486SX


Also found in: Medical, Wikipedia.

486SX

486SX

A slower version of the 486 without the math coprocessor. 486SXs could be upgraded to 486DX2s with Intel's OverDrive chip, which included the coprocessor. The DX2 chip was plugged into the empty coprocessor socket, disabling the original CPU. See 486.
References in periodicals archive ?
The VX1/VX2's Intel(R) 486SX ULP processor and ROM-DOS(R) 6.
System requirements: 486SX (33 MHz) or higher microprocessor, Memory 8MB of RAM, hard disk space 6 MB, CD-ROM drive double speed or faster, SVGA 256 color monitor, Windows 95 operating system and Windows NT Workstation 3.
Purchase no less than a 486SX computer running at 33 MHz.
IBM also plans to phase out all 486SX chips, offering 486DX2/66MHz processors as the entry-level retail product.
The 486SX and several hybrid 486/386 systems made by companies other than Intel (Intel Corp.
For example, a 486SX with 4MB RAM, 40MB HD computer was sufficient for DOS Lotus but not for the newer Windows and spreadsheet software, which are disc- and memory-space eating software.
3 volt Intel 486SX processor running at 20 MHz, with an internal 120 Mb Hard Disk Drive.
The 486SX lacks the math coprocessor that a 486DX has, but is more reasonably priced.
The PowerPC is a giant leap ahead of today's best PC processors, the 486SX in the IBM world and the 68040 in the Mac world, because it uses a technology known as "reduced-instruction-set computing.
Even though a 486DX is faster than a 486SX, don't write off the SX if it suits your needs.
The next system adequate for most Windows applications is a 386/25 MHz or a 486SX.
5 or higher), 486SX processor (DX2 or higher recommended), 8MB RAM (16 or higher recommended) and a VGA graphics card (SVGA recommended).