PAK68 in st

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3 total messages Started by Rudi van Drunen Fri, 31 Jul 1992 11:59

#113

Author: Rudi van Drunen
Date: Fri, 31 Jul 1992 11:59

14 lines
846 bytes

HI you netlanders !

Is there someone outhere on the net who has a PAK68K/2 (the c't project)
built into a mega(4) st ?
I might start the project, and am intrested in any problems I might run
into. I intend to use tos 2.06 on the board, does it have to be patched
for this ?

Please mail me at rudi@cs.rug.nl

Rudi van Drunen

University of Groningen, The Netherlands.

Re: PAK68 in st

#117

Author: Holger Lesch
Date: Fri, 31 Jul 1992 16:27

29 lines
1597 bytes

In <1992Jul31.115956.9427@bernina.ethz.ch> rudi@igc.ethz.ch (Rudi van Drunen) writes:

>HI you netlanders !

>Is there someone outhere on the net who has a PAK68K/2 (the c't project)
>built into a mega(4) st ?
>I might start the project, and am intrested in any problems I might run
>into. I intend to use tos 2.06 on the board, does it have to be patched
>for this ?

Hi !

You migth get problems with your RAM, if it is to slow... I had
problems with my old 1040STF with 4MB of 150ns DRAMs- since I've
used 100ns-chips everything's o.k. Spectre won't work with PAK,
don't know why (does anybody out there ?), and the AT-Speed C16
3.5 won't work either (3.02 does). Minix won't work (maybe it will
sometimes). TOS 2.06 works without any changes and recognizes
the CPU as well as the FPU.

Holger
-- 
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# Sybelstrasse 23               holger@zelator.in-berlin.de #
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Re: PAK68 in st

#121

Author: Matthias Pfaller
Date: Mon, 03 Aug 1992 09:14

27 lines
1711 bytes

In article <HGM5BAQ@zelator.in-berlin.de>, holger@zelator.in-berlin.de (Holger Lesch) writes:
> In <1992Jul31.115956.9427@bernina.ethz.ch> rudi@igc.ethz.ch (Rudi van Drunen) writes:
> 
> 
> >HI you netlanders !
> 
> >Is there someone outhere on the net who has a PAK68K/2 (the c't project)
> >built into a mega(4) st ?
> >I might start the project, and am intrested in any problems I might run
> >into. I intend to use tos 2.06 on the board, does it have to be patched
> >for this ?
> 
> Hi !
> 
> You migth get problems with your RAM, if it is to slow... I had
> problems with my old 1040STF with 4MB of 150ns DRAMs- since I've
> used 100ns-chips everything's o.k. Spectre won't work with PAK,
> don't know why (does anybody out there ?), and the AT-Speed C16
> 3.5 won't work either (3.02 does). Minix won't work (maybe it will
> sometimes). TOS 2.06 works without any changes and recognizes
> the CPU as well as the FPU.
Hi!
I too had problems after installing The PAK68K/2 in my MegaST4 and I too
have 150ns Ram.  I could solve the problem by removing U32/U35 (74LS244)
and U33/U36 (74LS373) and replacing it with F-type devices.

	Matthias

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