[Coco] CocoSDC first time startup

[Bob Devries]

Gene,

there should be *NO* jumper on the 3-pin link block that's marked DRQ/AUTO.

Regards, Bob Devries
Dalby, QLD, Australia


On 2/02/2015 8:15 AM, Gene Heskett wrote:
> On Sunday 01 February 2015 16:24:00 Bob Devries did opine
> And Gene did reply:
>> Hi Gene,
>>
>> I thought you would know the procedure....
>>
>> Remove all except the CocoSDC, and power up with slot switch to the
>> CocoSDC. If that fails, you have a problem with the CocoSDC.
>>
>> Insert the FDC to slot 4 (actually, any slot should work) and point the
>> switch to the FDC and power up. Then try with the slot switch pointed
>> to the CocoSDC.
>>
>> Ditto with the TC3 and the RS232.
>>
>> BTW, what do you have on the SD card?
>>
>> AFAIK, the button on the CocoSDC is only to be used with multi-disk
>> programmes/games to change to the next disk.
>>
>> Regards, Bob Devries
>> Dalby, QLD, Australia
>>
> Its dead when plugged directly into the coco3 side port.
> All dip switches are left/off, and the jumper is set for DRQ.
>
> The led comes on for about 3/4 second when powered up, then goes out
> forever.  With or without either of the two supposedly blank 2Gb sd cards
> latched in.
>
> Inspected with a 16mm projection lens for a magnifying glass, there are no
> shorts, and all solder points appear to have a fillet of solder
> surrounding the pin.  I have a scope, 2 of them in fact, both 100 MHz dual
> trace, one is digital, but I'd need a schematic & chip docs to trace it
> intelligently.
>
> Have I set that 3 pin jumper correctly?  The other position is auto, but
> what that means I do not recall reading about.
>
> Thanks Bob.
>
>> On 2/02/2015 6:59 AM, Gene Heskett wrote:
>>> Greetings;
>>>
>>> I had to do some laundry that took me to the basement, so I plugged
>>> in the monitor, powered down the whole setup and plugged the SDC in
>>> for the first time.  Into slot one of the coco3 modified MPI. On a
>>> coco3.
>>>
>>> Switch set for slot 4, the FD Controller, TC^3 is in slot 3,  deluxe
>>> rs232 pack in slot 2
>>>
>>> Unfortunately, a plain green screen is all I can get on powerup. So I
>>> am assuming there is a magic potion or incantation to bring it up,
>>> but I am not conversant with it.  If the 2G SD is not plugged in,
>>> the LED will go out when the button is pushed, but if the SD card is
>>> inserted, no led.
>>>
>>> Power it back down, remove the cocosdc, power it back up and it boots
>>> right up as soon as the HD's get spun up.
>>>
>>> What else do I need to know?
>>>
>>> Thanks
>>>
>>> Cheers, Gene Heskett
>
>
> Cheers, Gene Heskett
>