exxos's Atari, Amiga & retro forum

exxos wrote: 25 Jun 2025 19:29 Similar problems when I uses to sell the 060 cpus. High prices or buy cheap 040 and hope they genuinely.. Not good either way.

040s were used extensively in older telecommunications systems. You can buy Nortel boards with 040s from the reclaimers for £40 or less just ask for the CPU part number because later ones used LC parts.

I'm puzzled, why are you swapping the 040 ? Did I miss singing in this thread ?

alexh wrote: 26 Jun 2025 08:11 040s were used extensively in older telecommunications systems. You can buy Nortel boards with 040s from the reclaimers for £40 or less just ask for the CPU part number because later ones used LC parts.

Its finding one :(

peters wrote: 26 Jun 2025 09:48 I'm puzzled, why are you swapping the 040 ? Did I miss singing in this thread ?

I have a 25mhz one. I was just looking for the later mask 40mhz version.

I found my Milan would run at 30MHz but not at 33MHz and SCSI would not work at 30 either.

https://www.atari-forum.com/viewtopic.p ... 9785d63f12

Will you be fixing this to sell on Chris?
What's left on the replacement list - keyboard connector, battery and PCI?
I have a couple of older small form factor cases with PSU - if it fits? Potentially can bring to Cyber Legends #4?

exxos wrote: 24 Jun 2025 19:15

mrbombermillzy wrote: 24 Jun 2025 19:13 Im going to start pulling stuff out for CL4 soon. I'd say theres a fair chance I have one of these in my famous boxes of leads. :lol: If you can hang on 2-3 days I will have a look and post it to you if I do.

Yeah cool thanks.

It looks like Ive got rid of this at some point. Ive just been through all my leads in the loft and I cant find it. Sorry. :(

viking272 wrote: 26 Jun 2025 14:21 Will you be fixing this to sell on Chris?

I wasn't thinking of selling no. I might do one day if I find myself never using it though. But currently I never had a 040 machine. So be interesting to play around with it.

viking272 wrote: 26 Jun 2025 14:21 What's left on the replacement list - keyboard connector, battery and PCI?

I need to solder the missing big IO chip. Waiting for it to come currently. I changed the battery earlier. I ordered a new PCI slot.. so waiting for that to come.. I ordered a PS2 adapter from evilbay. But not sure what I am doing about the mouse yet.

I have a couple of older small form factor cases with PSU - if it fits? Potentially can bring to Cyber Legends #4?

Its classed as a "baby AT" board. So I doubt many cases will fit :( My girlfriends next door neighbour has a bunch of old PCs. She was trying to give me a old Dell machine the other day. Possible she might have a even older PC somewhere... but shes busy having a mental breakdown at the moment so..

I need to change the chip anyway yet. It may not fix it, I may kill it again.. I need to go look for that other 040 CPU I got years ago see what that is as well...

exxos wrote: 26 Jun 2025 14:32

viking272 wrote: 26 Jun 2025 14:21 Will you be fixing this to sell on Chris?

Its classed as a "baby AT" board. So I doubt many cases will fit :(

So a quote from Google:
A "Baby AT" motherboard is smaller than the original "Full AT" motherboard. While a Full AT measures 13.8 x 12 inches (351 x 305 mm), a Baby AT typically measures 8.5 x 13 inches (216 x 330 mm). The Baby AT was a popular form factor for 386, 486, and early Pentium PCs, but it has since been superseded by the ATX form factor.

One case I have is 330 x 370 and the other is 260 x 335, but you may have one next door :)

Just found the other 040 CPU. This was "probably" the one which came with the Milan.. No idea what it is tough. The heatsink is glued on :roll:

But I assume its a 25mhz part as that was the default the Milan is setup to anyway.