The Intel 80387SX (387SX or i387SX) is the math coprocessor, also called an FPU, for the Intel 80386SX microprocessor. Introduced in 1987, it was used...

The Intel 386, originally released as 80386 and later renamed i386, is a 32-bit microprocessor designed by Intel. The first pre-production samples of the...

i386SX requires its own coprocessor, the 80387SX, which is compatible with the SX's narrower 16-bit data bus. Intel released the low power version of 387SX...

socketed for the 80287, and 80386/80386SX-based machines – for the 80387 and 80387SX respectively, although early ones were socketed for the 80287, since the...

1989. The 83D87 was pin compatible with the Intel 80387, while the 83S87 was pin compatible with the 80387SX. Both provided up to 50% more performance,...

package for AMD to Intel's employee. AMD had previously been a second-source manufacturer of Intel's Intel 8086, Intel 80186 and Intel 80286 designs, and...

2022. Retrieved 1 January 2023. Intel 8087 datasheet, pg. 1 The 80187 only has a 16-bit data bus because it used the 80387SX core. "Essentially, the 80C187...

to the IBM PC Convertible. The "SX" in the name refers to its CPU, the Intel 80386SX. The L40 SX was designed and manufactured over the course of thirteen...

alongside the 1.44 MB 3.5" floppy drive. The motherboard has a socket for the 80387SX math coprocessor. The RSX still retains the Tandy 1000 3-voice sound hardware...

floating-point unit expansion daughterboard for the 80386SX Card, employing an 80387SX, was released in summer 1989. In December 1988, Cumulus formed a joint...