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LED indicators
for individual
drives on J7
and J8
Serial
number
(on plate)
SODIMM
BBU (Battery
(memory
Backup Unit)
module)
connector
Figure 2. 8-Port 3ware 9500S-8 Serial ATA RAID Controller
Additional Details About the LED Status Connectors
As shown in Figure 1, Figure 2, and Figure 3, J7, J8, and J9 each
include LED connectors for individual drives. In Figure 1 and
Figure 2, J9 includes connectors for an overall activity indicator on
the last two pins. In Figure 3, J7 contains the overall activity
indicator on the last two pins.
Pin 1 is located in the lower left-hand corner of each 10-pin
connector. The odd-numbered pins, located on the bottom row, are
3.3V for the anode side of each LED to be connected. The even-
numbered pins are the return or cathode side.
A common or shared LED ground on a chassis is not
Warning:
supported and can damage the 3ware controller. Check with your
chassis documentation before connecting.
www.3ware.com
Overall LED drive status
indicator: the last two pins
of J9. The anode is the
lower of the two pins and
the cathode is the upper.
LED connector details
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)
Installing a Serial ATA RAID Controller
2
I
C
connector
Serial ports are double-
stacked connectors.
Odd-numbered ports 1
through 7 are located
below even-numbered
ports 0 through 6.
Ports:
6 and 7
4 and 5
2 and 3
0 and 1
The last two pins on
J7 and J8 are unused.
15
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