Item
Connector
Description
8.
CP
Left control panel connector
9.
B6, B12, B5, B11, B4, B10, B7, B1, B8, B2, B9, B3
Memory module sockets
10.
J_ODD
Optical drive connector
11
J_BP_SIG1
Backplane signal connector 1
12
J_BP1
Backplane connector 1
13
J_BP2
Backplane connector 2
14
J_STORAGE_M4
SAS connector 4
15
J_STORAGE_M3
SAS connector 3
16
J_STORAGE_M2
SAS connector 2
17
J_STORAGE_M1
SAS connector 1
18
J_SATA_C
SATA connector
19
J_USB_INT
Internal USB port
20
J_IDSDM_vFLASH
IDSDM/vFlash module connector
21
J_RISER2
Riser 2 connector
22
J_NDC
Network Daughter Card connector
23
J1
SATA connector
24
J_SATA_B
SATA connector
25
J_SATA_A
SATA connector
26
J_BP_SIG0
Backplane signal connector 0
27
J_BPO
Backplane power connector
28
J_R1_SS82_2
Riser 1 connector
29
J_TPM_MODULE1
TPM module connector
30
BATTERY
Battery connector
31
J_VGA
VGA connector
32
J_STORAGE1
Mini PERC controller connector
33
J_USB_INT1
USB connector
34
CPU1
Processor socket 1
35
A6, A12, A5, A11, A4, A10, A7, A1, A8, A2, A9, A3
Memory module sockets
Disabling forgotten password
The software security features of the system include a system password and a setup password. The password jumper enables or disables
password features and clears any password(s) currently in use.
Prerequisites
CAUTION:
Many repairs may only be done by a certified 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 are
shipped with your product.
Dell EMC PowerEdge R640 Installation and Service Manual
Jumpers and connectors
161