See also: Int/11 Bits Description and Values ------- ------------------------------------------------------------ 0 1 if floppy drive present (see bits 6&7) 0 if not 1 1 if 80x87 installed (not valid in PCjr) 2&3 system board RAM (not used on AT or PS/2) 00 - 16k 01 - 32k 10 - 48k 11 - 64k 4&5 initial video mode 00 - no adapter 01 - 40 column color (PCjr default) 10 - 80 column color 11 - MDA 6&7 number of diskette drives minus one. (drive count is bit value + 1) 8 0 DMA present 1 DMA not present (PCjr, Tandy 1400, Sanyo 55x) 9&A&B number of RS232 serial ports C number of game adapter (joystick) installed D number of serial printers installed (PCjr only) E&F number of parallel printers installed note 1) The IBM PC and AT store the settings of the system board switches or BIOS/CMOSRAM setup information (as obtained by the BIOS in the Power-On Self Test (POST)) at addresses 40:10h and 40:13h.
file: /Techref/bios/40/10.htm, 1KB, , updated: 1999/2/20 11:24, local time: 2024/9/1 07:06,
18.191.28.129:LOG IN
|
©2024 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions? <A HREF="http://piclist.com/Techref/bios/40/10.htm"> BIOS Data Area Installed Equipment Flag [0040:0010]</A> |
Did you find what you needed? |
![]() o List host: MIT, Site host massmind.org, Top posters @none found - Page Editors: James Newton, David Cary, and YOU! * Roman Black of Black Robotics donates from sales of Linistep stepper controller kits. * Ashley Roll of Digital Nemesis donates from sales of RCL-1 RS232 to TTL converters. * Monthly Subscribers: Gregg Rew. on-going support is MOST appreciated! * Contributors: Richard Seriani, Sr. |
Welcome to piclist.com! |
.