IBM5x86C

IBM-branded and produced version of the Cyrix-designed Cyrix Cx5x86 CPU.

Specifications:

iDX4WB pinout, 168 pins
Socket 3
2.0 millions transistors on 0.65 micron process
144mm² die
3.3 volt electricity usage
16kilobyte unified level-one cache

75mhz capable edition for 25mhz (25x3) front side bus
100mhz (http://www.cpushack.net/images/IBM5x86C.jpg) capable edition for 33mhz (33x3) front side bus