Dell Precision T5500 Specifications download pdf (Page 5)

About Your System Board

DellPrecision™T5500ServiceManual

System Board Schematic

Clearing Forgotten Passwords

Clearing CMOS Settings



System Board Schematic

Clearing Forgotten Passwords

1. Remove the computer cover.

2. Locate the 4-pin password connector (PSWD) on the system board.

3. Remove the 2-pin jumper plug from pins 3 and 4 and set the jumper plug aside.

4. Replace the computer cover.

5. Connect your keyboard and mouse, then connect your computer and monitor to electrical outlets and turn them on.

6. After the operating system loads, turn the computer off.

Main Power Connector (POWER1)

Type A USB Port (INT_USB2)

SATA Connectors (SATA0-4)

CPU Riser 2 (CPU2_RSR2)

Password Jumper (PSWD)

CPU Riser 1 (CPU_RSR1)

Hard Drive Fan Connector (FAN_HDD)

>Primary Processor Connector (CPU1)

Floppy Drive (DSKT)

Power Connector (POWER_CPU1)

Front Panel Connector (FRONTPANEL)

Front Fan Connector (FAN_FRONT)

Chassis Intrusion Header (INTRUDER)

Card Cage Fan (FAN_CCAG)

PCI-X Card Slot (SLOT6)

Memory Module Connectors (DIMM1-6)

PCI Card Slot (SLOT5)

Optional Serial/PS2 Connector (SERIAL2)

PCI Express 2.0 x16 Card Slot (SLOT4)

Auxiliary Hard-drive LED Connector (AUX_LED)

PCI Express 2.0 x16 Card Slot, wired as x8 (SLOT3)

Battery Socket (BATTERY)

PCI Express 2.0 x16 Card Slot (SLOT2)

Internal Speaker Connector (INT_SPKR)

PCI Express 2.0 x16 Card Slot, wired as x8 (SLOT1)

Flexbay USB (INT_USB)

Front Panel Audio Connector (FP_AUDIO)

RTC Reset Jumper (RTCRST)

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best

practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

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Dell Precision T5500 Specifications Page 5

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