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RaSCSI Development Thread

NoTrueSpaceman

Active member
Slightly offtopic here, but from my experience (admittedly with scsi2sd) it is a lot easier to just copy the A/UX image to a virtual hard disc, boot from that and not muck about with CD-ROM emulation at all.  The installer will quite happily run from something it thinks is an HD.
I tried that route and didn’t get it to work. How did you copy the image to a virtual hard disk? Do you mean mounting the iso? 

 

cheesestraws

Well-known member
I tried that route and didn’t get it to work. How did you copy the image to a virtual hard disk? Do you mean mounting the iso?  
I'm going to write up a writeup of how to do it when I have time and energy.  What I think I did was set up a new block device on the scsi2sd (using v6 here), dded the ISO onto it, replaced the driver on that logical device with the normal hard disc one using HD SC setup, then booted from it.  It does work, because this is the only way I could get the thing installed here :) .

 

Byte Knight

Well-known member
Ok, got the emulated HD up and running on my LC III with OS 7.5.5 after tinkering around with HD SC Setup 7.3.5 (Patched).  No such luck with mounting CD's.  I've installed Apple CD/DVD Driver 1.3.5 and patched it per instructions, but I get the "disk unreadable by this Macintosh" message (see below) when I try to mount a CD.  It appears that it at least sees the image as a CD.  Maybe my iso disc image is bad?  Is there any site that has a bunch of Mac iso image downloads that I could use for testing?

Screen Shot 2020-09-15 at 5.19.43 PM.png

 

Byte Knight

Well-known member
So I downloaded the Myst French version iso image from Macintosh Garden and the CD mounts fine.  Still looking for a site with Mac CD iso images or does everyone just convert them from other image formats?

 

landoGriffin

Well-known member
I usually start with www.macintoshrepository.org and www.macintoshgarden.org.

If you find a .toast file, you just need to rename it to .iso, and it should work fine with RaSCSI

 

landoGriffin

Well-known member
One step closer to working Ethernet! Today RaSCSI was able to receive packets from the Mac and write them to a Linux tap device :)  

2020-09-20-163010_3840x1080_scrot.png

Traffic still doesn't go the other way, so the overall function is FAR from usable, but this made me happy! :-D

Happy Sunday everyone!

 

Byte Knight

Well-known member
One step closer to working Ethernet! Today RaSCSI was able to receive packets from the Mac and write them to a Linux tap device :)  

Traffic still doesn't go the other way, so the overall function is FAR from usable, but this made me happy! :-D
Nice!  It would be awesome to have Ethernet functionality too.

 

cheesestraws

Well-known member
Nice!  It would be awesome to have Ethernet functionality too.
The fun thing here is because it's a tap interface, you can run other software on the r-pi directly plugged into that "network".  So, for example, you could bridge the tap interface to a wireless interface and add a bit of code to configure the wireless either through a web UI or by broadcasting the SSIDs you can see via NBP and writing a little Chooser extension to switch between them (which I think is probably the most System 7-idiomatic way of doing it)

 

landoGriffin

Well-known member
Making some progress on Ethernet support! Its turning out to be much more complex than I originally hoped. The original RaSCSI code didn't have "Reselection" capability, which the Nuvolink SC uses. RaSCSI was developed assuming that the host would ALWAYS initiate the communication. That doesn't work well if you're receiving network packets and need to push them to the host. 

Also - I put up a handful more RaSCSIs on Tindie, for folks who are waiting for one. There's only one left, but I should have more in a couple weeks.

Also - join us on Discord if you want to talk more about RaSCSI! https://discord.gg/PyS58u6

 
It’s an easy and fun build of an endlessly useful tool. I can’t suggest Picking this kit up enough. I’ve used mine almost every day since build.

 

landoGriffin

Well-known member
It’s an easy and fun build of an endlessly useful tool. I can’t suggest Picking this kit up enough. I’ve used mine almost every day since build.
So glad to hear that!! I would love to see some action shots to see how people are using it!

My hubby made a IIci style box for my Pi zero Rascsi!

AB6715F4-7079-405C-AAB4-604331E2B5E7.jpeg

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