The Personal System/2 Model 55 SX is a midrange desktop computer in IBM 's Personal System/2 (PS/2) family of personal computers. First released in May 1989, the Model 55 SX …

PS/2 Models 50 (IBM 8550) and 60 (IBM 8560) used the Intel 286 processor, the PS/2 Models 70 386 (IBM 8570) and 80 used the 386DX, while the mid-range PS/2 Model 55 SX (IBM …

Jan 13, 1999 · IBM PS/2 (Model 55 SX/55 LS) - Technical specifications. Applicable to: World-Wide. IBM Personal System/2 Model 55 SX/LS. "The Model 55 SX enhances the Personal …

This instructable involves physically hacking open a Dallas DS 1287 assembly, and also rigging an older ATX style power supply to work with an IBM PS2 55SX. Since I discover a lot of …

The 55SX was the first PS/2 machine with an i386SX processor, Intel's stripped- down version of the i386DX processor. Since the CPU core is the same, you can run all 386 software on it, but …

IBM PS/2 MODEL 55SX & 55LS (8555) (Early) is a motherboard based on the IBM PS/2 Model 55sx (early) chipset. Get specs, BIOS, documentation and more!

Jan 19, 2009 · The IBM PS/2 model 55sx was IBM's attempt at a mid-range computer for business and professional use. The 55sx was the first IBM computer to utilize a 32 bit …

The 55SX takes PS/2 SIMMs, 1 MB, 2 MB, or 4 MB, either 85 ns or 100 ns. I'm pretty sure it can also take 80 ns SIMMs (definitely can in the 4mb size), but I'm not certain.

Dec 19, 2008 · If you have an IBM PS/2 Model 55SX, please read this post before replacing it, especially with a dallas ds12887A. MikeS: I pretty much completely rewrote this post to be less …

Mar 9, 2016 · I have bought an IBM PS/2 55SX. During booting it displays errors 165 and 163, and after pressing a function key (I don't remember which one, I think F2) it boots into ROM …