macintosh rom simms

Teo Zenios teoz at
Tue Mar 10 14:43:48 CDT 2009

----- Original Message ----- 
From: "Brian Lanning" <brianlanning at>
To: "General Discussion: On-Topic and Off-Topic Posts" 
<cctalk at>
Sent: Tuesday, March 10, 2009 3:07 PM
Subject: Re: macintosh rom simms

> On Tue, Mar 10, 2009 at 1:58 PM, Cameron Kaiser <spectre at> 
> wrote:
>> One (30-pin) is regular RAM, the other is video RAM. There is already 
>> 512K
>> on the motherboard, but you can add more (optional). They should be 
>> actually
>> 68-pin SIMMs (welovemacs has the part):
> Thanks, I'll be picking those up.  :-)
> brian

Make sure those VRAM SIMMs are 80ns, the 100ns variety are only good with 
the old 030 based LC machines, Quadras need faster VRAM. You also need to 
install them in pairs or four at a time I believe (depending on the 


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