AOpen DX34 PLUS Select Buzzer or Ext. Speaker, Scsi Channel Terminator Control DX34 Plus only

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14. Select Buzzer or Ext. Speaker

There is one jumper cap over pin1 and pin2 of JP4 for internal buzzer. If you want to use external case-mounted speaker instead of internal buzzer, please remove jumper cap to short pin2 and pin3.

1

1

1

JP4

 

Buzzer Speaker

(Default)

15. SCSI Channel Terminator Control (DX34 Plus only)

The JP3/JP3X allows you to enable or disable the on-board SCSI Channel A and B terminator control function. The SCSI Channel A is controlled by JP3; the Channel B is controlled by JP3X.

JP3

JP3X

1

1

ON

OFF

(Default)

 

16. Power-On and Load BIOS Setup

After you finish the setting of jumpers and connect correct cables. Power on and enter the BIOS Setup, press <Del> during POST (Power On Self Test). Choose "Load Default Setting" for recommended optimal performance.

Del

Warning: Please avoid of using "Load Turbo Defaults", unless you are sure your system components (CPU, DRAM, HDD, etc.) are good enough for turbo setting.

17. Installing Onboard Sound Driver

This motherboard comes with an AD 1885 AC97 CODEC. You can find the audio driver from the Bonus Pack CD disc autorun menu.

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Contents Intel 82559 10/100 LAN Controller AGP Pro Slot CPU fan connector Installing CPUInstalling CPU & Housing Fan System fan connectorInstalling Thermal Sensor SW1 Setting CPU FSB Frequency & RatioSW3 Select CPU Type Connecting ATX and AGP Pro Power Connector Install Dimm ModulesConnecting Redundant SPS Connector Connecting IDE & FDD CableCD-IN & FAX-Voice Connector Applied to DX34 Connecting 68-pin Ultra3 Scsi Cable DX34 PlusConnecting Front Panel Connector Connecting Scsi LED ConnectorSelect Buzzer or Ext. Speaker Power-On and Load Bios SetupInstalling Onboard Sound Driver Scsi Channel Terminator Control DX34 Plus onlyPart Number and Serial Number English Japanese Chinese German French Simplified Chinese

DX34 PLUS, DX34 specifications

The AOpen DX34 and DX34 Plus are notable examples of early computer motherboards designed for the Intel Pentium processors. Launched in the mid-1990s, these motherboards catered to the growing demand for robust and versatile PC platforms, emphasizing compatibility, performance, and expandability.

One of the primary features of the AOpen DX34 is its support for Intel’s Socket 5, which was designed for the Pentium series of CPUs. This allowed users to harness the power of early Pentium processors with clock speeds initially ranging from 60MHz to 120MHz. The DX34 Plus model further enhanced this capability, supporting faster processors and offering better thermal management solutions.

The DX34 series is built upon the Intel 440FX chipset, widely praised for its stability and performance at the time. This chipset provided essential features such as integrated support for Level 2 cache, which significantly improved data processing speeds by storing frequently accessed information closer to the CPU. The inclusion of the PCI (Peripheral Component Interconnect) bus provided compatibility with a range of expansion cards, allowing users to configure their systems according to their needs.

Another noteworthy characteristic of the AOpen DX34 and DX34 Plus is their memory support. The motherboards accommodated up to 512MB of EDO (Extended Data Out) DRAM, utilizing three DIMM slots. This made the boards suitable for numerous applications, from gaming to business tasks, ensuring optimal performance as software demands increased.

In terms of connectivity, the AOpen DX34 series featured several expansion slots, including PCI, ISA, and a few ISA bus slots, allowing users to add sound cards, network cards, and more. These expansions offered flexibility and customization, making it easier to upgrade systems as technology evolved.

Overall, the AOpen DX34 and DX34 Plus represent a significant step in the evolution of computer technology during their era. With their focus on processor support, robust memory options, and versatile expansion capabilities, these motherboards laid the groundwork for more advanced computing solutions in the years that followed. They exemplify the innovation and engineering that helped shape the modern PC landscape, and their influence can still be felt in contemporary hardware designs.