bart ~ # smartctl -a /dev/sda
smartctl version 5.36 [i386-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device: ATA      WDC WD5000KS-00M Version: 07.0
Serial number:      WD-WMANU1422712
Device type: disk
Local Time is: Tue Jun 12 10:55:55 2007 CDT
Device does not support SMART

Error Counter logging not supported

[GLTSD (Global Logging Target Save Disable) set. Enable Save with '-S on']
Device does not support Self Test logging
bart ~ # smartctl -a /dev/sda -d ata
smartctl version 5.36 [i386-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Device Model:     WDC WD5000KS-00MNB0
Serial Number:    WD-WMANU1422712
Firmware Version: 07.02E07
User Capacity:    500,107,862,016 bytes
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   7
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Tue Jun 12 10:56:06 2007 CDT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled