Upstream PCIe interface |
- 8-lane PCI Express
- PCIe Gen 1 (2.5 GT/s)
- PCIe Gen 2 (5.0 GT/s)
- PCIe Gen 3 (8.0 GT/s)
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Downstream PCIe interface |
- Two SFF-8654 4x 85ohm 38pin Connectors
- Each SFF-8654 Connector 4-lane PCI Express
- PCIe Gen 1 (2.5 GT/s)
- PCIe Gen 2 (5.0 GT/s)
- PCIe Gen 3 (8.0 GT/s)
- SFF-8654 Connector pinout
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Key Features |
- Standards Compliant
- PCI Express Base Specification, r3.0 (compatible w/ PCIe r1.0a/1.1 & 2.0)
- PCI Power Management Spec r1.2
- Microsoft Windows Logo Compliant
- Supports Access Control Services
- Dynamic link-width control
- Dynamic SerDes Speed Control
- High Performance
- performancePAK
- Multicast
- Dynamic Buffer/FC Credit Pool
- Non-blocking switch fabric
- Full line rate on all ports
- Cut-Thru packet latency of less than 100ns between symmetric (x4 to x4) ingress and egress Ports
- 2KB Max Payload Size
- Quality of Service (QoS)
- Traffic Class Queuing
- Eight Traffic Classes per port
- Weighted round-robin source port arbitration
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Lane Status LEDs
- Slow Blink: Gen 1
- Fast Blink: Gen 2
- Solid: Gen 3
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- Upstream Lane Status LEDs
- LEDP0: Upstream Status LED
- Downstream Lane Status LEDs
- LEDP1: Downstream Status LED (x8)
- LEDP1 & LEDP2: Downstream Status LED (x4, x4)
- LEDP1&LEDP2 &LEDP3 & LEDP4 LEDs: Downstream Status LED (x2, x2, x2, x2)
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Switch |
SW1-1&2: PCIe Port Configuration
Switch
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Port Configuration
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SW1-1 |
SW1-2 |
PCIE1 |
PCIE2 |
ON* |
OFF* |
x4 |
x4 |
OFF |
OFF |
x2, x2 |
x2, x2 |
OFF |
ON |
x8 |
SW1-3&4: Max PCIe Data Rate
SW1-3 |
SW1-4 |
PCIe Data Rate |
ON* |
OFF* |
Gen 3 (8.0 GT/s) |
OFF |
OFF |
Gen 2 (5.0 GT/s) |
ON |
ON |
Gen 1 (2.5 GT/s) |
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SMbus Slave Address Setting Switch |
Slave Address
A1 A0 |
SW2-1 |
SW2-2 |
SW2-3 |
SW2-4 |
0 0 |
0xE0 W
0xE1 R |
ON |
ON |
X |
X |
0 1 |
0xE2 W
0xE3 R |
OFF |
ON |
X |
X |
1 0 |
0xE4 W
0xE5 R |
ON |
OFF |
X |
X |
1 1 |
0xE6 W
0xE7 R |
OFF |
OFF |
X |
X |
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Computer Platform Requirements |
Desktop computer equipped with a PCIe 3.0 x8, x16 slot |
Number of Port |
- Two SFF-8654 4x 38pin connectors
- One JST Compatible 2pin Wafer (Supply 3.3Vaux Power)
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