Date: Thu, 13 Jun 1996 14:40:24 -0700 From: Tony Tam <tam@cd.iidpwr.com> To: hackers@freefall.freebsd.org Subject: DigiBoard Message-ID: <199606132140.OAA17389@cd.iidpwr.com>
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Oleg N Panashchenko wrote: > > In article <Pine.BSF.3.91.960612092917.14946A-100000@cd.iidpwr.com> you wrote: > : Serge A. Babkin wrote: > : > Does your machine have over 15M of memory ? If so, you need to map > : > your Digiboard to some address in the ISA address hole (between > : > 640K and 1M). > : > > : > -SB > : Serge, > : Thank you for sharing your knowledge with me. > : Yes, my machine has more than 15M of RAM. It has 32M byte of RAM. > : I have tried what you recommend. I compiled my kernel with the following option now: > : device dgb0 at isa? port 0x320 iomem 0xf0000 iosiz ? tty > : But I am still having problems. Following is the error messsage > : I am having: > : Any idea? > > ISA address hole between 640K and 1M is partially occupied. > Usually, memory map of this range is like the following: > > 0xa0000 - 0xbffff - VGA+ video RAM > 0xc0000 - 0xc7fff - VGA BIOS > 0xf0000 - 0xfffff - Main system BIOS > > There are other devices that use this memory - SCSI controllers, several > (ancient) Ethernet cards and so. You need to check manuals for your > motherboard and add-on cards to find if they occupy memory range in > ISA address hole. > > As you see, 0xf0000 is already occupied. So, you need to select another > address again. Try, for example, with 0xd0000. > > Another problem can occur if you motherboard has 'Shadow memory' at the selected > address enabled. Verify that it is turned off in CMOS setup. > > Hint: It is not necessary to rebuild kernel every time you change > I/O address / IRQ / memory range for your hardware. Just type 2 symbols > at 'boot:' prompt: > > -c > > and answer 'visual' at the next prompt. Changes you made in the following > menu will be saved, so this and next time you will boot with changed > options. > > Oleg > > PS. If digiboard will be recognized by your box, ( I am sure, it will > be so), try to upgrade digiboard driver from > > ftp://tav.kiev.ua/pub/unix/FreeBSD/dgb_helg-Apr20.tgz Thank you for your information. My DigiBoard PC/8e is working with your new driver dgb_helg-Apr20.tgz now. It seems that the DigiBoard can only work at 0xd0000. I have tried 0xc8000, but no luck. Anyway, thank you for your help. -- Yours truly, Tony Tam +------------------------------+-----------------------------------------+ | Tony Tam | Imperial Irrigation District | | Imperial Irrigation District | 333 E. Barioni Blvd. | | email: tam@cd.iidpwr.com | P.O. BOX 937 | | tel: (619) 339 9454 | Imperial, CA 92251 | | fax: (619) 339 9189 | U.S.A. | +------------------------------+-----------------------------------------+
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