[micro.ibm] How much memory I have?

ctk@ecsvax.UUCP (04/15/84)

Hello,  I am trying to put 640k in an ibm pc with the old mother board. Before
I buy the additional memory (I have 512k now) I am experimenting with the
program in the 8/83 issue of Softalk. This program modifies the bytes
at 40:13 and 40:14 to change the bios data area. It seems to me that if
I do this with debug to **reduce** the amount of memory the system thinks
it has I should be able to observe some results. However, when I do this and
use chkdsk to see how much total memory I have no reduction has happened.
What is going on? Has anyone else used the Softalk routine? I'm using DOS 2.0
and the routine is for 1.1. Has something important changed?
	There are other rumors around about this problem. A) Leave the switches
alone; drop in the memory; DOS 2.0 will take care of you.
	B) IBM has a rom upgrade that will do the deed. Computer land says that
this rom upgrade is for the new IBM network and that Boca Raton makes no promises
about anything else.

                      What is the story?
    C.T. Kelley
    Dept. of Math.
    N.C. State U.
    Raleigh, N.C. 27650
    decvax!mcnc!ecsvax!ctk