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#310865 - 03/06/2008 04:30 CompactFlash empeg help
wfaulk
carpal tunnel

Registered: 25/12/2000
Posts: 16706
Loc: Raleigh, NC US
I got a pair of CompactFlash to IDE Adapters, which are the ones that mlord suggested, and I got a pair of 32GB CF cards. I soldered a pair of pins to the master/slave jumper holes and am using jumpers to select which is which.

They work fine individually. They work fine if the other drive is a real hard drive. (Or if both are real hard drives.) But if I try to use them both in the empeg at once, only one shows up. Boot-time detection only shows it seeing hda, and after boot, /proc/ide/ only shows hda.

Any ideas why this isn't working right? Could it be a problem with the cards? With the adapters? Position of the master and slave devices on the cable?

I'm at a total loss. I've been working on this for like four hours now with no luck.


Attachments
emp.TXT (95 downloads)



Edited by wfaulk (03/06/2008 04:33)
Edit Reason: boot log attached
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Bitt Faulk

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#310867 - 03/06/2008 06:31 Re: CompactFlash empeg help [Re: wfaulk]
Shonky
pooh-bah

Registered: 12/01/2002
Posts: 2009
Loc: Brisbane, Australia
So if you install one card only but set to slave is it still showing up as hda?

It sounds like either the master/slave isn't working or for some reason the cards you bought aren't supporting it correctly.

Position on cable should make no difference at all. It's simply a bus.


Edited by Shonky (03/06/2008 06:44)
Edit Reason: (added info about cable position)
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Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)

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#310870 - 03/06/2008 07:35 Re: CompactFlash empeg help [Re: Shonky]
tman
carpal tunnel

Registered: 24/12/2001
Posts: 5528
Did you remove what looks like a zero ohm SMD resistor next to the master/slave header?

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#310892 - 03/06/2008 12:16 Re: CompactFlash empeg help [Re: tman]
mlord
carpal tunnel

Registered: 29/08/2000
Posts: 14484
Loc: Canada
Originally Posted By: tman
Did you remove what looks like a zero ohm SMD resistor next to the master/slave header?


Yeah, check that -- or just verify that there is infinite resistance across the bare jumper terminals.

If it shows 0-ohms instead, then you know there's a factory zero-ohm jumper soldered on there that needs to be flicked off with an exacto-knife or soldering iron.

cheers

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#310917 - 03/06/2008 20:35 Re: CompactFlash empeg help [Re: mlord]
wfaulk
carpal tunnel

Registered: 25/12/2000
Posts: 16706
Loc: Raleigh, NC US
Good call, guys! From the board's "docs":

Quote:
Board is configured for cable select. Remove resistor R1 for hard wired configuration

It's working now.

I probably would have figured that out eventually, but after hours of trying to flash the damned thing (I finally had to dig out an old Windows95 laptop, the only computer left in the house with an actual serial port), I was just fed up when I got to that point and it wasn't working.

Thanks again.
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Bitt Faulk

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