DFI EC700-BT Manual - Manual (Page 23)

23
Chapter 5 Ports and Connectors
Chapter 5
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Important:
When installing Windows 7, only native USB 2.0 devices (USB port 0 to USB port 3)
can operate under DOS mode. Please refer to the following tables for more infomation
on the type of USB ports.
Operation
Environment
for Customers
DOS Windows 7 Windows 8.x Linux
OS Selection
in the BIOS
Advanced Menu
Windows 8.x Windows 7 Windows 8.x Windows 8.x
Available USB
ports
All
When installing Windows 7 fi rst
time, only native USB 2.0 ports
can work. Please refer to the
USB type in table 2 below.
All All
Table 1. OS Selection
Model Name BT253
USB 3.0 Native
USB 0 Native
USB 1 Native
USB 2 Native (share with USB 3.0 port)
USB 3 Native
USB 4 HSIC port 0
USB 5 HSIC port 1
USB 6 HSIC port 2
USB 7 HSIC port 3
Table 2. The Type of USB Ports
COM (Serial) Ports
The serial ports are asynchronous communication ports with 16C550A-compatible UARTs that
can be used with modems, serial printers, remote display terminals, and other serial devices.
BIOS Setting
Configure the serial ports in the Integrated Peripherals submenu (“Onboard I/O Chip Setup”
section) of the BIOS. Refer to chapter 7 for more information.
3
COM 1/COM 2/COM 4:
RS232/RS422/RS485
COM 4/8-bit DIO
COM 2
COM 1
COM 3:
RS232/RS422/RS485
COM 6
COM 5
COM 5/COM 6:
RS232
1
2
9
DCD- TD GND RT
S-
RI
-
RD
DT
R- DSR
-
CTS-