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Scuznet SCSI to Ethernet Adapter PCB & parts kit

Trash80toHP_Mini

NIGHT STALKER
Link to original thread's down. Out of curiosity, how does the Snail's speed compare to Asante Cards on the 030 PDS? If I could manage the build, I'd probably get one for my SE that's chock full of Radius cards just to get it a Wifi antenna on the breakout board up and running.

 

Torbar

Well-known member
Link to original thread's down. Out of curiosity, how does the Snail's speed compare to Asante Cards on the 030 PDS? If I could manage the build, I'd probably get one for my SE that's chock full of Radius cards just to get it a Wifi antenna on the breakout board up and running.
https://68kmla.org/forums/index.php?app=forums&module=forums&controller=topic&id=58413

Here's a working link,  the "friendly url" links are still messed up so old links in the forum/google results are broken

 

TarableCode

Well-known member
The protocol used by the SCSI driver is well documented by saybur on their github.

I don't see why that documentation couldn't be used to add ethernet over USB to scsi2sd.

Of course the moral problem with that is it's effectively diverting money away from anyone who would buy the Scuznet board.

 

switch998

Well-known member
I want to get this done before I lose interest, so I'm having 10x PCBs manufactured and ordered 1 set of parts from DigiKey. I didn't realize there was a box and power adapter included in the CSV BOM, so that added ~$30 to the cost. If you buy in 1x quantity, the total cost (without case or 5v adapter) is about $39 for parts from digikey, plus $2 per PCB.

If anybody would like to buy one of the 9 spare PCBs for this, PM me and I will sell it to you for the $2 cost + ship cost.

 

switch998

Well-known member
Ok I'll follow up with everyone once the PCBs arrive. Right now I still have a few unclaimed.

 
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sutekh

Well-known member
If I'm counting right, they're all spoken for, but if not, I'd like to purchase one too (assuming the atxmega128a3u is pre-programmed). Thanks!

 

switch998

Well-known member
Ok so I just got these PCBs today, I had them done in red and here's what they look like.

Component



Solder



And here's the board post-assembly. This took about 2 hours to complete. Please note the power jack holes are too large for the jack itself, so I wrapped some solder wick around the pins for void fill before soldering it down.

OEY4Xpt.png.bc1b0b748956c780178c4ca2d3c5ec83.png


Solder side



I have 9 PCBs, people who are interested and posted above get first dibs. Please PM me with your address and I will send you my PayPal email so you can pay.

Shipping is $5 via First Class Mail Parcel, plus $2 for the PCB = $7 delivered.

You can purchase parts from DigiKey using the BOM files and DigiKey's BOM tool.

 
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Daniël

Well-known member
How do you solder the SD card connector? 
This type of connector has a flip over cover, the metal cover on top essentially flips up vertically. With that up, the pins, that are just about visible through the cover in the picture, should be accessible for soldering.

 

Trash80toHP_Mini

NIGHT STALKER
Very elegant in implementation and looks fantastic as well. What are the dimensions of the PCB? Were you able to decode the addressing  in order to use a single SCSCI ID for both functions?

 
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switch998

Well-known member
Very elegant in implementation and looks fantastic as well. What are the dimensions of the PCB? Were you able to decode the addressing  in order to use a single SCSCI ID for both functions?
PCB is 80x100mm. There's a technical discussion with a bit more detail here:





Just FYI to those who are building this: The BOM has a discrepancy (at least the CSV BOM on github does) where it calls for an atxmega64, while the firmware is built for atxmega128 in the makefile. I don't know if it will make a difference, but I would assume the 128 is the correct part.

I ordered the atxmega64 from the BOM without checking, and it would program but wouldn't boot up. After a few minutes of head scratching/debugging, I realized I had the incorrect part. I changed the target AVR type in the makefile, so we'll see if it works with the ATxmega64 once I have some time to set it up.

Also, to program this chip you'll need a PDI programmer, I used my EEPROM programmer TNM5000, which does support PDI (and writing the config EEPROM) over the ISP port. I think you may also be able to use a buspirate and avrdude, or JTAG.

 
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Trash80toHP_Mini

NIGHT STALKER
Thanks, so at 80x100mm, replacing the FDD in something like my PowerBook 150 and adding WiFi bits to it ought pose no technical problems? That's assuming hardwiring connections. I'd been planning to put a Micro EN/SC in the 150's HDD Bay along with a CF adapter on the IDE connector. But the Micro version seems sparse enough on the ground that I'm thinking more along the lines of preserving both of mine (DAMMIT!) rather than hacking one.

With WiFi, who really needs a Floppy? You could make it look just like your French Connection @bibilit [:D]

 
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maceffects

Well-known member
If this is a popular item, this might be something @maceffects could potentially build and sell at a low volume, if its economical. 
Sure, if demand exists and it can be done cheaply enough I'd be happy to help with something like that.  Though part of me wants to make a custom case for it too... :lol:

 
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