Avago Technologies 3ware 9650SE-12ML - Manual (Page 27)

Step 4. Connecting Drive Activity LED Indicators (Optional)
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Figure 17. 8-Port 3ware 9650SE-8LPML Serial ATA RAID Controller
Figure 18. 12-Port 3ware 9650SE-12ML Serial ATA RAID Controller
Overall LED drive status indicator is
the right-most LED header pin pair
on each LED connector (J7 and J8).
The anode is the lower of the two
pins and the cathode is the upper.
LED indicators for individual
drives J7 is for drives 0, 1, 2, 3
(left to right) J8 is for drives 4, 5,
6, 7 (left to right)
Overall LED drive status indicator is the
right-most LED header pin pair on each
LED connector (J7, J8, and J9). The
anode is the lower of the two pins and
the cathode is the upper.
LED indicators for individual drives
J7 is for drives 0, 1, 2, 3 (left to right)
J8 is for drives 4, 5, 6, 7 (left to right)
J9 is for drives 8, 9, 10, 11 (left to right)