Emulex LightPulse LPe1105-M4 HBA Installation Guide download pdf (Page 27)

Installing the adapter

Installation Steps

◆ PCI-X

◆ PCI-X 2.0

◆ PCI-Express

PCI slots can be 32-bit and 64-bit (denoted by their 124-pin or 188-pin

connectors.) These slots have plastic "keys" that prevent certain

adapters from fitting into them. These keys work with the cutout

notches in the adapter edge connector so only compatible adapters

will fit into them. This is done because of the voltage characteristics

of the adapter. (For example, inserting a 3.3 V adapter into a 5 V slot

will cause severe damage to both the adapter and the server.)

Figure 2 shows how PCI slots will appear with their keys and what

type of voltage is provided for each slot type.

Figure 2 PCI slot types and voltage key locations

Figure 3 on page 28 shows the adapter edge connectors compatible

with the PCI slots shown in Figure 2.

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Emulex LightPulse LPe1105-M4 HBA Installation Guide Page 27