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S
P
ERVICE
ROCEDURES
T
O REPLACE MOTHERBOARD COMPONENTS
1. Replace the following cables attached to the motherboard (for the location of each connector
on the motherboard, see
• Speaker cable (SPKR J105 pins)
Make sure that the triangle on the cable connector is aligned with the correct pin,
as shown in
Figure 16 on page
• Reset button cable (J102 pins 5 and 7)
Make sure the triangle on the cable connector aligns with pin 5, as shown in
page
57.
• Power button cable (J102 pins 6 and 8)
Make sure that the triangle on the cable connector aligns with pin 6, as shown in
on page
57.
• 24-pin motherboard power cable (PW2)
• 8-pin motherboard power cables (PW1 and PW3)
You may connect either 8-pin cable to either power connector.
• Front USB cables (USB2 and USB3)
You may connect either cable to either USB connector.
• UIB cable (USB1)
• DVD drive data/power cable (SATA0)
• HDD data cables
Connect the HDD data cables as follows:
– Top HDD (HDD1)—SATA1
– Middle HDD (HDD2)—SATA2
– Bottom HDD (HDD3)—SATA3
• Back fan cable (REAR FAN J50, top three pins)
• Front fan cable (J52, left three pins)
Figure 26 on page
76):
57.
86
Figure 16 on
Figure 16
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