 Usb 2.0 High Speed, 480Mbps on Zaurus WANTED |
OESF Forums > Distros, Development, and Model Specific Forums > Model Specific Forums > C1000/3x00 Hardware  |
 Oct 30 2006, 10:39 PM
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#1
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Group: Members Posts: 51 Joined: 23-January 05 Member No.: 6,293  |
Gentlemen,
What are the possible ways to get a high speed (i.e. 480Mbps) USB bus on Zaurii? |
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Oct 31 2006, 01:34 AM
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#2
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 Group: Members Posts: 1,565 Joined: 7-April 05 From: Sydney, Australia Member No.: 6,806 |
NO, hardware limitation
12Mbps is USB 2.0  OTG is part of the USB 2.0 spec what you want is "high speed" which i think should be called "full speed" as its backwards to me
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Oct 31 2006, 09:41 AM
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#3
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Group: Members Posts: 51 Joined: 23-January 05 Member No.: 6,293 |
QUOTE(Da_Blitz @ Oct 31 2006, 01:34 AM) NO, hardware limitation 12Mbps is USB 2.0 OTG is part of the USB 2.0 spec what you want is "high speed" which i think should be called "full speed" as its backwards to me Duly noted and corrected, thanks. I always mix the two of them. Anyways, really, no way of pulling it? What about CF USB cards and stuff like that? Or anything... Anything! =P |
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Oct 31 2006, 11:48 AM
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#4
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 Group: Admin Posts: 1,208 Joined: 20-January 06 From: York, Pennsylvania Member No.: 8,961 |
QUOTE(Tomoe @ Oct 31 2006, 12:41 PM) Duly noted and corrected, thanks. I always mix the two of them. Anyways, really, no way of pulling it? What about CF USB cards and stuff like that? Or anything... Anything! =P Well if you can get the drivers down... then yes... if the CF usb card support 2.0 and OTG you will get 2.0 speed... as long as it has the "high speed" usb otg bridge... Late |
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Nov 1 2006, 02:14 AM
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#5
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Group: Members Posts: 4,515 Joined: 25-October 03 From: Bath, UK Member No.: 464 |
I don't think there are many usb CF cards. I have a ratoc and it's only usb1.
Si |
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Nov 1 2006, 02:39 AM
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#6
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 Group: Members Posts: 116 Joined: 25-July 05 From: Brazil Member No.: 7,691 |
Think about...
The cpu does not manage the throughput. |
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Nov 1 2006, 03:56 AM
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#7
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Group: Members Posts: 1,565 Joined: 7-April 05 From: Sydney, Australia Member No.: 6,806 |
actually you would max out the CF bus as well, i wouldnt expect to see high speed throgh a CF card
i have seen a NSLU (same proc at 233Mhz) max out a usb 2.0 link while transfering the data over 100Mbit lan so its not really an issue of cpu speed |
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Nov 9 2006, 04:34 AM
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#8
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Group: Members Posts: 51 Joined: 23-January 05 Member No.: 6,293 |
QUOTE(Da_Blitz @ Oct 31 2006, 01:34 AM) NO, hardware limitation 12Mbps is USB 2.0 OTG is part of the USB 2.0 spec what you want is "high speed" which i think should be called "full speed" as its backwards to meHow about a CF->PCMCIA adapter + PCMCIA USB2.0 card? I don't want/need full 480Mbps, just more than 11Mbps (mini harddrive+wifi+VGA card, maybe also LAN and BT). What I'm actually planning to do is to make a snap-on 'dock' for my Z, with this stuff and an aditional battery. And don't tell me to wait for your OpenPDA cuz I don't want to pay for it with my first pension check. =P |
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Nov 9 2006, 07:01 AM
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#9
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Group: Members Posts: 4,515 Joined: 25-October 03 From: Bath, UK Member No.: 464 |
QUOTE PCMCIA USB2.0 card I doubt these exist, in fact I doubt even USB 1.1 PCMCIA cards exist, they are all PC cards which aren't the same. Si |
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Nov 9 2006, 08:32 AM
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#10
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 Group: Members Posts: 1,156 Joined: 5-January 05 From: Winnipeg, Manitoba Member No.: 6,127 |
QUOTE(lardman @ Nov 9 2006, 09:01 AM) QUOTE PCMCIA USB2.0 card I doubt these exist, in fact I doubt even USB 1.1 PCMCIA cards exist, they are all PC cards which aren't the same. Si It's my understanding that "PC Card" is what PCMCIA was renamed to. *shrug* http://en.wikipedia.org/wiki/PC_card EDIT: I read a bit further down and it says that the name changed when version (type?) two came out. Sorry. 
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Nov 9 2006, 08:42 AM
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#11
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 Group: Members Posts: 1,014 Joined: 4-January 05 From: Enschede, The Netherlands Member No.: 6,107 |
PCMCIA = 16bit
cardbus = 32bit The zaurus implements a pcmcia interface, so you're 16 bits short |
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Nov 9 2006, 06:31 PM
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#12
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Group: Members Posts: 1,565 Joined: 7-April 05 From: Sydney, Australia Member No.: 6,806 |
hahha, i love it how PC card vs PCMIA and USB 2.0 keep on comming up, prehaps we need to sticky this somewhere
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