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Intel's i486 OverDrive processors are a category of various Intel i486s that were produced with the designated purpose of being used to upgrade personal computers. The OverDrives typically possessed qualities different from 'standard' i486s with the same speed steppings.
The OverDrive Processors for the Pentium 75, 90 and 100 were also released (Socket 5, 3.3 V), running at 125, 150 and 166 MHz (clock multiplier of 2.5). The 125 is an oddity, because Intel never made a Pentium 125 as a stand-alone processor.
All models support: MMX L2 cache is off-die and runs at 50% CPU speed; The Pentium II OverDrive is a Deschutes Pentium II core packaged for Socket 8 operation. It comes with 512 KB of off-die full-speed L2 cache, which makes it very similar to the Pentium II Xeon.
The 100-MHz model of the processor had an iCOMP rating of 435, while the 75-MHz processor had a rating of 319. IntelDX4 was an OEM-only product, but the DX4 Overdrive could be purchased at a retail store. The IntelDX4 microprocessor is mostly pin-compatible with the i486, but requires a lower 3.3-V supply. Normal i486DX and DX2 processors use a ...
Pentium OverDrive, a category of Intel Pentium processors Index of articles associated with the same name This set index article includes a list of related items that share the same name (or similar names).
The i486SX was a microprocessor originally released by Intel in 1991. It was a modified Intel i486DX microprocessor with its floating-point unit (FPU) disabled. It was intended as a lower-cost CPU for use in low-end systems—selling for US$258—adapting the SX suffix of the earlier i386SX in order to connote a lower-cost option.
OverDrive wasn't popular due to speed and price. [11] New computers equipped with 486 processors in discount warehouses became scarce, and an IBM spokesperson called it a "dinosaur". [13] Even after the Pentium series of processors gained a foothold in the market, however, Intel continued to produce 486 cores for industrial embedded applications.
Socket 1, originally called the "OverDrive" socket, was the second of a series of standard CPU sockets created by Intel into which various x86 microprocessors were inserted. It was an upgrade to Intel's first standard 169-pin pin grid array (PGA) socket and the first with an official designation. Socket 1 was intended as a 486 upgrade socket ...