On Mon, Jul 18, 2016 at 10:48 PM, Eric Auer <e.a...@jpberlin.de> wrote:
> Hi Dimitris,
> > * Getting rid of himemx: this works ...
> But very slow and lots of floppy access: I assume you booted from
> floppy because the BIOS does not support CD boot and the CD also
> needs to be some ancient model connected to the sound card? Then
> I wonder if a newer model would work if connected to the normal
> IDE controller which your 486 must already have. Because then it
> may be possible to boot with a Smart Boot Manager floppy to CD...
> If you have questions about SBM, Rugxulo could probably help ;-)
Indeed! Your assumptions are correct. Getting SBM installed to a floppy was
tricky but I got it. However it does not detect any CDROM drives, no matter
if they are connected on the SB16 IDE or the VL Bus Secondary IDE. I
tried 1E0-1EFh I/O port range per
http://support.creative.com/kb/ShowArticle.aspx?sid=3039 and looking at the
SB16 jumpers but no luck.
> > * Replacing himemx with XMGR.SYS /T0 (kudos to Jack)
> Cool to know that XMGR works, but what does /T0 mean? Maybe there
> is some option for HIMEMX which makes a similar selection, which
> could make HIMEMX work as well? :-)
Jack told me /T0 helps with systems with less than 64MB RAM such as mine,
> > * Although installation of 1.2 finishes successfully, system fails
> > to boot, hangs right after BIOS system summary is displayed.
> I agree that FDISK /MBR may help. It would replace existing boot
> code in the MBR with a "normal" version. Note that if you have to
> use something like OnTrack "drivers" hidden in the MBR to use the
> full capacity of the harddisk (due to too old BIOS), then this can
> overwrite the driver: You might have to install DOS and/or driver
I tried it but nothing changed. I am not using any drives with OnTrack
connected atm - I do have some that I may use later.
> > * UDVD2 is able to detect the CDROM connected to the SB16 IDE interface.
> > Unfortunately only the CDROM drive that was supplied with sound
> > card appears to work there (MATSHITA CR-581-M)...
> See above :-)
> Cheers, Eric
This turned out to be a red herring, I was able to get all the CDROMS
detected by UDVD2 while both of them sitting on the SB16 IDE in
master/slave configuration. I suspect I did a mistake during my previous
> PS: You may also have a way to change A20 style in BIOS setup,
> which can help HIMEMX and XMGR to work without magic options.
BIOS has a Fast and Normal setting for A20, it is currently set to Fast.
Will try Normal later.
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