Item Connector Description
4 J_AMEA1 iDRAC port card connector
5 A3, A1, A4, A2 Memory module socket
6 PWR_CONN2 4–pin power connector 2
7 J_MINISAS1 Chipset SAS connector
8 J_SATA_CD Optical drive SATA connector
9 SYS_PWR 8-pin power connector
10 PWR_EVENT Power supply unit connector
11 PWD_EN Password jumpers
12 FAN4 Cooling fan connector
13 FAN3 Cooling fan connector
14 NVRAM CLR NVRAM password jumper
15 FAN2 Cooling fan connector
16 J_TPM1 Trusted platform module connector
17 R_INTRUSION Intrusion switch connector
18 BP_SIG Backplane signal connector
19 SAS_LED PERC LED connector
20 HDD/ODD_PWR Hard drive/optical disk drive power connector
21 FP_USB Front panel USB connector
22 FAN1 Cooling fan connector
23 CTRL_PNL Control panel interface connector
24 BATTERY Battery connector
System board jumper settings
CAUTION
: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
For information about resetting the password jumper to disable a password, see the Disabling A Forgotten Password section.
Table 27. System Board Jumper settings
Jumper Setting Description
PWRD_EN
(default)
The password feature is enabled (pins 1–2).
The password feature is disabled (pins 2–3).
NVRAM_CLR
(default)
The conguration settings are retained at system boot (pins 2–3).
136 Jumpers and connectors
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