solaris*.