Subject: Re: IIcx hardware question
To: E. Seth Miller <esmiller@engin.umich.edu>
From: Christopher R. Bowman <crb@ChrisBowman.com>
List: port-mac68k
Date: 12/16/1997 23:36:43
On Tue, 16 Dec 1997, E. Seth Miller wrote:

>AFAIK, the IIcx should run fine with 8 4MB SIMMS, giving 32MB.  I can't
>seem to find any eveidence that it SHOULDN'T work, and at least one thing
>says it should...  Good luck.
>
>	-Seth Miller
>
>On Tue, 16 Dec 1997, Mark Andres wrote:
>
>> Hi,
>> 
>> This is not 100% NetBSD-related, but here goes. I have a IIcx currently
>> running NetBSD 1.3-ALPHA 99.99% of the time. The IIcx has 8 SIMM slots and
>> currently I have the following: Bay A = 4 x 4MB SIMMS; Bay B = 4 x 1MB
>> SIMMS.  This gives me a total of 20MB and this shows up fine under both
>> MacOS and NetBSD.
>> 
>> If I take the 1MB SIMMs out of Bay B and add 4 4MB SIMMs, I think I should
>> get 32MB total RAM.  But when I start up, I only have 20MB of RAM showing
>> up under MacOS in "About This Macintosh ...". NetBSD also only recognizes 
>> 20MB.  I KNOW these are really 4 MB SIMMs.  Does anyone know if there is
>> some hardware limitation on the SIMMs that go in Bay B of a IIcx that 
>> limits each slot from recognizing more than 1 MB?
>> 
>> Since I have the spare SIMMs, it would be nice to have my IIcx runninhg
>> with 32MB of RAM instead of 20MB.  Any help or advice greatly appreciated.
>> 
>> Mark
>> 
>>    Mark Andres               E-mail: mark@giganet.net
>>           Running NetBSD, 100% Microsoft Free!
>>    Me & NetBSD: http://www2.giganet.net/~mark/NetBSD/

from my IIci:

crb@packet.chrisbowman.com:52> dmesg
NetBSD 1.3_BETA (PACKET) #0: Tue Dec  9 05:55:28 EST 1997
    crb@packet:/usr/src/sys/arch/mac68k/compile/PACKET
    Apple Macintosh IIci  (68030)
    cpu: delay factor 96

    You booted with booter version 1.8.
    Booter version 1.11 is necessary to fully support
    this kernel.

    real mem = 33226752
    avail mem = 28782592
    using 204 buffers containing 835584 bytes of memory
    mrg: 'Mac IIci/Q700 ROMs' ROM glue, tracing off, debug off, silent traps
    mrg: I/O map kludge for ROMs that use hardware addresses directly.
    adb: bus subsystem


yada yada yada ...

---------
Christopher R. Bowman
crb@ChrisBowman.com
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