Well Herman, as I understand it, a later rom module is not an INCREASE
in rom, it's just a change in instructions the computer gets in how to
operate. I have a Mac G3 Gossamer (beige desktop) and these did have updated
roms in later versions- they were sold with 3 different rom module versions.
I dont think the rom modules were every sold directly by Apple though.
The 1st, which I have, is mostly distinguished from the later ones by
its' inability to run a 2nd IDE hard drive as slave. The later rom modules
sell on eBay for a good price because some want this ability, and change the
rom module. There is a particular brand of Rom module-I forget the name-
that causes havoc when some put faster processor chips in these macs.
With cheap RAM, the OS's were just made larger to handle the processing
using the original rom (system 8 bigger than 7, 9 bigger than 8) - their
increased memory requirements could be accommodated more inexpensively.
George (NickUtah)
> From: Hermann Ertl <[EMAIL PROTECTED]>
> Subject: Re: ROM DIMM?
>
>> Date: Wed, 2 Oct 2002 18:13:46 -0700
>> From: David Klaus <[EMAIL PROTECTED]>
>>
>> The ROM DIMM exists in all Apple computers from 3+ years ago. It is
>> there so that if a ROM update was required, the computer could be
>> updated. RAM prices crashed after the MB designs were finalized, so
>> an update was never released, as everyone had enough memory so that
>> patches could be incorporated into the system using RAM.
>
> I am not sure whether I understand this.
> Let's assume the RAM prices did not crash and a ROM update
> was issued, requiring to either increase the ROM or the RAM
> (because of increased size of the MAC OS). Why would it be
> cheaper to increase the ROM than the RAM?
>
> It probably has nothing to do with the price of RAM, it
> probably was caused by a change in policy - doing the ROM
> upgrades with software gave Apple more flexibility.
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