[Sunhelp] dual cpu configuration

[Ravi Katti]

Check nvram/eeprom of your machine for dual cpu support.
Ravi


>From: Chuck Bernard <chuck at lvision.com>
>Reply-To: sunhelp at sunhelp.org
>To: "sunhelp at sunhelp.org" <sunhelp at sunhelp.org>
>Subject: [Sunhelp] dual cpu configuration
>Date: Wed, 12 Jul 2000 15:50:37 -0700
>
>
>Hello all,
>
>How can I get Solaris to boot in multi-processor mode on my Sparc 20?
>(Solaris 2.7 11/99)
>
>I picked up a couple of 50Mhz mbus CPUs which don't have a cache. 
>(501-2708)
>
>According to the information which I have, I can:
>
>     "Compatible with Sparc 10, Sparc 20 and clones. Can be used in dual 
>CPU
>configuration."
>
>I plug both of them into my Sparc 20 and when it boots it says that it sees 
>both
>
>CPUs.
>
>cpu0 TI TMS 390Z50 ver 0
>cpu2 TI TMS 390Z50 ver 0
>
>However, the next message that comes out suggests that it can only run in 
>UP
>(Uni-processor?) mode because the cpu's don't have a cache?
>
>"MP not supported on downrev SuperSPARC without SuperCache booting UP only"
>
>What version of Solaris supported dual processors of this configuration?  
>Is it
>possible to configure 2.7 to allow it?
>
>Thanks,
>
>//Chuck
>
>
>
>
>
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