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Problem to install Linux on EISA Computer

Posted on 1997-12-11
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Last Modified: 2013-12-15
I have a Siemens Nixdorf PC5E

This machine have an EISA architecture whit two onboard
scsi controllers ( NCR57C710 in 2 chips )

When i try a kernel with NCR53C7XX , it doesn't works
When i try a kernel with EATA_DMA , it doesn't works
When i try a kernel whit EATA_Generic , it doesn't works

I will try now with the last kernel ( 2.1.71 ) , peraps it will be good ?

If someone have any idea ....
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Question by:sfavre
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Expert Comment

by:frowijn
ID: 1630951
The scsi bus is defined at i/o base adresses and interupt requests, linux support only the i/o bases of 330 and 334 for scsi devices, i think that's your problem, look at the hardware device and configure it so that the i/o base stands at 334 (best) or else 330 (often your netcard is at 330), so it's best to set it on 334, let linux autoprobe your scsi device and probaly will detect this !, if the problem sustains, i will check my linux host on what it says of your scsi devices, try the above first, if it's fails, contact me, then i will give you the right adresses !

Regards
Oscar Frowijn

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Author Comment

by:sfavre
ID: 1630952
I can't redefine the io-port of the scsi card, and if I look into the kernel source, i can't find the io-port used by Linux.
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Expert Comment

by:matpae
ID: 1630953
All most you can change the IO of your NCR-SCSI with a jumper on the board or in the EISA-setup
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frowijn earned 400 total points
ID: 1630954
go to the /usr/src/linux/drivers/scsi
look at ncr*.c files and open them, there you can find on what i/o base the card probes, change the adress according to your own address and save the file, rebuild your kernel with the ncr devices install the lilo again and reboot !

Maybe this helps a bit !
Oscar
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