Biostar TPOWER I55 Setup Manual page 14

Motherboard Manual
PEX16_1: PCI-Express Gen2 x16 (x16/CrossFireX x8, SLI x8 Speed) Slot
- PCI-Express 2.0 compliant.
- Maximum theoretical realized bandwidth of 8GB/s (4GB/s CrossFireX/SLI)
simultaneously per direction, for an aggregate of 16GB/s(8GB/s
CrossFireX/SLI) totally.
PEX16_1 & PEX16_2 slots are reserved for graphic or video cards. The
-
design of this motherboard supports dual PCI-Express graphics cards using
CrossFireX/SLI technology with multiple displays. When CrossFireX/SLI is
activated, these slots run with x8 speed.
PEX16_2: PCI-Express Gen2 x8 (x8/CrossFireX x8, SLI x8 Speed) Slot
- PCI-Express 2.0 compliant.
- Maximum theoretical realized bandwidth of 4GB/s (4GB/s CrossFireX/SLI)
simultaneously per direction, for an aggregate of 8GB/s(8GB/s
CrossFireX/SLI) totally.
PEX4_1: PCI-Express Gen2 x4 Slot
- PCI-Express 2.0 compliant.
- Maximum theoretical realized bandwidth of 2GB/s simultaneously per
direction, for an aggregate of 4GB/s totally.
PEX1_1: PCI-Express Gen2 x1 Slot
PCI-Express 2.0 compliant.
-
- Data transfer bandwidth up to 500MB/s per direction; 1GB/s in total.
- PCI-Express supports a raw bit-rate of 2.5Gb/s on the data pins.
2X bandwidth over the traditional PCI architecture.
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PEX16_1
PEX1_1
PEX4_1
PEX16_2