Acrosser AR-B1991 - Manual (Page 24)

User’s Guide
AR-B1991 24
The COM4 choice: 3F8/IRQ10, 2E8/IRQ10, 3E8/IRQ10, 2F8/IRQ10,
Disabled
The COM5 choice: 4F8/IRQ11, 4E8/IRQ10, Disabled
The COM6 choice: 4F8/IRQ11, 4E8/IRQ10, Disabled
Onboard Parallel Port
Select 3BC/IRQ7 to enable On Board Parallel Port as first Parallel
Interface.
The choice: Disable, 378/IRQ7, 278/IRQ5, 3BC/IRQ7.
USB Controller
Select Enabled if your system contains a Universal Serial Bus (USB)
controller and you have USB peripherals.
The Choice: Enabled, Disabled.
OnBoard LAN1 Device
The Choice: Enabled, Disabled.
USB 2.0 Controller
This Entry is for disable / enable EHCI controller only. The Bios itself may
/ may not have high speed USB support. If the Bios has high speed USB
support built in, the support will be automatically turn on when high
speed device were attached.
The Choice: Enabled, Disabled.
OnBoard LAN2 Device
The Choice: Enabled, Disabled.
AC97 AUDIO
The Choice: Auto, Disabled.
OnChip IDE Device
The item contain IDE Device and S-ATA Device.
The Choice: Enabled, Disabled.