This section provides specific information about the system jumpers and describes the connectors on the various boards in the system.
System Board Jumpers
Figure 6-1 shows the location of the configuration jumpers on the system board. Table 6-1 lists the jumper settings.
Figure 6-1. System Board Jumpers
Table 6-1. System Board Jumper Settings
Jumper
Setting
Description
NVRAM_CLR
(default)
The configuration settings in NVRAM are retained at system boot.
The configuration settings in NVRAM are cleared at next system boot.
PWRD_EN
(default)
The password feature is enabled.
The password feature is disabled.
System Board Connectors
See Figure 6-2 and Table 6-2 for the location and description of the system board connectors.
Figure 6-2. System Board Connectors
Table 6-2. System Board Connectors
Item
Connector
Description
1
CPU
Processor socket
2
12V
power supply connector
3
PWR_CONN
power supply connector
4
DIMM1_A
Memory module
5
DIMM2_A
Memory module
6
DIMM1_B
Memory module
7
DIMM2_B
Memory module
8
FAN
Power connector for the fans
9
BATTERY
Connector for the 3.0 V coin battery
10
SATA_1
Connector for the SATA 1 hard drive
11
SATA_0
Connector for the SATA 0 hard drive
12
PCI FAN
Connector for the PCI fan
13
SATA_2
Connector for the interposer card connected to the optical device
14
FP_CONN1
Control panel interface connector
15
HD_ACT_CARD
Hard drive activity connector (expansion controller)
16
INTRUSION_SWITCH
Connector for the chassis intrusion switch
17
RISER_CONN1
Riser card interface connector
Riser Card Connectors
The system is available with either a PCIe riser card or a PCI-X/PCIe riser card. See Figure 6-3 and Figure 6-4 for the location and description of the expansion-card slots on the two riser cards.
Figure 6-3. PCIe Riser Card Connectors
1
slot 1, PCIe x4-lane (x8-lane connector)
2
slot 2, PCIe x8-lane
Figure 6-4.
1
slot 1, PCI-X 64-bit 133 MHz (3.3 V)
2
slot 2, PCIe x8-lane
3
system management
PCI-X/PCIe Riser Card Connectors
Disabling a Forgotten Password
The system's software security features include a system password and a setup password, which are discussed in detail in Using the System Setup Program. The password jumper enables these password features or disables them and clears any password(s) currently in use.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
Reconnect the system to the electrical outlet, and turn on the system.
The existing passwords are not disabled (erased) until the system boots with the password jumper plug removed. However, before you assign a new system and/or setup password, you must install the jumper plug.
NOTE: If you assign a new system and/or setup password with the jumper plug still removed, the system disables the new password(s) the next time it boots.
Turn off the system, including any attached peripherals, and disconnect
the system from the electrical outlet.
Open the system.
Install the password jumper plug.
See Figure 6-1 to locate the password jumper on the system board.
Close the system, reconnect the system to the electrical outlet, and turn
on the system.
DELL'S NORMAL TERMS AND CONDITIONS APPLY AND ARE AVAILABLE ONLINE OR UPON REQUEST. While all efforts are made to check pricing and other errors, inadvertent errors do occur from time to time and Dell reserves the right to decline orders arising from such errors.
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