Quick Reference Table

Jumper

Description

Default Setting

JBT1

CMOS Clear

Open (Normal)

JPL3

X550 LAN1 and LAN2 Enable/Disable ( only)

Pins 1–2 (Enabled)

JPT1

Onboard TPM Enable/Disable

Pins 1–2 (Enabled)

JVRM1

VRM SMB Clock (to BMC)

Pins 1–2 (Normal)

JVRM2

VRM SMB Data (to BMC)

Pins 1–2 (Normal)

LED

Description

Status

LED4

M.2 LED

Blinking: Device Working

LED6

Unit Identifier LED

Solid Blue: Unit Identified

LED7

M.2 LED

Blinking: Device Working

LEDBMC

BMC Heartbeat

Blinking Green: Device Working

LEDPWR

Onboard Power LED

Solid Green: Power On

Connector

Description

BMC_LAN

Dedicated BMC LAN Port

BT1

Onboard Battery

FAN1–FAN5, FANA, FANB

CPU/System Fan Headers (FAN1: CPU Fan)

JBPNI²C1

4-pin BMC External I²C Header for Backplane

JCOM1

COM Header

JF1

Front Control Panel Header

JIPMB1

System Management Bus Header (for IPMI only)

JL1

Chassis Intrusion Header

JM2_1, JM2_2

M.2 M-Key PCIe 5.0 x2 Connectors (supports 22110 form factor)

JNCSI1

NC-SI Port Selection

JNVI²C1

Non-volatile Memory (NVMe) I²C Header

JNVME1–JNVME6

MCIO PCIe 5.0 x8 Connectors (JNVME1 and JNVME2 support CXL 2.0 devices. JNVME3–JNVME6 are enabled with the following processors installed: Intel® Xeon ® 6781P, 6761P, 6741P, 6731P,and 6521P)

JPI²C1

Power System Management Bus I²C Header

JPWR1, JPWR2

8-pin 12 V CPU Power Connector

JPWR3

24-pin ATX Power Connector (Required)

JRK1

VROC RAID Key Header

JS1

Slimline SAS SATA 3.0 Ports

JSEN1

Inlet Sensor Header

JSTBY1

Standby Power Connector

JTPM

Trusted Platform Module (TPM)/Port 80 Connector

JUIDB1

Unit Identifier Button

LAN1, LAN2

LAN (RJ45) Ports

SLOT1

PCIe 5.0 x16 Slot with Latch (Supports CXL 2.0 devices)

SLOT2

PCIe 5.0 x8 Slot (Supports CXL 2.0 devices)

SLOT3

PCIe 5.0 x16 Slot (Supports CXL 2.0 devices)

SLOT4

PCIe 5.0 x8 Slot (Supports CXL 2.0 devices)

SLOT5

PCIe 5.0 x8 Slot (Supports CXL 2.0 devices)

SLOT6

PCIe 5.0 x16 Slot with Latch (Enabled with the following processors installed: Intel® Xeon ® 6781P, 6761P, 6741P, 6731P, 6521P, 6511P)

USB0/1

USB 3.2 Gen 1 Ports

USB2/3

USB 3.2 Gen 1 Header

VGA

VGA Port

Note: Jumpers, connectors, switches, and LED indicators that are not described in these tables are for manufacturing testing purposes only, and are not covered in this manual.