ECS PF21 Extreme User Manual page 11

2.0 ports, Azalia Audio interface, and PCI 2.3 interface.
7. PCI Express x16 (PCI-E1) slot
This 925XE has one x16 PCI Express slot, which is intended for an
external PCI Express graphics card.
8. SiS 180 Serial ATA controller
This motherboard incorporates the high performance SiS 180 IDE
RAID controller, which supports RAID 0, RAID 1 and RAID 0+1
configuration.
9. PCI slots
These three 32-bit PCI 2.3 expansion slots support bus master PCI
cards like SCSI or LAN cards with 133MB/s maximum throughput.
10. IEEE 1394a controller
The IEEE 1394a controller provides high-speed and flexible
PC connectivity to a wide range of peripherals and devices compliant
to IEEE 1394a standards. The IEEE 1394a interface allows up to
400Mbps tranfer rates.
11. PCI Express x1 (PCI-E2/PCI-E3) slots
The two PCI Express x1 slots are fully compliant to the PCI Express
Base Specification revision 1.0a
12. Audio CODEC
The audio CODEC is compliant with Intel Azalia spec and supports
8-channel High Definition audio.
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13. 10/100Mbps LAN Controller
The 10/100Mbps LAN delivers a transfer rates up to 10/100 Mbps.
14. Gigabit LAN controller
The Gigabit LAN controller delivers transfer rates up to 10/100/
1000Mbps Ethernet connection. Ideal for handling large
amounts of data such as video, audio and voice.
15. Cooling Accelerator
The cooling accelerator supercharges airflow exchange between the
chassis interior and exterior, keeping operating temperatures under
control.
a. Anti-Burn LED indicator
When this LED is light up, do not remove the memory module from
your DIMM slot or else your memory module will be damaged.
b. PCI LED indicator
The PCI LED indicates the PCI slot activity. These LEDs
will stop blinking when any add-on card has been installed. Blinking
means no add-on card installed or the add-on card was not properly
installed.