At 09:21 PM 3/29/2004 +0200, Bernd Blaauw wrote:
>>Not yet, looks like it should be. I'll see about it, read what MS docs say about >>the option. Should be a reasonably quick add, since it's awfully close to NOEMS in >>a lot of behaviors. > >suggested using FRAME=NONE to Erwin, since he needs to limit VCPI to 2MB, but NOEMS >makes 32MB on his 512MB machine. NIOS doesn't like it. So, instead, don't use NOEMS >but EMM=2048. >if not using NOEMS, EMS is provided. >And if EMS is provided, 64KB UMB-space is used for pageframe. >Unless FRAME=NONE is possible. Yeah, NIOS is why I want to add FRAME=NONE. I'd also like him to narrow down exactly where NIOS kicks out on the EMM= setting. I may throttle the VCPI reserve to the lower of 1/16th extended or 2M, although I don't much like to since it's such an elegant solution otherwise -- at least until or if the EMS and XMS pool is changed to a shared one. The problem with not saving any VCPI reserve is that there exist DOS extended applications which will only allocate from the VCPI reserve and not XMS, so I have to give more than just bit of K to VCPI or they die. Hopefully 2M or so will be enough for those guys. Think Bart had a tested application like that, will have to ask him to retest if I lower the VCPI reserve and make sure all his apps still work. >by the way, would that limit his available XMS to 32MB? >(since you said EMS/VCPI takes 1/16th, and 2MB is 1/16 of 32MB) Nope. >perhaps a switch for HIMEM is a lot easier for limiting the available extended memory >that EMM386 can use >(nnnn in MBs, top is 4096 or 2048, bottom is 1MB or 2MB) : /MAXMEM=nnnn >or rename it to /NOABOVE16=nnnn :) >(but what's the current upper-limit for /NOABOVE16 without a value? 16MB? 64MB?) 63M is around the maximum for /NOABOVE16 which is counterintuitive from the expected 16M, but you have to blame Microsoft for that one. ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ Freedos-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/freedos-devel
