5 onboard devices configuration, Hd audio controller [enabled, Onboard 1394 controller [enabled – Asus P2-P5945GCX User Manual
Page 79: Serial port1 address [3f8/irq4

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ASUS P1/P2-P5945GCX
5.4.5
Onboard Devices Configuration
Configure Win627EHG Super IO Chipset
HD Audio Controller
[Enabled]
Onboard 1394 Controller
[Enabled]
LAN Option ROM
[Disabled]
Serial Port1 Address
[3F8/IRQ4]
HD Audio Controller [Enabled]
Enables or disables the Azalia/AC’97 CODEC.
Configuration options: [Enabled] [Disabled]
Onboard 1394 Controller [Enabled]
Enables or disables the onboard IEEE 1394a controller.
Configuration options: [Enabled] [Disabled]
LAN Option ROM [Disabled]
Allows you to enable or disable the boot ROM in the onboard LAN controller.
This item appears only when the Onboard LAN item is set to Enabled.
Configuration options: [Disabled] [Enabled]
Enable or disable
High Definition Audio
Controller
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address.
Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]