ibm pc - Are there any good, non-abandoned PC emulators ...
Aug 20, 2021 · It performs full emulation of IBM PC/XT (8088) hardware that implements the chipset/ISA using the actual BIOS images of the PC, video cards and hard drive controllers. It …
ibm pc - What was IBM's first word processor for the PC and what ...
Feb 7, 2025 · A number of software packages were available at launch with the IBM PC. The word processor in the list was EasyWriter (which wasn’t developed by IBM, but by John …
ibm pc - How was the first ever IBM PC BIOS image created? Can …
May 16, 2025 · 10 How was the first ever IBM PC BIOS image created? Using an 8088 CPU development system offered by several manufacturers, but most likely from Intel. Halfway …
ibm pc - Origin of CHS geometry limits in BIOS calls
Oct 21, 2024 · A small preface: the XT wire HDD interface had limits of 1024 cylinders, 16 heads and 63 sectors. But the BIOS calls (int 13h with AH = 02, 03, 08) provided different limits: 1024 …
Floppy drive detection on an IBM PC 5150 by PC/MS-DOS
Aug 20, 2023 · Since function AH=08 (Get current drive parameters) is unavailable, how does PC-DOS/MS-DOS detect the number and type (e.g. 180 kB or 360 kB) of floppy drives on a pre …
ibm pc - Who set the 640K limit? - Retrocomputing Stack Exchange
Oct 1, 2018 · The "640k limit" (hole in contiguous RAM) was just 1 of a series of short-sighted, odd, and/or bad decisions involving the PC. Others include a) IBM choosing 8086 family over …
ibm pc - Was there a notable mainstream 640×480 monochrome …
Oct 31, 2023 · On IBM PC compatibles, the first widely-known display subsystems capable of displaying 640×480 pixels (resulting in square pixels with a 4:3 display) were the MCGA and …
ibm pc - IBM 5153 monitor vertical resolution - Retrocomputing …
The IBM 5153, the color monitor accompanying the original IBM PC, was designed to work with the CGA graphics card, vertical resolution 200 scan lines. This was quite unsurprising and …
ibm pc - How did an IBM 5150 with 16KB RAM work?
Dec 30, 2017 · 22 The minimal version of IBM PC, also known as cassette version, was shipped with 40KB ROM and 16KB RAM as outlined in IBM 5150 Technical Reference (SECTION I. …
ibm pc - What AT clones supported XT keyboards?
Apr 9, 2025 · At least some IBM Model M keyboards supported XT/AT autodetect, but this is out of scope of this question. Additionally, there are also Type 1 (PC) and Type 2 (PC XT) …