Re: Fat40 RAM problem?

From: Gerrit Heitsch <>
Date: Sun, 31 Aug 2014 18:39:28 +0200
Message-ID: <>
On 08/31/2014 05:51 PM, A. Fachat wrote:
> On Sunday 31 August 2014 16:14:34 you wrote:
>> Hi,
>> So if it is not the RAM, what could happen in the driver - probably UE9 or
>> UE10 here
>> -05.gif that causes this? Probably a slight delay in switching the line on
>> or off?
> Nope. Got it. It in fact was the RAM itself.
> Replaced the UE9 and UE10 74LS244 buffers to no avail, still not full memory.
> Then replaced the UA16 RAM - there you go, full memory!

Learn something new every day... I didn't think that a 4116 DRAM would 
be able to 'win' against an LS-TTL driver.


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Received on 2014-08-31 17:00:03

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