6 MHz version of the Intel 80287 Intel 80287 die shot Intel 80287XL Intel 80287XLT The 80387 (387 or i387) is the first Intel coprocessor to be fully...

on the chip was significantly faster than the i387 FPU per cycle. The Intel 80387 FPU ("i387") was a separate, optional math coprocessor that was installed...

confusion. However, Intel subsequently used the "DX" suffix to refer to the floating-point capability of the i486DX. The 387SX was an 80387 part that was compatible...

set computer (CISC) instruction set architectures initially developed by Intel based on the 8086 microprocessor and its 8-bit-external-bus variant, the...

(Similarly for iAPX 286, 80386, 80387.) The 8086 Family User's Manual. Intel Corporation. October 1979. p. B-1. OCLC 65699372. Intel Corporation (May–June 1980)...

8087 superseded. Other Intel coprocessors were the 80287 (actually - 80C287, as Intel moved to a CMOS process by that time), 80387, and the 80187. Starting...

were introduced in November 1989. The 83D87 was pin compatible with the Intel 80387, while the 83S87 was pin compatible with the 80387SX. Both provided up...

the 386SX, rather than the standard 386DX. This was because the original 80387 could not communicate with the altered 16 bit data bus of the 386SX, which...

competitive asset. In 1984, Commodore signed a deal with Intel to second source manufacture the Intel 8088 CPU used in the IBM PC, along with a license to...

like Intel x86, go as far as independent clocking schemes. CORDIC routines have been implemented in Intel x87 coprocessors (8087, 80287, 80387) up to...