Supermicro SuperServer SYS-221HE-FTNR User Manual page 72

BMC and PCH I²C/SDA to VRM/BMC and PCH I²C/SCl to VRM Select Jumper
Use jumper JVRM1 to select between BMC and PCH I²C/SDA for VRM support or BMC and
PCH I²C/SCl for VRM support. Connect a cable to JVRM1 to enable BMC and PCH I²C/SDA
for VRM support. See the table below for jumper settings.
BMC and PCH I²C/SDA to VRM and BMC and PCH I²C/SCL to VRM Select Jumper
Jumper Setting Definition
Closed BMC and PCH I²C/SDA for VRM support (Default)
Open BMC and PCH I²C/SCl for VRM support
UID LED and BMC_Reset Button Select Jumper
Jumper JRU1 is used in conjunction with Pin 2 of Front Control Panel header 1 (JFP1) to
function as a BMC_Reset button or a UID LED button. To configure Pin 2 of JFP1 for front
UID button use in a chassis that supports front UID connection, close Pins 1 and 2 of jumper
JRU1. To set Pin 2 of JFP1 for BMC reset support, close Pins 3 and 4 of jumper JRU1. Please
refer to the table below for more information on JRU1.
State
Close Pin 1 and Pin 2 of JRU1
Close Pin 3 and Pin 4 of JRU1
CPLD JTAG Enable Jumper
Use jumper JPFR1 to enable CPLD (Complex Programmable Logic Device) JTAG support.
Connect a cable to JPFR1 to support CPLD JTAG. See the table below for jumper settings.
Jumper Settings
Front UID Switch/Reset Button Select Jumper (JRU1)
Jumper Settings
Description
Pin 2 of JFP1: used for front UID switch support (Default)
Pin 2 of JFP1: used for BMC Reset support
CPLD JTAG Enable Jumper
Jumper Settings
Jumper Setting Definition
Closed CPLD JTAG Enabled (Default)
Open CPLD JTAG Disabled
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Chapter 4: Motherboard Connections