Dell EMC PowerEdge M640 Installation and Service Manual

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System board jumpers and connectors

Figure 1. System board connectorsThis image shows location of system board jumpers and connectors.
Table 1. System board jumpers and connectors . This table describes the system board connectors and jumpers.
ItemConnectorDescription
1.J_USB3USB connector
2. iDRAC Direct (Micro-AB USB) iDRAC Direct port and rSPI connector
3.TPMTPM connector
4.B8, B4, B5, B6, B7, B1, B2, B3Memory module sockets
5.PERC_BackplanePERC card connector
6.PCIE_SATA_BPDrive backplane connector
7PWRD_ENSystem configuration jumper (Enabling or disabling the password)
8NVRAM_CLRSystem configuration jumper (Retaining or clearing configuration settings)
9.BOSS/IDSDMIDSDM or BOSS card connector
10. INT_USB1_3.0Internal USB connector
11.A8, A4, A5, A6, A7, A1, A2, A3Memory module sockets
12.MEZZ1_FAB_CMezzanine card connector
13.MEZZ2_FAB_BMezzanine card connector
14VFLASHMicro vFlash card connector
15bNDC Network Daughter Card (NDC) connector
16CPU1Processor 1
17CPU2Processor 2
18BATTERYSystem battery connector

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