My Reply follows quote. On 26/09/2003 05:53 [EMAIL PROTECTED] said:  

>I've just read http://www.lowendmac.com/quadra/630ram.shtml which 
>describes how a 630 can get an extra ram slot by soldering on a 72-pin 
>ram slot into the empty pads on the motherboard. However, that doesn't 
>fit with my 630, that "extra slot" which is just solder pads doesn't 
>have enough pins! the other slot has all 72 pins.
>
>Is this article mistaken, or are there other kinds of boards? Either 
>way what would this slot be for?
--------------
Haven't dug a 630 out of the "stack-o-Macs" to check, but I believe the 
"extra" solder pads are for a ROM slot. A lot of early Macs had either a 
removeable ROM or a soldered on ROM with an additional ROM slot in case 
Apple made an update to the "firmware" for the machine.

Ken

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