Quick Reference - Supermicro A+ Server 2123BT-HTR User Manual

Quick Reference

Jumper Description
UID SW Unit ID switch (push-button toggle switch ON/OFF)
JBT1 Clear CMOS
JPB1 BMC Enable/Disable
JPG1 VGA Enable/Disable
JDBG1 Debug mode control
JWD1 Watch Dog control
Connector Description
Battery (BT1) Onboard CMOS battery
COM 1 Front panel COM port #1
FAN 3/4 System cooling fan headers
IPMI_LAN Dedicated IPMI LAN port
JF1 Front control panel
JF2 PCI-E 3.0 x4 slot supported by CPU2
JSD1 SATA DOM power connector
JSDCARD1 Micro SD Card slot
JTPM1 Trusted Platform Module (TPM)/Port 80 connector
SIOM PCI-E 3.0 x16 slot for proprietary add-on module supported by CPU1
SXB1 PCI-E 3.0 x4 slot supported by CPU2 and SATA connections (SATA0~5) by CPU1
SXB2 PCI-E 3.0 x24 slot supported by CPU2
SXB3 PCI-E 3.0 x16 left hand riser slot supported by CPU1
SXB4 PCI-E 3.0 x16 right hand riser slot supported by CPU1
SATA6 SATA DOM with power-pin connector
J2 M.2 connector PCI-E 3.0 x4 supported by CPU1 and SATA7 connection
USB 0/1 (3.0) Back panel USB 3.0 ports
USB3 (2.0) Internal USB 2.0 port
VGA Back panel VGA port
LED Description
UID LED1 Rear unit ID LED
BMC_HB LED2 BMC Heartbeat LED
PWR_OK LED3 Power OK LED
For detailed descriptions, pinout information and jumper settings, refer to Chapter 4.
Notes:
•
" " indicates the location of Pin 1.
•
Jumpers/LED indicators not indicated are used for internal testing only.
Status
Solid blue: UID switched to ON, unit identified
Green: Blinking (BMC normal), Green: Fast blinking (BMC initializing)
Green: System power OK
15
Chapter 1: Introduction
Default Setting
Off
Open (Normal)
Pins 1-2: (Enabled)
Pins 1-2 (Enabled)
Pins 1-2: Normal mode
Pins 1-2 (Reset)