Re: Is it at all possible?

From: Santo Nucifora <santo.nucifora_at_gmail.com>
Date: Fri, 17 Feb 2017 18:26:36 -0500
Message-ID: <CAO6+Cm4tkGYpSiStL=GcuCAt1zsmhNKRngnZHg1tXg2e5EEX9Q@mail.gmail.com>
I don't see pin 1 connected but I'll have to take the board out and check
both.  I'll do that tomorrow with better light for pics.

Took a couple of quick pics of the boards at the same link.

http://vintagecomputer.ca/commodore-64-pics-326298-motherboards/



On Fri, Feb 17, 2017 at 6:17 PM, Bo Herrmannsen <bo.herrmannsen@gmail.com>
wrote:

> thanks... off to bed
>
> but can you says if any of the pins from rp4 is not connecting to anything?
>
> hmmm.... L4... there are a dashed line around it on the schematic, maybe
> that means not mounted or something...
>
> 2017-02-18 0:09 GMT+01:00 Santo Nucifora <santo.nucifora@gmail.com>:
>
>> Pics of L5 and RP4 on both boards.  Sorry, glare is present because of
>> lighting.
>>
>> http://vintagecomputer.ca/commodore-64-pics-326298-motherboards/
>>
>>
>>
>> On Fri, Feb 17, 2017 at 5:52 PM, Bo Herrmannsen <bo.herrmannsen@gmail.com
>> > wrote:
>>
>>> L5 i see also on the pic... between the switch and power input right?
>>>
>>> 2017-02-17 23:37 GMT+01:00 Santo Nucifora <santo.nucifora@gmail.com>:
>>>
>>>> I only see an L5.  Can't see any other L's actually.  That goes for
>>>> both.
>>>>
>>>> On Fri, Feb 17, 2017 at 5:34 PM, Bo Herrmannsen <
>>>> bo.herrmannsen@gmail.com> wrote:
>>>>
>>>>> L4 is proberly located in the very corner next to the slot and power in
>>>>>
>>>>> on some boards the are below the slot
>>>>>
>>>>> but on revC i just figured that we just have 2 equal inductors on the
>>>>> came core... red and green wire on the link i posted
>>>>>
>>>>> 2017-02-17 23:31 GMT+01:00 Santo Nucifora <santo.nucifora@gmail.com>:
>>>>>
>>>>>> A camera actually works better than a scanner.  I can take some pics
>>>>>> tomorrow with better daylight.
>>>>>>
>>>>>> Yes, that's where I read Rev A vs Rev C :)
>>>>>>
>>>>>> I can find RP4 (resistor pack bear the cartridge slot.  Where is L4?
>>>>>>
>>>>>> On Fri, Feb 17, 2017 at 5:23 PM, Bo Herrmannsen <
>>>>>> bo.herrmannsen@gmail.com> wrote:
>>>>>>
>>>>>>> nope that does not make sense either
>>>>>>>
>>>>>>> so you are not the only one that dont get date vs rev
>>>>>>>
>>>>>>> in the link i posted i can see rev C very faint at the bottom edge
>>>>>>> in the middle
>>>>>>>
>>>>>>> just under the component FB10 and next to C93
>>>>>>>
>>>>>>> 2017-02-17 23:20 GMT+01:00 Santo Nucifora <santo.nucifora@gmail.com>
>>>>>>> :
>>>>>>>
>>>>>>>> I'm not sure where to look.  Chip dates are:
>>>>>>>>
>>>>>>>> - 326298 Rev A - 6502 date: Week 48 82
>>>>>>>> - 326298 Rev C - 6502 date: Week 29 82
>>>>>>>>
>>>>>>>> I still don't get Commodore dates vs revisions.
>>>>>>>>
>>>>>>>> On Fri, Feb 17, 2017 at 5:17 PM, Bo Herrmannsen <
>>>>>>>> bo.herrmannsen@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Can you see any production dates on the Rev A and Rev C ?
>>>>>>>>>
>>>>>>>>> 2017-02-17 23:14 GMT+01:00 Santo Nucifora <
>>>>>>>>> santo.nucifora@gmail.com>:
>>>>>>>>>
>>>>>>>>>> Slight change to my last message.  I have two boards plus a
>>>>>>>>>> couple of extra C64 Silver labels that I don't know what's inside at this
>>>>>>>>>> point.
>>>>>>>>>>
>>>>>>>>>> The open ones have:
>>>>>>>>>> - 326298 Rev A
>>>>>>>>>> - 326298 Rev C
>>>>>>>>>>
>>>>>>>>>> That picture is a Rev C.
>>>>>>>>>>
>>>>>>>>>> On Fri, Feb 17, 2017 at 5:13 PM, Bo Herrmannsen <
>>>>>>>>>> bo.herrmannsen@gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> would it be pushing it using a scanner for that?
>>>>>>>>>>>
>>>>>>>>>>> benefits are able to get better image...
