🚀 go-pugleaf

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