Hardware Description
Squid PCIe Gen 3 Carrier Board™ for six M.2/NGSFF(NF1) SSD modules.
Hardware Manual, Revision 1.3
Page 14
5.2
LEDs
Name
Ref.
Des.
Color
Usage
RESET
D1
RED
Global PCI Express RESET signal from motherboard
STATUS
D2
YELLOW (Currently not used).
UPSTREAM
D3
GREEN
Upstream PCIe Link status.
U5 M.2 circuit
D4
GREEN
Downstream x4 PCI Express Gen 3 link status.
U6 M.2 circuit
D5
GREEN
Downstream x4 PCI Express Gen 3 link status.
U7 M.2 circuit
D6
GREEN
Downstream x4 PCI Express Gen 3 link status.
U8 M.2 circuit
D7
GREEN
Downstream x4 PCI Express Gen 3 link status.
U9 M.2 circuit
D8
GREEN
Downstream x4 PCI Express Gen 3 link status.
U10 M.2 circuit
D9
GREEN
Downstream x4 PCI Express Gen 3 link status.
Mode of operation
D14
GREEN Normal operation mode: D14 is off.
Power OFF mode: D14 is blinking
U10 PCIe link status D15
Yellow Module connection issue: connection with less than 4
PCIe lanes or connection speed is less than 8.0 Gbps.
U9 PCIe link status
D16
Yellow Module connection issue: connection with less than 4
PCIe lanes or connection speed is less than 8.0 Gbps.
U8 PCIe link status
D17
Yellow Module connection issue: connection with less than 4
PCIe lanes or connection speed is less than 8.0 Gbps.
U7 PCIe link status
D18
Yellow Module connection issue: connection with less than 4
PCIe lanes or connection speed is less than 8.0 Gbps.
U6 PCIe link status
D19
Yellow Module connection issue: connection with less than 4
PCIe lanes or connection speed is less than 8.0 Gbps.
U5 PCIe link status
D20
Yellow Module connection issue: connection with less than 4
PCIe lanes or connection speed is less than 8.0 Gbps.
Upstream PCIe link
status
D21
Yellow Upstream connection issue: connection with less than
16/8 PCIe lanes (depend of the PCIe adapter) or
connection speed is less than 8.0 Gbps.
(on the bracket)
D22
RED
Board power ON status.
(on the bracket)
D23
GREEN
Board power ON status.
(on the bracket)
D24
BLUE
Board operation status (currently not used).
Table 1: PCIe Gen 3 Carrier Board for six M.2/NGSFF(NF1) modules - LEDs