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Information in this document is subject to change without notice. © 2009 Dell Inc. All rights reserved. Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and Dell Precision are trademarks of Dell Inc.; Intel and Xeon are registered trademarks of Intel Corporation; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license; Blu-ray Disc is a trademark of the Blu-ray Disc Association; Microsoft, Windows, Windows Server, MS-DOS, Aero, Windows Vista. and the Windows Vista start button are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own. Model DCTA September 2009 Rev. A01 Working on Your Computer Adding and Replacing Parts Specifications Diagnostics About Your System Board System Setup NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. About Your System Board Dell Precision™ T3500 Service Manual Password Enable Jumper NVRAM Reset Jumper System Board Schematic Your computer's system board offers two jumpers—a password enable jumper and a RTCRST (Real Time Clock Reset) jumper. Password Enable Jumper PSWD - Password enable. The system password will be cleared and disabled when the system is started with this jumper removed. Pins 1-2 shorted enables password NVRAM Reset Jumper RTCRST - Clears NVRAM. The NVRAM will be cleared when the jumper is closed (use the jumper from the password bridge). To properly clear; AC power must be applied (not necessarily turned on) to the system for about 10 seconds while the jumper is closed. Pins 1-2 shorted clears NVRAM The picture below shows the location of the configuration jumpers on the system board. System Board Schematic 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 NOTE: You can use the RTCRST jumper procedure above to attempt recovery from a No POST, No Video situation. 1 PCI Card Slot (Slot 6) 2 PCI Card Slot (Slot 5) 3 PCIe x16 (Slot 4) 4 PCIe x4 (Slot 3) 5 PCIe x16 (Slot 2) 6 PCIe x4 (Slot 1) 7 Audio Front Panel (FP_AUDIO) 8 Internal USB (USB_1) 9 LPC_DEBUG 10 Processor Connector 11 CPU Power Connector (POWER_CPU) 12 Front Bezel Fan (FAN_Front) 13 Front Cage Fan (FAN_CCAG) 14 Memory Module (RAM) Connectors (DIMM_1-6) 15 Jumpers (PSWD & RTCRTS) 16 Battery Socket (CMOS Battery) 17 Internal USB Socket (for Flexbay Card Reader) 18 Main Power Connector 19 SATA Connectors (SATA_0-4) 20 HDD Fan (FAN_HDD) 21 Serial Connector (SERIAL2) 22 FDD Connector 23 Front Panel Connector (FRONTPANEL) 24 Chassis Intrusion Connector (INTRUDER) System Setup Dell Precision™ T3500 Service Manual POST Keystrokes Boot Menu Entering System Setup System Setup Navigation Keystrokes POST Keystrokes Your computer has several keystroke options available during the POST process at the Dell™ Logo screen. Boot Menu As with previous Dell Precision™ workstation platforms, your computer includes a one-time boot menu. This feature offers a quick and convenient method with which to bypass the System Setup-defined boot device order and boot directly to a specific device (e.g., floppy, CD-ROM, or hard drive). The boot menu enhancements introduced on previous platforms are as follows: l Easier access—Although the