7. Disconnect the following cables from the system board:
IMPORTANT: Connected cables may vary depending on system conīguration.
(1) Speaker connector (SPKR)
(2) White power supply connector (PWR)
(3) Black drive power connector (SATAPWR0)
(4) Hard drive connector (SATA0)
(5) White power supply connector (PWRCMD)
(6) Rear fan connector (CHFAN2)
(7) White power supply connector (PWRCPU)
(8) Optical drive connector (SATA1)
8. Remove the 10 Torx T15 screws that secure the system board to the chassis.
System board 67