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Today's Topics:
1. Odd problems with a QL and Trump Card (Rich Mellor)
----------------------------------------------------------------------
Message: 1
Date: Sat, 27 Mar 2010 13:24:29 +0000
From: Rich Mellor <r...@rwapservices.co.uk>
To: ql-us...@q-v-d.com
Cc: Howard <howard.thom...@ntlworld.com>
Subject: [Ql-Users] Odd problems with a QL and Trump Card
Message-ID: <4bae070d.7060...@rwapservices.co.uk>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I have a customer who purchased a second hand QL off ebay and a Trump
Card from me.
The QL was in a poor state and would not start - but he fetched all the
chips out and reseated them, so it starts fine.
However, as soon as he plugged the Trump Card into the machine - it gets
through the chequer-board memory test - then comes up with a grey screen.
The PSU seemed under powered, so he has replaced the PSU and the Trump
Card + QL then started fine a couple of times.
However, having left the computer and Trump Card for a few days - he is
back to the same problem on start-up
Does anyone have any suggestions as to what this may be - I wonder if it
could be the 68008 chip??
back in the days of yore, we used to 'cure' QL's with marginal power problems by
replacing the 2 ROM's with a CMOS EPROM, really dropped the milliamp draw of the
QL's power supply bits. Somewhere in the back of my mind it seems that it
reduced the total draw by up to 30%
--
Paul Holmgren
Mine: 2 57 300-C's in Indy
Hers: 05 PT GT R/T HO Stage 1
Hoosier Corps L#6
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