* libata CHS mapping
@ 2006-02-28 10:46 Jo Geraerts
0 siblings, 0 replies; only message in thread
From: Jo Geraerts @ 2006-02-28 10:46 UTC (permalink / raw)
To: jgarzik, linux-ide
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Dear,
Somewhere in the libata code (ata_std_bios_param) the CHS mapping is hardcoded
to X/255/63. These values are incorrect on IBM thinkpad t43 (and probarly
others). We use unattended.sf.net to install our laptops. With these values it
resulted in a unbootable system.
When i recompiled the kernel with hardcoded values X/240/63 things worked smoothly.
Is it possible (probarly yes) or very timeconsuming to make these value
configurable through kernel parameters or maybe even better to ask the BIOS
about it's vision of the CHS mapping? My knowledge of kernel programming is not
sufficient enough to do it myself. Changing hardcoded values was already a
challenge ;)
Best regards,
jo
- --
Jo Geraerts
Network/System Administrator
jog@elex.be
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2006-02-28 10:46 libata CHS mapping Jo Geraerts
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