Baikal MIPS

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Baikal MIPS

Unread postby johnsmith » Thu Mar 02, 2017 5:15 am

Anyone interested in unusual MIPS chips? The Russians are coming. ... 00-Warrior

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Re: Baikal MIPS

Unread postby jimmer » Thu Mar 02, 2017 5:40 am

I just read the baikal T1 spec sheet: Dual-core CPU up to 1.2Ghz, USB, SATA and PCIe support. I know next to nothing about hardware, but I think that means it's a slow CPU with modern I/O. Me like. I remember posting something 10 years ago about wanting a 1Ghz O2. Seems like this is the CPU for it.

What would it take to get a mini-itx (or smaller) format motherboard working based on this CPU?


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Re: Baikal MIPS

Unread postby robespierre » Thu Mar 02, 2017 7:25 am

Cavium's Octeon is also a multi-core MIPS with USB and PCIe support. What it takes is a proper datasheet and BSP (board support package) so that drivers can be written. If you actually need to design the board, you also need documentation of the required memory and IO standards, and the electronic and mechanical CAD skills to glue them together.
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Re: Baikal MIPS

Unread postby vishnu » Fri Mar 03, 2017 8:01 am

jimmer wrote:Dual-core CPU up to 1.2Ghz...but I think that means it's a slow CPU with modern I/O.

Don't forget that when comparing RISC to CISC the rule of thumb (arguably) has always been that you double the clock speed of the RISC, so this chip would have the performance similar to a 2.4GHz Intel CPU...
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Re: Baikal MIPS

Unread postby ClassicHasClass » Fri Mar 03, 2017 9:52 am

I think that rule is highly dependent on the Intel microarch you compare to. This 2.5GHz Quad G5 may or may not be in the range of a 5GHz NetBurst, but definitely not of a Core, or later.
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Re: Baikal MIPS

Unread postby Elf » Fri Mar 03, 2017 12:03 pm

robespierre wrote:Cavium's Octeon is also a multi-core MIPS with USB and PCIe support. [...]

Ah, I've seen these before. Used throughout the Juniper "branch series" SRX firewall/routers. I didn't realize they were MIPS.
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