Re: FAT-40 PET board check pls?

If it is *really* as in the schematic then you should indeed lift pin 10; seems unlikely though, although it may have confused someone.

m

----- Original Message ----- 
From: "Francesco Messineo" <francesco.messineo@gmail.com>
To: <cbm-hackers@musoftware.de>
Sent: Friday, January 05, 2018 1:35 PM
Subject: Re: FAT-40 PET board check pls?


> On Fri, Jan 5, 2018 at 7:13 PM, Steve Gray <sjgray@rogers.com> wrote:
>> No, they're not supposed to be lifted, instead the jumpers J1 and J2 should
>> be properly configured.These pins are part of an inverter in the clock
>> section to change the master timing. Its possible that this was an 80-column
>> machine converted to 40.
> 
> it's missing the additional video RAM to be an 80 column, all the
> jumpers he could check where for 40-c.
> Why one would lift those pins if converting a board?
> 
> 
> Thanks
> Frank
>> ________________________________
>> From: Francesco Messineo <francesco.messineo@gmail.com>
>> To: cbm-hackers@musoftware.de
>> Sent: Friday, January 5, 2018 11:48 AM
>> Subject: FAT-40 PET board check pls?
>>
>> Hi all,
>> can anyone with a 4032 (crtc 8032080 assy) please check if UD2 pin 10
>> and 11 are supposed to be lifted from the board?
>> A friend, not on this list, is repairing one and asked about this, he
>> found these two pins lifted. According to the schematic, they should
>> not be lifted, but I've never seen an 8032080 assy to be sure.
>>
>> Thanks a lot
>> Frank
>>
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>>
>>
> 
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