@GrumpyOldMan
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1) What can be connected to the PCI slot (and supported by OS4, of course)? Better graphics card would be nice, but I am also thinking other possibilities like SII0680, Catweasel, TV cards etc.
Graphics card is not a possibility. The somewhat correct description of sacrifice of USB/DMA in order TO use one requires a version of uboot not available to the general public anyway.
TV cards, going from the public threads, are also not a possibility.
sii/scsi - I know people have tried these, but best wait for someone who's actually done this for a response.
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2) Are there any HW features/restrictions limiting the usage? I assume the ArticiaS/USB/DMA issues are no longer present in uA1, is this correct?
Anything regarding ArticiaS and VIA686B will be little different in a Micro, since it contains both.
But you don't need the so-called hardware fixes of the XE.
You can use DMA. You can use USB within the limits of how USB software is progressing.
The talk about USB issues from h/w standpoint probably refers to peoples' memories of a recent issue with booting and has nothing to do with day to day usage.
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3) Does the onboard IDE support PATA/SATA drives?
The only text I can find about SATA is from January.
"Uhm, well... in fact, not any. I have an Adaptec SATA with SII3112a chip on it, it doesnt work with my MicroA1. I asked about this already in another thread, but got no answer from devs or users having this one.
Btw., AFAIK only the 3112 is able to boot, but not the 3114."
Later, a beta tester mentioned a different uboot offering support, so...I can't say yes or no.
[quote4) Are there any limitations posed by the uA1 hardware I should be aware of?[/quote]
For the most part you deal with the same limitations as the XE. But my opinion would be that you will have to disable certain things because the Radeon7000 card that you can not change, is an extremely weak graphics card. It was weak even when released. People here can help you with those tweaks. One is "disabling compositing" for example.
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5) Should I be able to connect the old A1 hard drives (assuming they still work) to the Micro and use (even boot) from those?
They should work. Booting? Basically check any changes you made to improve your XE (startup-sequence) and be sure they apply to the Micro as well. Someone else who has made the switch from XE to Micro will have a better answer.
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6) What is the latest UBoot MicroA1 can use?
March, 2005. The version number is duplicative to an earlier one, so go by the date.
If anyone here says otherwise, be aware that a lot of experimental uboots exist, and some people continually post surprise that "their" version is not the latest public version.
Added advice: Get up and running and then ask additional questions. All Micros are not equal. FX/GX cpu is one example. Variants of the Radeon 7000 is another. Actually, you can even have busted USB/serial as well, due to the errors in the documentation.
Required reading:
http://www.ncscaug.us/ua1page1.htm#6
Edited by number6 on 2010/8/19 14:47:30
Edited by number6 on 2010/8/19 15:08:16