Dell PowerVault 775N Installation And Troubleshooting Manual page 92

Table A-2. System Board Connectors
Connector Description
BATTERY System battery
DIMM Xn Memory modules (6), where X is the bank and n is the slot in the bank
FANn Cooling fans:
PROC n Microprocessors (2)
RAID_BAT Battery cable for integrated RAID controller
RAID_DIMM Memory module for integrated RAID controller
RAID_KEY Hardware key for integrated RAID controller
VRM n Microprocessor VRMs (2)
NOTE: For the full name of an abbreviation or acronym used in this table, see
1, 2 — system fans
3, 4 — microprocessors (2)
5, 6 — optional
7 — expansion cards
"Abbreviations and Acronyms."