David G Taylor wrote:
> 
> Will an external cache card work in a Mac IIci ?
> 
> I have it enabled in MacOS, but I notice the generic 1.2.1 kernal has
> external cache disabled:
> options         DISABLE_EXT_CACHE # Don't use IIci external cache
> 
> ? Any experience here appreciated.

At the moment, no, it won't.  The problem is that I don't think there is
any code in locore.s to flush the cache when necessary (the only time it's
necessary actually, is during boot).  I think that the machine will hang
if you try to boot with the cache enabled.  However, I could be wrong,
it's been a while since I've played with turning one on.

Later.

-- 
Colin Wood                                 cwood@ichips.intel.com
Component Design Engineer - MD6                 Intel Corporation
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I speak only on my own behalf, not for my employer.