
Apple II Computer Info
US $69 plus $14 shipping/handling
(four boards maximum for this s/h fee).
So, if you can get the v1.7 or v1.8 ROM (or EPROM), your additional
cost for a ready-to-go upgrade is $83. If you have the ROM, then, $83
for a 33% performance increase sounds good, especially since you can
also boost clock speed relatively cheaply and end up with a TWGS running
at x3 or better a non-TWGS IIgs!
If there's a local Apple Club with users interested in souping-up
their TWGS's, option A looks like a good way to go. Cost per board would
be way below $83, 'finding' the needed ROM (or EPROM) could be easier,
and boards could be checked out by a knowledgeable club member.
Rubywand
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Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 537 of 572
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