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It's funny my Lenovo ThinkCentre is a better performing than the ThinkStation from the same era.
Looking to get a quad core i7 for the T530 and see how that goes

But good find old mate

My RPi5 is working great on the mill, no performance issues, but not the best bang for buck performance wise

Strange issue...

You might try updating mesaflash to the current version:

github.com/LinuxCNC/mesaflash

(scroll down to bottom for build instructions)

Yes, I've been using the machine since 2022 with no issue using the stock firmware, i'm only trying to use mesaflash now to use a fifth stepgen. is there something with my linux install that could have gone wrong?

Imaginative idea.

See the config
sim/axis/vismach/puma
for an example config including a graphical representation of the simulated robot.

Note that getting the Denavit-Hartenberg parameters exactly right is not a trivial task if they are not provided. (and there are two different conventions for them)

There are a few examples out there. Look on YouTube.
For example:

johns00056 wrote:

I downloaded Linux-2.7.14 wheezy.iso  and used rufus.ie to make a usb image.
The new computer won't go past the boot screen. I fiddled around with the boot order etc but still no go.

You have to disable "secure boot: and UEFI in BIOS for it to work, UEFI is usually disabled by choosing Legacy mode in BIOS for boot devices/order.

Fairly mysterious...

Does LinuxCNC run properly?

 

Yes, 7i74 will do perfectly for 6i25 and add 8 more SSerial ports.
And yes, i have used many 7i74 (i have one on my Mazak lathe) as they make for cleaner installs as wiring to 7i70 and/or 7i71 is just a simple network cable.
@Andy,
see if you can source HP Z400 or Z420 or Z600 workstations, all have PCI slots, 420 has 1, 600 has 3 i think, and all have plenty of PCI-E. They are usually very cheap, but struck gold yesterday with 5 of Z600 :
forum.linuxcnc.org/18-computer/57073-hp-...or-use-with-linuxcnc