>>>>>>>>>>>
>>>>>>>>>>> does the board look the same as this: http://myoldcomputer.nl/
>>>>>>>>>>> wp-content/uploads/2015/11/board-326298.jpg
>>>>>>>>>>>
>>>>>>>>>>> but i need details arround RP4 and L4
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> 2017-02-17 23:07 GMT+01:00 Santo Nucifora <
>>>>>>>>>>> santo.nucifora@gmail.com>:
>>>>>>>>>>>
>>>>>>>>>>>> I have a C64 326298 board in front of me.  It's not for sale
>>>>>>>>>>>> but I'm happy to take detailed pics if you need them.
>>>>>>>>>>>>
>>>>>>>>>>>> On Fri, Feb 17, 2017 at 4:47 PM, Bo Herrmannsen <
>>>>>>>>>>>> bo.herrmannsen@gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> also C48 and C93 is missing
>>>>>>>>>>>>>
>>>>>>>>>>>>> 2017-02-17 22:24 GMT+01:00 Bo Herrmannsen <
>>>>>>>>>>>>> bo.herrmannsen@gmail.com>:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> @Ruud
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Found some errors in your schematic
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> U31 pin 16 is missing
>>>>>>>>>>>>>> C68 is missing
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> 2017-02-17 21:37 GMT+01:00 Bo Herrmannsen <
>>>>>>>>>>>>>> bo.herrmannsen@gmail.com>:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> @Silver no problemo... its no rush. I'm still getting my
>>>>>>>>>>>>>>> head to absorb the schematic from the Programmer's Reference Guide and
>>>>>>>>>>>>>>> schematic #326106. There are a few differences allready between the 2 and
>>>>>>>>>>>>>>> so far i have just put a circle arround them
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> But so far RP4 and L4 is the mystery bits. L4 is just listed
>>>>>>>>>>>>>>> as a line filter with no values at all or any mfg code. all i know is that
>>>>>>>>>>>>>>> its 2 inductors in one unit
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> RP4 is a resistor pack with one common pin, but given its
>>>>>>>>>>>>>>> listed as a 10 pin device there are 9 resistors inside, but i can only
>>>>>>>>>>>>>>> count 8 on the schematic so i guess 1 is unused.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> 2017-02-17 21:23 GMT+01:00 <silverdr@wfmh.org.pl>:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> > On 2017-02-17, at 20:55, Bo Herrmannsen <
>>>>>>>>>>>>>>>> bo.herrmannsen@gmail.com> wrote:
>>>>>>>>>>>>>>>> >
>>>>>>>>>>>>>>>> > @Silver
>>>>>>>>>>>>>>>> >
>>>>>>>>>>>>>>>> > When you come by the 326298 please let me know.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> As I wrote, I should have one somewhere. The keyword here
>>>>>>>>>>>>>>>> is "somewhere". So I might have a quick look but if it's not easily found
>>>>>>>>>>>>>>>> then I won't be able to dedicate enough time to dig it out. And - obviously
>>>>>>>>>>>>>>>> - it won't be for sale but I might check a thing or two for you if needed.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> BTW. Some time ago I had a short discussion about VIC-20
>>>>>>>>>>>>>>>> boards here. I don't remember know exactly with whom but if the person who
>>>>>>>>>>>>>>>> wanted me to check things on those boards reads the list - please come back
>>>>>>>>>>>>>>>> with your question again. Seems that I managed to gather /I think/ all my
>>>>>>>>>>>>>>>> VIC-20s under one roof so I can check whatever you wanted to check there.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>> SD!
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>        Message was sent through the cbm-hackers mailing list
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>


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Received on 2017-02-18 00:00:35

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