IBM 5x86C

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The IBM 5x86C is an IBM-branded and -produced version of the Cyrix-designed Cyrix Cx5x86 CPU.

Previous versions of the IBM x86 processors: IBM 386SLC and IBM 486SLC were based on the redesigned Intel CPUs, not Cyrix.

[edit] Specifications

• iDX4WB pinout, 168 pins
• Socket 3
• 2.0 million transistors on 0.65 micrometre process
• 144 mm² die
• 3.3 volts electricity usage
• 16 kibibyte unified level-one cache

75 MHz capable edition for 25 MHz (25x3) front side bus
100 MHz capable edition for 33 MHz (33x3) front side bus