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27329ed9-2211-a1ba-9371-e2641bf0dcb6's posts Post Back to profile
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Pete Zaitcev
@a1ba @niconiconi @Moon It was even earlier than R500. We made a batch of an earlier chip in France in 1997. I don't remember the design parameters of that. But it went into a box that still had SBus. We made adapters for all the weird Elbrus-2 peripherals to SBus. The R500 came later, I'm pretty sure.

The theme "Baget" included 3 branches: 11P was a clone of Pentium, designed in Ukraine somewhere. Not sure if it was ever made. The 11S was SPARC by MCST. And the final one (11M?) was a MIPS made in Zelenograd. A whole production line and the design were bought abroad.
12 May 2023 at 16:40 | Wall-to-wall | Open on shitposter.club
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Pete Zaitcev
@a1ba @Moon @niconiconi Here's a photo that I found. My note says "New spin of Baget-S after original version missed its clock target. 2.8M transistors, 150MHz, 0.35um CMOS process with 4 layers of metal.
1999-2001". I can't believe we could not crack 200 MHz. I thought we did, but that's how I wrote it down.
12 May 2023 at 16:45 | Open on shitposter.club
Pete Zaitcev
@Moon @a1ba @niconiconi And the previous one was

"100 MHz (Actually - only 60)
0.5 um 3-layers CMOS
~2 M transistors
2 W
Late 1997"
12 May 2023 at 16:46 | Open on shitposter.club
27329ed9-2211-a1ba-9371-e2641bf0dcb6
@zaitcev @niconiconi @Moon R500 also used SBus, as they tell. But R1000 and forward uses PCI, and their southbridge. I recently got my hands on their SPARC port of Linux and the bootloader, trying to implement emulation for it in QEMU, it has nothing about SBus anymore.

>And the final one (11M?) was a MIPS made in Zelenograd
I wonder if 11M was a KOMDIV related thing.
@zaitcev @niconiconi @Moon R500 also used SBus, as they tell. But R1000 and forward uses PCI, and their southbridge. I recently got my hands on their SPARC port of Linux and the bootloader, trying to implement emulation for it in QEMU, it has nothing about SBus anymore.
12 May 2023 at 16:49 | Open on suya.place
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