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RH 5.0 & Promise UltraDMA Controller

Posted on 1998-05-27
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Last Modified: 2013-12-15
How do I go about modifying my RH 5.0 kernel to provide inbuilt Promise UltraDMA support ?

I have a Promise UltraDMA Controller (PC is Gateway PII-266, HD is Quantum Fireball ST 6.4Gb. First 2 partitions up to 4Gb are 2Gb FAT & 2Gb NTFS with NT Boot Manager in the MBR and LILO bootable from Boot Manager via the Bootpart Utility (http://www.winimage.com/bootpart.htm), Linux partitions start afterwards with LILO in first linux partition. With LBA max cylinder is ~760, LILO currently passes execution to linux.
Using /Proc/PCI information I see that 'ide2=0xfff0,0xffe4,10' lets the kernal attempt to start but it fails to mount /. When the IDE driver loaded it reported what looked like the HD's true physical parameters with a cylinder count ~ 1300, not the LBA cylinder count!

Is the output from the kernel logged anywhere ??

Am I facing implementing the kernel patch for Promise UltraDMA and will it let me boot from the HD ?

Stephen Dunne
sdun@isma01.demon.co.uk
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Question by:sdun
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Author Comment

by:sdun
ID: 1627336
Edited text of question
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by:sdun
ID: 1627337
Adjusted points to 250
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Expert Comment

by:AlexandrII
ID: 1627338
Kernel output is logged in /var/log/dmesg or You can get it using "dmesg" command. The best way is to download (get) patch for Your controller and rebuild the kernel.
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dyp earned 250 total points
ID: 1627339
Also you may upgrade your kernel to 2.0.34
It has UltraDMA support.

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Author Comment

by:sdun
ID: 1627340
Fair enough.. Where would I get that patch from ? Pointers to help/faqs on compiling and applying the patch would also be helpful..
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by:dyp
ID: 1627341
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