Supermicro 8048B-TR4FT, User Manual

Page: 71 / 135

Chapter 5: Advanced Serverboard Setup
5-21
Universal Serial Bus (USB)
Three Universal Serial Bus headers
p r o v i d e s i x U S B c o n n e c t i o n s o n
the baseboard (USB 0/1, 2/3, 6/7).
Additionally, two Type A USB connectors
(USB4, USB5) are also located on the
board (cables not included). Refer to
the tables on the right for pin defi nitions.
Type A USB (USB4/5)
Pin Defi nitions
Pin# Defi nition
1 +5V
2 PO-
3 PO+
4 Ground
5 NA
Backplane Accessible
(USB0/1, 2/3, 6/7) USB Connectors
Pin Defi nitions
USB0/2/6
Pin# Defi nition USB1/3/7
Pin# Defi nition
1 +5V 1 +5V
2 PO- 2 PO-
3 PO+ 3 PO+
4 Ground 4 Ground
5 NC 5 Key
(NC= No Connection)
Chassis Intrusion
A Chassis Intrusion header is located
at JL1 on the system board. Attach an
appropriate cable from the chassis to be
informed of possible chassis intrusion
when the chassis is opened.
Chassis Intrusion
Pin Defi nitions
Pin# Defi nition
1 Intrusion Input
2 Ground
Internal Speaker
The internal speaker, located at SP1, can
be used to provide audible indications for
various beep codes. See the table on the
right for pin defi nitions.
Internal Speaker
Pin Defi nition
Pin# Defi nitions
Pin 1 Pos. (+) Beep In
Pin 2 Neg. (-) Alarm
Speaker