User Guide
ASUS ESC300 G4
3-7
9. USB 3.0 connector (20-1 pin USB3_12)
This connector allows you to connect a USB 3.0 module
for additional USB 3.0 front or rear panel ports. With an
installed USB 3.0 module, you can enjoy all the benets
of USB 3.0 including faster data transfer speeds of up
to 5Gbps, faster charging time for USB-chargeable
devices, optimized power efciency and backward
compatibility with USB 2.0.
USB3_12
GND
IntA_P1_D+
IntA_P1_D-
GND
IntA_P1_SSTX+
IntA_P1_SSTX-
GND
IntA_P1_SSRX+
IntA_P1_SSRX-
USB3+5V
PIN 1
IntA_P2_D+
IntA_P2_D-
GND
IntA_P2_SSTX+
IntA_P2_SSTX-
GND
IntA_P2_SSRX+
IntA_P2_SSRX-
USB3+5V
10. USB 2.0 connector (10-1 pin USB1112)
This connector is for USB 2.0 ports. Connect the USB module cable
to any of this connector, then install the module to a slot opening
at the back of the system chassis. These USB connectors comply
with USB 2.0 specications and supports up to 480Mbps connection
speed.
Never connect a 1394 cable to the USB connectors. Doing so will
damage the motherboard!
USB+5V
USB_P11-
USB_P11+
GND
NC
USB+5V
USB_P12-
USB_P12+
GND
USB1112
PIN 1
12. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port
module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
11. TPM connector (14-1 pin TPM)
This connector supports a Trusted Platform Module (TPM) system,
which securely store keys, digital certicates, passwords and data.
A TPM system also helps enhance network security, protect digital
identities, and ensures platform integrity.
The TPM module is purchased separately.