Friday, July 9, 2010

Enabling eSATA on Dell e6400

Found that my work Dell e6400 was not configured on the BIOS to use eSATA, and changing the BIOS SATA settings to AHCI to allow for eSATA causes Windows boot to fail. You’ll need to change a registry setting first. Found the proper steps here:
http://en.community.dell.com/support-forums/laptop/f/3518/t/19269913.aspx
(look for the Jason Hofmann posting)

For step 5 (http://support.microsoft.com/kb/922976), I changed the subkey
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci
to have Start value = 0 (originally: 3 hex).

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