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Asus M2N68 PLUS User Manual - Page 32

Digital audio connector 4-1 pin SPDIF_OUT, CPU fan connector, pin CPU_FAN - am plus cpu support

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8. CPU fan connector (4-pin CPU_FAN) The fan connector supports cooling fans of 350 mA~740 mA (8.88 W max.) or a total of 1 A~2.22 A (26.64 W max.) at +12V. Connect the fan cable to the fan connector on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector. Do not forget to connect the fan cables to the fan connector. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! Only the CPU fan supports the ASUS Q-Fan feature. 9. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port(s). Ensure that the audio device of Sound playback is Realtek High Definition Audio (the name may be different based on the OS). Go to Start > Control Panel > Sounds and Audio Devices > Sound Playback to configure the setting. 1-22 ASUS M2N68 PLUS

Section	Page
Notices	6
Safety information	7
About this guide	7
M2N68 PLUS specifications summary	9
Chapter 1	11
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	14
1.5 Motherboard overview	15
1.5.1 Placement direction	15
1.5.2 Screw holes	15
1.5.3 Motherboard layout	16
1.5.4 Layout contents	17
1.6 Central Processing Unit (CPU)	17
1.6.1 Installing the CPU	17
1.6.2 Installing the heatsink and fan	19
1.7 System memory	20
1.7.1 Overview	20
1.7.2 Memory configurations	21
1.7.3 Installing a DIMM	23
1.7.4 Removing a DIMM	23
1.8 Expansion slots	24
1.8.1 Installing an expansion card	24
1.8.2 Configuring an expansion card	24
1.8.3 PCI slots	24
1.8.4 PCI Express x1 slots	24
1.8.5 PCI Express x16 slot	24
1.9 Jumpers	25
1.10 Connectors	26
1.10.1 Rear panel connectors	26
1.10.2 Internal connectors	27
1.11 Software support	34
1.11.1 Installing an operating system	34
1.11.2 Support DVD information	34
Chapter 2	35
BIOS information	35
2.1 Managing and updating your BIOS	35
2.1.1 ASUS Update utility	35
2.1.2 ASUS EZ Flash 2 utility	36
2.1.3 ASUS CrashFree BIOS 3 utility	37
2.2 BIOS setup program	38
2.2.1 BIOS menu screen	39
2.2.2 Menu bar	39
2.2.3 Navigation keys	40
2.2.4 Menu items	40
2.2.5 Submenu items	40
2.2.6 Configuration fields	40
2.2.7 General help	40
2.2.8 Pop-up window	40
2.2.9 Scroll bar	40
2.3 Main menu	41
2.3.1 System Time [xx:xx:xx]	41
2.3.2 System Date [Day xx/xx/xxxx]	41
2.3.3 Storage Configuration	41
2.3.4 Primary IDE Master/Slave and SATA 1~4	42
2.3.5 System Information	43
2.4 Advanced menu	43
2.4.1 JumperFree Configuration	43
2.4.2 CPU Configuration	46
2.4.3 Chipset	46
2.4.4 Onboard Devices Configuration	47
2.4.5 PCI PnP	48
2.4.6 USB Configuration	48
2.5 Power menu	49
2.5.1 Suspend Mode [Auto]	49
2.5.2 ACPI 2.0 Support [Disabled]	49
2.5.3 ACPI APIC Support [Enabled]	49
2.5.4 APM Configuration	49
2.5.5 Hardware Monitor	50
2.6 Boot menu	51
2.6.1 Boot Device Priority	51
2.6.2 Boot Settings Configuration	51
2.6.3 Security	52
2.7 Tools menu	53
2.7.1 ASUS EZ Flash 2	53
2.7.2 AI NET 2	53

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Digital audio connector (4-1 pin SPDIF_OUT)

This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port(s).

Ensure that the audio device of Sound playback is

Realtek High Deﬁnition Audio (the

name may be different based on the OS)

. Go to

Start > Control Panel > Sounds and

Audio Devices > Sound Playback

to conﬁgure the setting.

CPU fan connector

(4-pin CPU_FAN)

The fan connector supports cooling fans of 350 mA~740 mA (8.88 W max.) or a total of

1 A~2.22 A (26.64 W max.) at +12V. Connect the fan cable to the fan connector on the

motherboard, making sure that the black wire of each cable matches the ground pin of

the connector.

Do not forget to connect the fan cables to the fan connector. Insufﬁcient air ﬂow inside the

system may damage the motherboard components. These are not jumpers! Do not place

jumper caps on the fan connectors!

Only the CPU fan supports the ASUS Q-Fan feature.

1-22

ASUS M2N68 PLUS