Re: Is it at all possible?

From: Bo Herrmannsen <bo.herrmannsen_at_gmail.com>
Date: Sat, 18 Feb 2017 08:33:01 +0100
Message-ID: <CAFqpYu60FZec9Vyi3_tJ5oc6-ommY2uVXexN09DtZrPJQ7KSCQ@mail.gmail.com>
no rush

i think i can see L4 on this pic:
http://vintagecomputer.ca/wp-content/uploads/2017/02/C64-326298-Rev-A-front.jpg

upper right corner just nex to the screw... the "coil" thingy might cover
the text.

2017-02-18 0:26 GMT+01:00 Santo Nucifora <santo.nucifora@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
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>


       Message was sent through the cbm-hackers mailing list
Received on 2017-02-18 08:00:02

Archive generated by hypermail 2.2.0.