Asus CS-B - Manual (Page 21)

ASUS CS-B 1-13
• Due to USB 3.0 controller limitations, USB 3.0 devices can only be used under a
Windows ® OS environment and after USB 3.0 driver installation.
• The plugged USB 3.0 device may run on xHCI or EHCI mode, depending on the
operating system’s setting.
• USB 3.0 devices can only be used for data storage.
• We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster
and better performance from your USB 3.0 devices.
• Due to the design of the Intel ® 8 series chipset, all USB devices connected to the
USB 2.0 and USB 3.0 ports are controlled by the xHCI controller. Some legacy USB
devices must update their firmware for better compatibility.
11. DVI-I port. This port is for any DVI-I compatible device and are HDCP compliant,
allowing playback of HD DVD, Blu-Ray and other protected content.
12. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
1.7.2 Internal connectors
1. Serial port connector (10-1 pin COM1, COM2)
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.
The COM module is purchased separately.
CS-B Serial port connectors
PIN 1
COM2
DCD TXD GND RTS
RI
RXD DTR DSR CTS
PIN 1
COM1
DCD TXD GND RTS
RI
RXD DTR DSR CTS
CS-B