Removing The Master I/O Board - Dell XPS 630i Service Manual

1 I/O board reset jumper
(RESET_FW)
3 ESA fault LED
5 internal USB connector (USB_MB)
7 card fan connector (FAN_CCAG)
9 hard drive fan connector
(FAN_HDD)
11 front panel LED connector
(FRONT_LED)
CAUTION:
safety instructions in the Product Information Guide

Removing the Master I/O Board

1 Follow the procedures in "Before You Begin" on page 9.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 13).
3 Remove the card fan cage (see "Removing the Card Fan" on page 69).
4 Disconnect all cables from the master I/O board.
5 Remove the screw that secures the master I/O board to the metal tray.
6 Lift the master I/O board out of the computer.
102
Master I/O Board
Before you begin any of the procedures in this section, follow the
2 Slab debug header
4 media card reader connector
(USB_Flexbay)
6 I/O board power connector
(PWR_CONN)
8 rear LED sensor
(REAR_LED_SENSOR)
10 front I/O panel USB, audio, and
lights connector
(FRONT_AUDIO_USB_LED)