DFI BT101 - Manual (Page 30)

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30
Chapter 2 Hardware Installation
Chapter 2
Expansion Slots
PCI Express x1 Slot
Install PCI Express cards such as network cards or other cards that comply to the PCI Express
specifications into the PCI Express x1 slot.
Mini PCI Express Slot
The Mini PCIe socket is used to install a Mini PCIe card. Mini PCIe card is a small form factor
PCI card with the same signal protocol, electrical definitions, and configuration definitions as
the conventional PCI.
PCI Express x1
Mini PCI Express
SMBus Connector (optional)
SMBus
The SMBus (System Management Bus) connector is used to connect SMBus devices. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each one
to act as a master by initiating data transfer.
GND
+3.3V_standby
SMBUS Data
SMBUS Clock
NC
SMBUS_Alert
1
2
5
6