Pin 1 on the 27512 is adress line 15
Pin 1 on the 27256 it is Vpp
Should it be grounded?
On 22 Apr 2001 18:43:19 +0200, in local.msx.int you wrote:
>
>Hi,
>
>The ROM should work. Are you sure about pin one removal wil do the trick?
>It should be tied permanently to either ground or +5V, not left just not
>connected.
>
>I am sure the pin layouts are on the web somewhere, at least in the EPROM
>related articles by Elektuur in the do it yourself -magazines section of my
>webpage. The EPROM in statische geheugenuitbreiding discuuses just this
>subject.
>
>Hans
>www.geocities.com/msxhans
>
>PS Cd is on its way tomorrow!
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