d88-cwe@nada.kth.se (Christian Wettergren) (02/20/90)
Hello! I'm currently doing some work on an IBM PS/2 model 55, and I need some info; 1. How do I get an IO-port and an interrupt-channel on PS/2s. I need a rather technical explanation, because I have to code that part. (Isn't the MCA in- -volved in some way??) 2. What interrupt-controllers do you have on an PS/2? Is it the same structure that the old AT has (no, how strange?) with a master PIC and a slave PIC? Is it the MCA that selects IRQ-channel or is it some other interface? 3. If this is the wrong newsgroup, where should I post this kind of questions? I've been looking all over our library, but I can't find anything at all... Should I look in some particular book, paper etc etc... Thanks a lot in advance, Christian Wettergren, d88-cwe@nada.kth.se
gerten@uklirb.informatik.uni-kl.de (Rainer Gerten) (02/20/90)
In article <2996@draken.nada.kth.se> (Christian Wettergren) writes: >1. How do I get an IO-port and an interrupt-channel on PS/2s. I need a rather > technical explanation, because I have to code that part. (Isn't the MCA in- > -volved in some way??) >2. What interrupt-controllers do you have on an PS/2? Is it the same structure > that the old AT has (no, how strange?) with a master PIC and a slave PIC? > Is it the MCA that selects IRQ-channel or is it some other interface? >I've been looking all over our library, but I can't find anything at all... >Should I look in some particular book, paper etc etc... As far as I know, the PS/2-machines are quite upward compatible to the IBM AT in their structure, but far more flexible (and software-programmable). For getting information about the interrupts and the io-ports, you should look in the "Personal System /2 model 55 technical reference" and the "Personal System /2 bios reference manual". There are a lot of other book around, but I use these two quite often. Rainer Gerten University of Kaiserslautern West-Germany mail: gerten@uklirb.informatik.uni-kl.de
d88-cwe@nada.kth.se (Christian Wettergren) (02/23/90)
Thank you for your help! I do have the Techrefs now, so my problems should be solved... I know now that I should use c.s.i.p instead of this newsgroup. Regards, Christian Wettegren, d88-cwe@nada.kth.se