The Intel 80387SX (387SX or i387SX) is the math coprocessor, also called an FPU, for the Intel 80386SX microprocessor. Introduced in 1987, [1] it was used to perform floating-point …

2025年3月10日 · Intel 80387 is a co-processor for 80386 microprocessor family. The 80387 runs at the same speed as the 80386 and supports all execution modes of the main processor - …

YNew Automatic Power Management —Low Power Consumption —Typically 100 mA in Dynamic Mode, and 4 mA in Idle Mode. YSocket Compatible with Intel387 Family of Math …

Intel 80387SX （ 387SX或I387SX ）是Intel 80386SX微处理器的数学协处理器，也称为FPU 。 它于1987年推出，用于直接在硬件中执行浮点算术操作。 该协同处理器的设计仅用于与386SX …

Description: Math Coprocessor. 5 Results. Part #: 80387DXRPQB. Datasheet: 444Kb/17P. Manufacturer: Maxwell Technologies.

The M6117C is a highly integrated, low voltage, single-chip implementation of Intel? 386SX compatible microprocessor plus ULi M1217B chipset.

2024年3月15日 · 80387SX CONNECTIONS Purpose Location Purpose Location CPU daughterboard D1 Parallel port (LPT1) J10 Expansion slot card J1 VGA interface J12 PS/2 …

You're welcome to post suggestions, corrections, your own personal Intel N80387SX-20 review, or your experience with the floating-point unit. Please do not ask upgrade and troubleshooting …

am386的浮点性能还可以通过添加 80387 dx（英语： 80387 dx）或 80387sx （英语： 80387sx ）协处理器来提高，虽然配备387的am386的浮点性能仍然无法与486dx的片上fpu相比。

Hardware for the processor is described. Three other members of the family, namely, the 82370 integrated system peripheral, the 27C203A pipelined 256-byte EPROM, and the 80387SX …