Remove the top cover. See Opening the Top Cover on
page 2-2
1. Disconnect the following cables from the expander back-
plane (BP):
a. Golden finger for LED signals to HDD BP B2B connec-
tor x 3.
b. 10 pin powe rconnector for BP with +12V, +5V, +3.3V,
GND.
c. LSI SAS 2x20 SAS 6G Expander IC.
d. SAS_1, Mini-SAS connector to Host Port 1 channel 4
~ 7.
e. SAS_0, Mini-SAS connector to Host Port 0 channel 0
~ 3.
f. System FAN 5
g. System FAN 4
h. System FAN 3
i. System FAN 2
j. System FAN 1
k. System FAN 0
l. Jumper setting for expander operation mode.
m. IPMB connector linking to on-board BMC controller
(Fan speed).
n. Winbond W83793 for fan controller.
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