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Re: c-plus ][ bubble memory card...japanese..
- Subject: Re: c-plus ][ bubble memory card...japanese..
- From: mjmahon@aol.com (Michael J. Mahon)
- Date: 21 Jan 2005 19:52:18 GMT
- Newsgroups: comp.sys.apple2
- Organization: AOL http://www.aol.com
- References: <aUcId.160$PB.100@okepread01>
- Xref: g2news1.google.com comp.sys.apple2:7184
Scott Alfter wrote:
>Expansion cards for the TI-99/4A were freqently mounted in a cast-aluminum
>housing (IIRC) that slid into that machine's expansion chassis. I've never
>heard of putting an Apple II expansion card in a metal box, but I suppose
>there's a first time for everything. :-)
There were at least a few Apple II expansion cards that were enclosed
in metal. The aScope, an oscilloscope card, comes immediately to mind.
Shielding, of either sensitive internal circuitry or possibly radiating
high frequency circuits, seems to be the usual motivation.
-michael
New Applesoft BASIC interface for NadaNet networking!
Home page: http://members.aol.com/MJMahon/