Dell Precision T3500 Service Manual
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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. |
Your computer's system board offers two jumpersa password enable jumper and a RTCRST (Real Time Clock Reset) 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
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.
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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) |