Dell 2650 manual Expansion-Card Riser-Board Components and PCI Buses, Connector Description

Table 5-2. System Board Connectors

Connector	Description
BATTERY	System battery
BANKn_x	Memory modules (6), where n is the bank and x is the slot in the bank
FANn	Cooling fans:
	• 1, 2	— system fans
	• 3, 4	— microprocessors (2)
	• 5, 6	— optional
	• 7 — expansion cards
PROC n	Microprocessors (2)
RAID_BAT	Battery cable for optional integrated RAID controller
RAID_DIMM	Memory module for optional integrated RAID controller
RAID_KEY	Hardware key for optional integrated RAID controller
VRM n	Microprocessor VRMs (2)

Expansion-Card Riser-Board Components and PCI Buses

Figure 5-4 shows the components on the expansion-card riser board, including the expansion-card slots and buses. Table 4-1 lists the PCI bus and operating speed for each expansion-card slot.

Figure 5-4. Expansion-Card Riser-Board Components