I did this on the Thin Client as a test a year ago, and it worked. But did I write anything down?....no

I just built 3.7.0 on an old Dell laptop, generated a USB stick, and could boot that just fine.
Trying the same process on the HP Thin Client now just hangs. I get a quick Porteus one-line banner, some good looking access to the memory stick, but then it hangs with a blank screen and some slow repetitive usb access.
Trying to boot the stick I generated on the Dell laptop gives me about the same behavior.
I know this worked about a year ago, so I'm hoping it will work with a 3.6.0 32bit distro.
Can anyone tell me where I can still find a Porteus-Kiosk-3.6.0-i486.iso ? Or if you have any other suggestions, that would be great.
Thanks....Lyle