Asus M5A78L USB3 User Manual - Page 32

Internal connectors - drivers

Page 32 highlights

7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices. 8. USB 3.0 ports 3 and 4. These two 9-pin Universal Serial Bus (USB) ports connect to USB 3.0/2.0 devices. • DO NOT connect a keyboard / mouse to any USB 3.0 port when installing Windows® operating system. • Due to USB 3.0 controller limitation, USB 3.0 devices can only be used under Windows® OS environment and after the USB 3.0 driver installation. • USB 3.0 devices can only be used as data storage only. • We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster and better performance for your USB 3.0 devices. • USB 3.0 ports are unavailable for any USB devices under DOS environments. 9. Serial port. This 9-pin COM1 port is for pointing devices or other serial devices. 10. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard. 1.10.2 Internal connectors 1. Front panel audio connector (10-1 pin AAFP) This connector is for a chassis-mounted front panel audio I/O module that supports either High Definition Audio or AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector. GND PRESENCE# SENSE1_RETUR SENSE2_RETUR AGND NC NC NC M5A78L/USB3 AAFP PIN 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L/USB3 Front panel audio connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard high-definition audio capability. • If you want to connect a high definition front panel audio module to this connector, set the Front Panel Select item in the BIOS to [HD Audio]. See section 2.4.4 Onboard Devices Configuration for details. • The front panel audio I/O module is purchased separately. 1-22 Chapter 1: Product introduction

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66

7.
USB 2.0 ports 1 and 2.
These two 4-pin Universal Serial Bus (USB) ports connect to
USB 2.0 devices.
8.
USB 3.0 ports 3 and 4.
These two 9-pin Universal Serial Bus (USB) ports connect to
USB 3.0/2.0 devices.
DO NOT connect a keyboard / mouse to any USB 3.0 port when installing Windows
®
operating system.
Due to USB 3.0 controller limitation, USB 3.0 devices can only be used under Windows
®
OS environment and after the USB 3.0 driver installation.
USB 3.0 devices can only be used as data storage only.
We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster
and better performance for your USB 3.0 devices.
USB 3.0 ports are unavailable for any USB devices under DOS environments.
9.
Serial port.
This 9-pin COM1 port is for pointing devices or other serial devices.
10.
PS/2 Keyboard port (purple).
This port is for a PS/2 keyboard.
We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard high-definition audio capability.
If you want to connect a high definition front panel audio module to this connector, set
the
Front Panel Select
item in the BIOS to
[HD Audio]
. See section
2.4.4 Onboard
Devices Configuration
for details.
The front panel audio I/O module is purchased separately.
1.10.2
Internal connectors
1.
Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports
either High Definition Audio or AC`97 audio standard. Connect one end of the front
panel audio I/O module cable to this connector.
M5A78L/USB3
M5A78L/USB3 Front panel audio connector
AAFP
PIN 1
GND
PRESENCE#
SENSE1_RETUR
SENSE2_RETUR
PORT1 L
PORT1 R
PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition
PIN 1
AGND
NC
NC
NC
MIC2
MICPWR
Line out_R
NC
Line out_L
Legacy AC’97
compliant definition
Chapter 1: Product introduction
1-22