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> SL-5500 Memory Limits?, What are the limits on SD/CF memory
John Smith TIF
post Nov 2 2004, 05:07 AM
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Hi!

This is a bit of a Newbie question, so apologies if I should have posted it elsewhere.

I've just bought a second-hand SL-5500 with a 64MB SD card and a 32MB CF card.

I would like to expand the system memory/storage considerably but I'm not sure what limits there are on the size of SD/CF memory I can use. I don't want to spend lots of money on cards if (a) the Z can't use them at all or (cool.gif the Z can only address a small part of them.

I contacted Sharp Service and was told that the limits are 128 and 192 for SD RAM and CF RAM respectively. I presume that these figures are in MB and only apply to memory (RAM/ROM) rather than storage (disk) devices.
However, this doesn't seem to stack-up with various comments I've read on the ZUG mailing lists and other places, which seem to indicate that people are using up to 1GB SD card and 512MB/1GB CF cards and also using up to 4GB CF microdrives. unsure.gif

Is there a FAQ somewhere which details what the limits are (if any) and what devices do/don't work with the Z?

Many thanks in advance,

John (slightly confused but fascinated with the idea of Linux of a handheld!)
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John Smith TIF
post Nov 2 2004, 03:07 PM
Post #2





Group: Members
Posts: 5
Joined: 2-November 04
Member No.: 5,313



Thanks for the help Mitch and Tumnus.

I don't quite understand Sharp Service's comment about the limits for SD and CF cards (perhaps the limits are what they are able to supply).

Sorry about the confusion about use of 'RAM' instead of 'memory' - I used the same terminology as Sharp's reply. Both SD and CF cards are strictly speaking Flash ROMs (at least as I understand it).

Anyway, as the limits seem to be imposed by the filing system used, rather than any hardware issues (e.g. partial address decoding within the Z), I'll go ahead and upgrade the SD and CF cards as much as I can within reason/budget.

Thanks again.

John. biggrin.gif
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John Smith TIF   SL-5500 Memory Limits?   Nov 2 2004, 05:07 AM
Mitch   I've got a 5500 and have a 512mb CF card, whic...   Nov 2 2004, 06:16 AM
tumnus   You cannot physically expand the RAM in the 5500. ...   Nov 2 2004, 07:04 AM
John Smith TIF   Thanks for the help Mitch and Tumnus. I don't...   Nov 2 2004, 03:07 PM
Shdwdrgn   I believe the confusing numbers that Sharp reporte...   Nov 3 2004, 03:17 PM
John Smith TIF   Thanks for the explanation shdwdrgn (ShadowDragon?...   Nov 4 2004, 01:52 AM
Shdwdrgn   Actually the spec for the CF slot really did say 1...   Nov 4 2004, 02:14 PM
OttoAcuna   Hello!! from a Newbie from the Tropics. I...   Dec 5 2004, 09:39 PM
John Smith TIF   Hi Otto, I haven't used a microdrive myself (...   Dec 6 2004, 02:58 AM
kybKenny   Hi I used a 2GB Hitachi Microdrive with my SL-55...   Aug 1 2005, 07:48 AM
dlichterman   Ive got a 1 gig SD card and a CF Ambicom Wifi card   Sep 25 2005, 12:24 PM
nick88   Has anyone tried a 2GB SD card? I'm thinking ...   Mar 31 2006, 09:54 AM
telemetric_au   i believe i recall reading in other threads that t...   Apr 4 2006, 06:52 PM
nick88   Well, I got two SD cards: 1 1GB and 1 2GB cards. ...   Apr 6 2006, 05:43 AM
Sharpspark   I have a SL-5500 with stock rom and I've been ...   Aug 3 2006, 05:20 AM
telemetric_au   http://www.tyrannozaurus.com/?q=wiki/SDCompatList ...   Apr 17 2007, 11:39 PM
jocasmi   And so, what's about?   Jun 29 2007, 05:46 PM
telemetric_au   the 2gb sd kingston didnt work, not that ive had a...   Jun 30 2007, 07:11 PM
chrisl   QUOTE(telemetric_au @ Jun 30 2007, 09:11 PM)t...   Jun 30 2007, 08:42 PM
telemetric_au   QUOTE(chrisl @ Jul 1 2007, 03:42 PM)QUOTE(tel...   Jul 2 2007, 03:06 PM
chrisl   QUOTE(telemetric_au @ Jul 2 2007, 05:06 PM)QU...   Jul 2 2007, 04:59 PM
telemetric_au   It Works !!, thanks a bunch !! ...   Jul 2 2007, 09:39 PM
jackschmidt   I want to dig this thread back up because I have a...   Oct 25 2008, 04:39 AM
telemetric_au   largest ive tried is 1gb and had no trouble with t...   Oct 25 2008, 06:29 AM
jackschmidt   QUOTE(telemetric_au @ Oct 25 2008, 06:29 ...   Oct 25 2008, 08:36 AM


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