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1 gig CF cards--fast enough?

Jake Page Icon Posted 2004-09-24 9:48 PM
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1 gig CF cards have finally come down to under a hundred dollars, which is my cut-off mark for most of life's purchases.

But I'm hearing complaints from some PDA users that the 1 gig Sandisk is too slow, and will skip around in music files, and generally make things annoying.

Could this be true? Does anybody run a gig CF on their J-720? On mine, I use a Viking 512 mb with no problem, and am burning with desire to put my 15-CD bootleg collection of David Cassady: The Catskill Years on CF at last.

Please tell me it's all right to make this dream come true,
Jake
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Alex
Alex Page Icon Posted 2004-09-26 1:35 AM
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er...I've not heard that they've had any problems like these...

I never had a 1GB CF card myself though.

And btw, I'm not too sure if it would be slow or not, I think that CF is marginally faster than SD (more channels for data, I guess), so it's probably fast enough ¬/

I don't know about the skipping music thing...I don't think SanDisk would be able to sell these cards if they skipped (what would be the point)

Edited by Alex 2004-09-26 1:36 AM
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Jake Page Icon Posted 2004-09-26 8:09 PM
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Thanks for the input. I had been wandering Amazon.com and found one user complaint about the Sandisk 1 gig; he said his "pda" would no longer play music correctly with the 1 gig installed.

Viking has always done right by me, and perhaps I'll wait until they start competing with Sandisk's prices.

Jake
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chiark Page Icon Posted 2004-09-27 4:28 AM
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IMHO this is seriously unlikely. MP3s need what? About 320kilobits per second, absolute max if you're a quality fiend, and that equates to 40kilobytes a second.

If a card cannot sustain that, I'd be quite simply dumbfounded.

I have a Nikon D70, and have used a standard Sandisk 256MB card in there, and that's plenty fast enough both on read and write...

For meaningful performance comparisons of CF cards, see RobGalbraith.com, specifically this page

Cheers,
Nick.
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Jake Page Icon Posted 2004-09-28 9:50 PM
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Hi, Nick,

Great link, and appreciate you pointing me in that direction. Yes, I don't know where these complaints are coming from. I've always heard good things about SanDisk. These cards seem so generic at this point, it may be like arguing about the quality of gasoline between Exxon and Shell.

Best,
Jake
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chiark Page Icon Posted 2004-09-29 3:22 AM
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Hi Jake, no worries for the link
Funny you should mention petrol - my car (a Subaru Impreza WRX - turbocharged 2 litre engine producing 228bhp) really runs better on Shell Optimax than any other petrol. It knocks less, hence the engine management advances the timing and can extract more power from the fuel .

But I know what you mean

Cheers,
Nick.
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Jake Page Icon Posted 2004-09-29 3:07 PM
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Hi, Nick,

I've heard that 106+ octane gasoline is sold at some local stations, except that those local stations are in Saudi Arabia. There's some other country that has amazingly high levels of octane in its fuel, but I forget.

Jake
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chiark Page Icon Posted 2004-09-29 4:11 PM
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Japan has silly octane levels, too... I think optimax is around 98 point something, but it's better than the other "super unleadeds" that we get over here.

My apologies for taking this well off topic!
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stingraze Page Icon Posted 2004-09-30 6:10 AM
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Hi. you can also get 4GB CF cheaply off Muvo 2. - but it takes some courage though. But does H/PCs support 4GB? that's a question...
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chiark Page Icon Posted 2004-09-30 6:33 AM
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You'll need to use a PCMCIA adaptor, as the unit will not physically fit in the Jornada's CF slot. This limits you to not using any other PCMCIA card, like a network card...

Also, the 4GB out of a MUVO2 may not be compatible at all: the early devices were fully CF compliant and would appear as storage on anything, however Creative got a little annoyed at subsidising people's 4GB cards, and had Hitachi create a version which only implemented the ATA CF interface. These do not work in cameras, and I suspect that they may not work in HPCs.

The 720 certainly supports FAT32 so will support 4GB+, and I believe that all HPC devices will do the same, but check for FAT32 support on your device before shelling out, and also bear the limitation of requiring a PCMCIA converter and taking up the PCMCIA slot in mind, and check that the CF card supports all CF interfaces and not just CF ATA!

Cheers,
Nick.
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Jake Page Icon Posted 2004-10-04 12:22 AM
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I agree about the inconvenience, if not outright work stoppage, of a PCMCIA CF card. If you had Textmaker, etc. installed, switching out for a network card would be impossible. Unless you really were installing a 15-CD set of music, 1 gig would be sufficient. I have everything on my 256 mb CF, and I'm only squawking for a gig for more mp3s, not more room for apps

Speaking of network cards, I finally broke down and put up a LinkSys wireless router (WRT54G) because it met my criteria of costing less than $100, and it will work with Orinoco Gold cards and it's a heckuva lot of fun taking the J around the house. Even a "minimal" signal will let you surf.

Jake
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charlie
charlie Page Icon Posted 2004-10-14 9:27 AM
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hi, i'm using a bytestor 1GB CF card in my j720 via the pcmcia slot and an adaptor and it works fine.

the larger capacity cf cards come in standard and a high speed (40x) version, mines the high speed version. the high speed cards were introduced to enable high res photographs to be stored quickly.

i don't think you would have problems playing mp3s on the standard speed sandisk (which is considered an industry standard card here in norway) although its difficult to understand why you would want to spend that amount of money to carry david cassidy songs around with you.
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Jean-François
Jean-François Page Icon Posted 2004-10-14 12:14 PM
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Hi :-)
I had problems with the 2, (yes 2...) 1GB CF cards (different manufacturers, both originating from Toshiba) I tried with my J720, I gave up as I experienced too many problems accessing files, I discovered the problems arose straight after inserting the CF card in a PC then back into the Jornada.
I now use my "old" 512MG card... this one turns out to be MUCH faster and 100% reliable.
So, watch out...
Jean-François.
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Jake Page Icon Posted 2004-10-15 12:05 AM
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Hi, Charlie and Jean-François,

Charlie, my apologies for joking about my supposed interest in the art of David Cassidy. A single byte could hold my interest in all The Partridge Family put together No, I look to store real music on any future gigabyte cf.

Jean-François, thanks for the warning. Your complaint echoes others that I've heard, though many other users have no problem.

It sounds like a crapshoot.

Thanks for the posts,
Jake
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Dave H
Dave H Page Icon Posted 2004-10-17 10:00 PM
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The new SanDisk 4GB CF is a Type I, meaning it fits in the slot on the bottom of the 720 without the use of a PCMCIA adapter. All the others I found are Type II and are too thick. I've had it for a few weeks and it works great.
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