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- Path: news.ping.at!prosys!dieter
- Newsgroups: comp.sys.amiga.hardware
- From: dieter@prosys.co.at (Dieter Sabathi)
- Subject: Re: Strange A4000 Problem
- References: <dieter.23vn@prosys.co.at> <1583.6530T72T665@mailhost.cyberhighway.net>
- X-NewsSoftware: GRn 2.1 Feb 19, 1994
- MIME-Version: 1.0
- Content-Type: text/plain; charset=iso-8859-1
- Content-Transfer-Encoding: 8bit
- Message-ID: <dieter.24cz@prosys.co.at>
- Date: Tue, 30 Jan 96 17:20:19 MEZ
- Organization: PRO system Computersysteme
-
-
- In article <1583.6530T72T665@mailhost.cyberhighway.net> madmaxx@mailhost.cyberhighway.net (Marv Birkinbine) writes:
- >
- > >Hello
- >
- > >I have a strange Problem with my A4000:
- > >What else can effect the ZorroII DMA ????
- >
- > >Thanks for your help
- > > Dieter
- >
- > Dieter, your problem is not in the ZorroII DMA. the two boards you mention
- > require a stable power berst and a sustained power sig. to function properly
- > the A4000 desktop power supply in not stable and only has a peak of 4.6 V
- > and is only 135w. barly enough to power the motherboard you need 5.5 peak 4.9
- > constent. and a min. 200w-300w.
-
- It really was a strange problem :-)
-
- After hours of changing parts (CPU, doughterboard,Buster and so on, the system
- is suddently working !!!!!
-
- I don`t know why but it is .....
-
- Maybe some of the buster pin`s had a problem.
-
- Tnx to everyone who was trying to help me!
-
- Greetings
- Dieter
- --
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