Dell Precision 400 Service Manual (.pdf) - Page 97
System Board Components, The sub s that follow contain procedures for removing system board
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System Board Components The subsections that follow contain procedures for removing system board components. microphone jack line-out jack line-in jack riser board connector (RISER) USB connectors (2) NIC connector serial port 2 connector mouse/keyboard connectors (stacked) CD-ROM drive audio interface connector (CD-IN) secondary SEC cartridge (SLOT1_SEC) configuration jumpers parallel/serial port 1 connectors (stacked) processor fan connector (FAN) battery socket (BATTERY) DIMM sockets (4) main power input connector (POWER1) primary SEC cartridge (SLOT1_PRI) 3.3-V power input connector (POWER2) primary EIDE interface connector (IDE1) (pin-1 corner) secondary EIDE interface connector (IDE2) (pin-1 corner) front of computer diskette/tape drive interface connector control panel (DSKT) (pin-1 corner) connector (PANEL) Figure 5-20. System Board Components Removing and Replacing Parts in the Mini Tower Chassis 5-21
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