Released in 1995 as upgrade for 486-systems. It is a modified 3.3V 0,6 µm Pentium-chip which is released at 63MHz and 83MHz. To enhance performance (the Pentium Overdrive runs on a slow 32-bit 486 motherboard) the P24T is equipped with 32KB L1-cache. The first generation Pentium's have 16KB.