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Re: few questions about linux on sgi machines

To: Alex Deucher <>
Subject: Re: few questions about linux on sgi machines
From: Stanislaw Skowronek <sskowron@ET.PUT.Poznan.PL>
Date: Thu, 22 Apr 2004 20:28:46 +0200 (MET DST)
In-reply-to: <>
Original-recipient: rfc822;
> Also, out of curiosity, is there a list somewhere of all the asics in
> the Octane?  e.g., sound chip(s), ethernet, parallel/serial, etc.

Yes! (It depends what do you call an ASIC. I use it for a SGI-specific
chip with no docs at all.)

-- Base I/O --
HEART   memory controller, Xtalk bridge
IOC3    multi-I/O
RAD1    audio
BRIDGE  Xtalk-PCI bridge?
-- Frontplane --
XBOW    Xtalk router
-- PCI card cage (correct this) --
BRIDGE  Xtalk-PCI bridge
-- MardiGras (this is one big mystery) --
HQ4     Xtalk bridge
GE11    geometry engine
RE4     raster engine
PP1     ?
VC3     video controller?
CMAP    colormap?

I'm writing this from memory, so correct me please.

Stanislaw Skowronek

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