Eric, Thanks for your time and attention. See my responses inline.
On 6/27/2016 3:05 PM, Eric Auer wrote: > > Hi Abe, > >> upon bootup and selecting option 1, I get the following message: >> >> JemmEx v5.75 [05/21/11] >> System memory found at c900-dfff, region might be in use >> JemmEx loaded >> Kernel: allocated 46 Diskbuffers = 24472 Bytes in HMA >> >> after which nothing ever happens. It hangs permanently. > > This means that JEMMEX (EMM386) tried to allocate UMB but > predicted troubles. Soon after that, DOS does indeed hang. > I suggest to select a boot option without JEMMEX instead. > I understood JEMMEX to be the preferred option. Yes, the other boot options all work. > Alternatively, you could change the JEMMEX options in your > config.sys to more cautious settings regarding UMB areas. > Then you get at least some UMB and thus more free DOS RAM. > Can you point me in the direction of a good resource where I could learn about adjusting the JEMMEX options/settings? <sincere question>Why are the JEMMEX defaults not set to work with a fresh install? Or does it work for most people, and my 3 computers just happen to all not work?</sincere question> >> I don't believe this is related to the UIDE driver... > > It is possible that the same memory area where JEMMEX tries > to allocate UMB is also in use for disk, network or UMB I/O > buffers of your virtual hardware... So it is possible that a > crash is more likely with UIDE (more modern disk I/O) but a > better solution compared to avoiding UIDE would be to select > more cautious JEMMEX options regarding that memory region. > Perhaps I should allocate more than 32MB of RAM to avoid this collision? I will try that too. >> Boot options 2,3,4 all work without issue. > > What are the names of boot options 1, 2, 3 and 4 respectively? > They are the stock options found in the C:\FDCONFIG.SYS file: 1 - Load FreeDOS with JEMMEX, no EMS (most UMBs), max RAM free 2 - Load FreeDOS with EMM386 (Expanded Memory) and SHARE loaded 3 - Load FreeDOS including XMGR XMS-memory driver 4 - Load FreeDOS without drivers I have not altered C:\FDCONFIG.SYS. > Regards, Eric > Thanks again > > > ------------------------------------------------------------------------------ > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San > Francisco, CA to explore cutting-edge tech and listen to tech luminaries > present their vision of the future. This family event has something for > everyone, including kids. Get more information and register today. > http://sdm.link/attshape > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user > ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries present their vision of the future. This family event has something for everyone, including kids. Get more information and register today. http://sdm.link/attshape _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
