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MINI-ITX Mainboard with DOC?
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New MessageMINI-ITX Mainboard with DOC? (modified 0 times) VinCBR900
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I saw a VIA miniITX mainboard which accepts a surface mount DOC. If you go to the trouble of soldering one in place, it still doesnt work though - I suspect you must contact the factory and get hundreds made.

Anyone know of a cheap Mini-ITX mainboard which has a 32 pin working DOC socket?

Cheers, Vincent

09-11-2003 07:52:49

New MessageRE:MINI-ITX Mainboard with DOC? (modified 0 times) piperpacer
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I don't believe this is Mini-ITX but it is a very small form factor:

http://www.nexcom.com/product/ebc/ebc563/

Also, have you thought of using a DOM instead:

http://www.aristaipc.com/flash-storage/44-pin.html

http://www.aristaipc.com/flash-storage/40-pin.html

or this thingy

http://www.aristaipc.com/flash-storage/microdisk.html

09-12-2003 06:35:10

New MessageRE:MINI-ITX Mainboard with DOC? (modified 0 times) VinCBR900
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The ebc563 industrial type mainboards tend to be 3 to 4 times more expensive than a typical mini-itx hence I would like to use the mini itx.

I need both IDE ports for cd drives (I want to build a stand alone CD copier) which is why Id like to use the DOC.

ALternatively, anyone know a mini-ix mainboard that uses a 32pin DIP socket for the bios? I might be able to use the http://www.linuxbios.org/ concept.

Cheers, Vincent

09-12-2003 09:57:29

New MessageRE:MINI-ITX Mainboard with DOC? (modified 0 times) radarman
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Why do you need a 32pin DIP? The ITX boards all have removeable PLCC BIOS chips, which are only slightly more difficult to program (given the need for an adapter/socket).

Also, if you go with the original VIA EPIA boards, there is a stable linuxbios version out.

10-15-2003 16:33:14

New MessageRE:MINI-ITX Mainboard with DOC? (modified 0 times) Linuxguru
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You can't put even a minimal kernel+compressed ramdisk distro on a 512k BIOS Flash ROM, even with LinuxBIOS. I'd be happy to be proven wrong. I'd say 2 MB (about the size of a floppy) is about the minimum for useful userland stuff.

The best option is to use an IDE->compact flash daughter-card that fits into the IDE header on the motherboard, and use obsolete 8 to 32 MB CF cards that are widely available at obsolete consumer electronics prices, i.e. 0$.

I might even design the PCB and place the layout somewhere accessible, if these daughter cards are not available commercially.

10-24-2003 18:49:27

New MessageRE:MINI-ITX Mainboard with DOC? (modified 0 times) 02U2
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http://www.vetcosurplus.com/

From time to time have Sandisk 2.5" IDE SD25B-128 and SD25B-256 Solid state Flashdrives. These are used "shop pulls" from intermec equipment.

I picked up a few 256mb drives for under $25 each instore. There inventory varies though.

http://www.sandisk.com/oem/flashdrive-specs.htm

10-25-2003 06:51:55

New MessageRE:MINI-ITX Mainboard with DOC? (modified 0 times) Linuxguru
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I have one of the 3.5" Sandisk Flashdrives. They mount in a standard hard-drive bay, so apart from durability, there is no space advantage. Incidentally, they have a PCMCIA socket and PCMCIA flash card internally; I was able to upgrade a 32 MB unit to 80 MB.

A CF daughtercard will be more cost-effective.

10-26-2003 00:35:27

New MessageRE:MINI-ITX Mainboard with DOC? (modified 0 times) Linuxguru
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For a CF daughtercard, look at the last unit (at the bottom of the page) here:

http://www.pcengines.ch/cflash.htm

It plugs directly into the IDE header and takes power from a floppy drive power connector. Just perfect for mini-ITX embedded applications.

10-26-2003 00:41:25

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