5.1.3 : PCIe Switch LEDS
There are 11 LEDs that provide real-time link and error status for the on-board PCIe switch. These
LEDs are driven directly from the on-board PCIe switch.
The following tables define the meaning of these LEDs and the port they are associated with on the
PCIe switch.
PCIe LEDs
PCIe Port 0 Link Status
(MiniPCIe 1)
Green. This LED indicates PCIe link status with MiniPCIe socket 1.
This PCIe port is configured as a x1. Supports Gen 1 & 2.
PCIe Port 1 Link Status
(MiniPCIe 2)
Green. This LED indicates PCIe link status with MiniPCIe socket 2.
This PCIe port is configured as a x1. Supports Gen 1 & 2.
PCIe Port 2 Link Status
(PMC/PCI Bridge 1)
Green. This LED indicates PCIe link status with PMC/PCI bridge 1.
This PCIe port is configured as a x4. Supports Gen 1.
PCIe Port 3 Link Status
(PMC/PCI Bridge 2)
Green. This LED indicates PCIe link status with PMC/PCI bridge 2.
This PCIe port is configured as a x4. Supports Gen 1.
PCIe Port 4 Link Status
(VPX Port 0)
Green. This LED indicates PCIe link status with VPX Port 0. This PCIe
port is configured as a x4. Supports Gen 1 & 2. (Default upstream)
PCIe Port 5 Link Status
(VPX Port 1)
Green. This LED indicates PCIe link status with VPX Port 1. This PCIe
port is configured as a x4. Supports Gen 1 & 2.
PCIe Port 6 Link Status
(VPX Port 2)
Green. This LED indicates PCIe link status with VPX Port 2. This PCIe
port is configured as a x4. Supports Gen 1 & 2.
PCIe Port 7 Link Status
(VPX Port 3)
Green. This LED indicates PCIe link status with VPX Port 3. This PCIe
port is configured as a x4. Supports Gen 1 & 2.
PCIe Port 8 Link Status
(XMC 1)
Green. This LED indicates PCIe link status with XMC 1. This PCIe
port is configured as a x8. Supports Gen 1 & 2.
PCIe Port 9 Link Status
(XMC 2)
Green. This LED indicates PCIe link status with XMC 2. This PCIe
port is configured as a x8. Supports Gen 1 & 2.
Fatal Error
Red. On when a fatal error was detected in the PCIe switch. Please
reference the PEX8648 specification for conditions that may cause
this.
Table 43 : PCIe LEDs
Link Status
LED Pattern
Link is down
Off
Link is up, 5 GT/s, All lanes are up
On
Link is up, 5 GT/s, Reduced lanes are up
Blinking, 0.5 seconds on, 0.5 seconds off
Link is up, 2.5 GT/s, All lanes are up
Blinking, 1.5 seconds on, 0.5 seconds off
Link is up, 2.5 GT/s, Reduced lanes are up
Blinking, 0.5 seconds on, 1.5 seconds off
Table 44 : PCIe LED Pattern
VP3500 User Manual • Document Number 101-3500-0001 • Revision A0
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