ASROCK 939Dual-SATA2 Datasheet download pdf (Page 7)

ASRock 8CH I/O: 1 PS/2 Mouse Port, 1 PS/2 Keyboard Port

1 Serial Port: COM1

1 Parallel Port (ECP/EPP Support)

4 Ready-to-Use USB 2.0 Ports

1 RJ-45 Port

Audio Jack: Side Speaker / Rear Speaker / Central/Bass /

Line In / Front Speaker / Microphone

(see CAUTION 6)

BIOS: AMI Legal BIOS

Supports “Plug and Play”

ACPI 1.1 Compliance Wake Up Events

SMBIOS 2.3.1 Support

CPU Frequency Stepless Control

(only for advanced users’ reference, see CAUTION 7)

OS: Microsoft

Windows

98 SE / ME / 2000 / XP / XP 64-bit

compliant

CAUTION!

1. For power-saving’s sake, it is strongly recommended to enable AMD’s Cool ‘n’

Quiet

technology under Windows system. See APPENDIX on page 40 to

enable AMD’s Cool ‘n’ Quiet

technology.

2. This motherboard supports Dual Channel Memory Technology. Before you

implement Dual Channel Memory Technology, make sure to read the

installation guide of memory modules on page 12 for proper installation.

3. While CPU overheat is detected, the system will automatically shutdown.

Before you resume the system, please check if the CPU fan on the motherboard

functions properly and unplug the power cord, then plug it back again. To

improve heat dissipation, remember to spray thermal grease between the

CPU and the heatsink when you install the PC system.

4. Do NOT use a 3.3V AGP card on the AGP slot of this motherboard!

It may cause permanent damage!

5. Power Management for USB 2.0 works fine under Microsoft

Windows

SP1 / 2000 SP4. It may not work properly under Microsoft

Windows

98/ ME.

6. For microphone input, this motherboard supports both stereo and mono modes.

For audio output, this motherboard supports 2-channel, 4-channel, 6-channel,

and 8-channel modes. Please check the table on page 9 for proper connection.

7. Although this motherboard offers stepless control, it is not recommended to

perform over-clocking. Frequencies other than the recommended CPU bus

frequencies may cause the instability of the system or damage the CPU.

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ASROCK 939Dual-SATA2 Datasheet Page 7

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