Mailing List lml@lancaironline.net Message #52964
From: Tim Olson <Tim@5000feet.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Re: Chelton SmartMedia Card and setting system limits
Date: Tue, 15 Sep 2009 10:52:44 -0400
To: <lml@lancaironline.net>
Regarding the xD adapters, I did find some later on after
a tip from someone that you don't have to modify them at
all other than popping off a plastic cover over the
socket for clearance.  The first ones I tried were
rubber coated over the socket and while these worked, I
had to cut them down for clearance.  The other ones
I have you just pop the cover and they fit.  I've
been using xD cards exclusively now for over a year
and a half at least.  No matter which way you go, I would
not consider yourself to be in good shape until you own
maybe 6 working cards.  you're going to want your
system working good for many years, and even 6 cards
can be damaged pretty easily.  So if you want any hope
of continuing Database upgrades, or being able to set
limits, definitely stock up on cards.  There are SM
cards on eBay now, for reasonable prices again, but not
large cards.  xD cards went from being plentiful to
being much harder to come by too...in the smaller sizes.
Some IDU-3's I understand can only handle up to 64Mb
cards.  IDU-1's can handle 8-128Mb cards.  Larger
cards are useless for this task.  I find 64Mb to be the
best deal, because some log files can get near 10Mb, and
with 5 recent logs available, you may need 50+ mb just
to download logs.  So I use 64/128Mb cards for downloading
logs and stocked up on 16/32Mb cards for doing routine
things like database upgrades.

Also, regarding the gold contacts, the manual is written
around IDU-3's and I think those use contacts UP, whereas
the IDU-1's use contacts DOWN.  So that is why there
is confusion.

As for the adapters....this adapter is the kind that
I've found to work (although I can't guarantee that
this one is identical).
http://cgi.ebay.com/XD-to-SMC-SmartMedia-Smart-Media-Memory-Card-Adapter_W0QQitemZ320420732741QQcmdZViewItemQQptZPCC_Drives_Storage_Internal?hash=item4a9a905f45&_trksid=p3286.c0.m14

Auction item: 320420732741

Those use a plastic shell...and you see the lines vertical
on the picture.  The other ones are more square and are
a molded rubber....don't get that kind.
This is an example of a BAD one:
http://cgi.ebay.com/xD-To-SMC-Adapter-Xtreme-to-Smart-Media-Card_W0QQitemZ350252923188QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item518cb37934&_trksid=p3286.c0.m14

Hopefully that helps.
Tim

marv@lancair.net wrote:
Posted for "Robert Pastusek" <rpastusek@htii.com>:

 John,
 
 
 
 It's very easy to "fry" these cards. inserting or removing them with power
 applied to the system is a common/popular way! L  It appears they can be
 damaged by other means as well, as I've lost two over the past year, and
 have been very careful! I expect that's one reason they never became a
 popular standard? Ref Chelton Installation Manual 64-000038, Page 71 of 172.
 
 
 
 I've been able to find these on ebay from time to time; that's the best
 source I have. I am down to two cards now, and am considering a conversion
 to the mini-xD card. Some folks have modified a "tray" that duplicates the
 SmartMedia card interface and holds the mini-xD card. Seems you need to
 modify the "tray" a bit by grinding on it so it will fit into the slot in
 the Chelton screen, but you might check the older LML posts re this?
 
 
 
 If you buy SmartMedia cards via ebay or other, consider going for the 32 or
 64 MB chips. 16 MB is marginal for the newest Chelton data loads, and I had
 some trouble.so no longer use them. The Chelton will take 64 MB cards; I
 have not tested larger capacity cards.
 
 
 
 One other note. You need to load updated nav data into all Chelton screens;
 it does not automatically exchange this with multi-screen systems. My CPU #1
 (PFD) will normally go into the data/menu functions just by inserting a
 "readable" card and then turning on the power, but I must also hold down the
 "fast erect" button during power up to cause CPU #2 (MFD) to go into this
 mode. This was passed to me by another Chelton owner; the above installation
 manual does not mention this requirement in the set up/configuration
 instructions starting on page 71, but does note this requirement as step
 4.1.2/4.1.3 on page 140. Give this a try; it works for me.
 
 
 
 Hope this helps!
 
 
 Bob P
 

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