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The VL-Bus operated at the same clock speed as the i486-bus (basically a local bus) while the PCI bus also usually depended on the i486 clock but sometimes had a divider setting available via the BIOS. This could be set to 1/1 or 1/2, sometimes even 2/3 (for 50 MHz CPU clocks).
clock (MHz) Process node 1978 8086 (8086, 8088) 2 ... i486 Intel's second ... but slightly higher clock speed for the top two models. Miscellaneous
A version of IntelDX4 featuring write-back cache was released in October 1994. The original write-through versions of the chip are marked with a laser-embossed “&E,” while the write-back-enabled versions are marked “&EW.” i486 OverDrive editions of IntelDX4 had locked multipliers, and therefore can only run at 3× the external clock speed.
The SL was designed for use in mobile computers. It was produced between November 1992 and June 1993. Clock speeds available were 20, 25 and 33 MHz. The i486SL contained all features of the i486DX. In addition, the System Management Mode (SMM) (the same mode introduced with i386SL) was included with this processor. The system management mode ...
Intel's i486 OverDrive processors are a category of various Intel i486s that were produced with the designated purpose of being used to upgrade ... 100 MHz clock speed;
The i486DX2 was nearly identical to the i486DX, but it had additional clock multiplier circuitry. It was the first CPU chip to use clock doubling, whereby the processor runs two internal logic clock cycles per external bus cycle. An i486 DX2 was thus significantly faster than an i486 DX at the same bus speed thanks to the 8K on-chip cache ...
Clock speed was 740 kHz (same as the 4004 microprocessor) 3,000 transistors; ... System Bus clock rate 133 MHz (256 KB L2 cache) or 100 MHz (1–2 MB L2 cache)
Highest speed for 68040 and i486 is 100MHz (if we measured internal clock speed). Do you agree? No. The fastest i486 was the DX4, with 99.99 MHz clock speed and 33.33 MHz FSB. There was also Intel CPUs with slower clock but faster FSB (Like the 486 DX-50 with 50 MHz FSB). The fastest 040 out of Motorola had a 40 MHz FSB and 40 MHz internal ...