Re: Is it at all possible?

From: Santo Nucifora <santo.nucifora_at_gmail.com>
Date: Fri, 17 Feb 2017 18:09:05 -0500
Message-ID: <CAO6+Cm4rUxhC8yWqMWxwJKYurkh4HOQE-Me+3g4nx-SFuFU4FA@mail.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 00:00:02

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