Asus TS500-E6/PS4 - Manual (Page 90)

5-20 Chapter 5: BIOS setup
USB Functions [5 USB Ports]
Allows you to configure the amount of USB ports to be enabled.
Configuration options: [Disabled] [2 USB Ports] [4 USB Ports] [5 USB Ports]
USB Port Configure [8+4 USB Ports]
This item disappears when you set the USB Functions item to [Disabled].
Configuration options: [6+6 USB Ports] [8+4 USB Ports]
USB 2.0 Controller [Enabled]
Allows you to enable or disable the USB 2.0 controller. This item become
unconfigurable if you set the USB Functions item to [2 USB Ports] or
[4 USB Ports]. Configuration options: [Enabled] [Disabled]
HDA Controller [Enabled]
Allows you to enable or disable the High Definition Audio controller.
Configuration options: [Enabled] [Disabled]
SLP_S4# Min. Assertion Width [1 to 2 seconds]
Configuration options: [4 to 5 seconds] [3 to 4 seconds] [2 to 3 seconds]
[1 to 2 seconds]
South Bridge Chipset Configuration
BIOS SETUP UTILITY
Advanced
South Bridge Chipset Configuration
USB Functions [5 USB Ports]
USB Port Configure [8+4 USB Ports]
USB 2.0 Controller [Enabled]
HDA Controller [Enabled]
SLP_S4# Min. Assertion Width [1 to 2 seconds]
Options
Disabled
2 USB Ports
4 USB Ports
5 USB Ports