Product Description

INTEGRATOR’S NOTES

When using this connector, observe the following precautions:

Do not use a Y-adapter, power splitter, or SATA power adapter to attach storage devices (such as hard disk drives or CD/DVD drives) to this connector. This connector will not provide adequate power for storage devices.

Do not connect any devices to this connector that draw more than 1.5 A. The connector circuitry includes overcurrent protection components that limit the current draw to a maximum of 1.5 A.

For information about

Refer to

The location of the auxiliary power output connector

Figure 21, page 68

 

 

The signal names of the auxiliary power output connector

Table 28, page 73

 

 

NOTE

The auxiliary power output connector is present only on the D925XCV board. It is not present on the D925XBC board.

1.10 I/O Controller

The I/O controller provides the following features:

One serial port

One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support

Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems

PS/2-style mouse and keyboard interfaces

Interface for one 1.44 MB or 2.88 MB diskette drive

Intelligent power management, including a programmable wake-up event interface

PCI Conventional bus power management support

The BIOS Setup program provides configuration options for the I/O controller.

1.10.1Serial Port

The boards have one serial port connector located on the back panel. The serial port supports data transfers at speeds up to 115.2 kbits/sec with BIOS support.

For information about

Refer to

The location of the serial port A connector

Figure 20, page 66

 

 

1.10.2Parallel Port

The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS Setup program to set the parallel port mode.

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Intel D925XBC, D925XCV specifications 10 I/O Controller, Serial Port, Parallel Port

D925XBC, D925XCV specifications

The Intel D925XBC and D925XCV are motherboards designed for Intel's LGA 775 socket, targeted primarily at the desktop market during the mid-2000s. These motherboards support Intel's innovative 800 MHz Front Side Bus and provide a robust platform for various computing applications, including gaming and multitasking.

One of the standout features of the D925XBC and D925XCV is their compatibility with Intel's Pentium 4 and Pentium D dual-core processors. These processors deliver impressive performance, especially for users engaging in demanding tasks such as video editing and 3D rendering. The support for dual-channel DDR2 memory allows for increased bandwidth and improved overall system performance, accommodating up to 8 GB of memory in total.

The motherboards are equipped with the Intel 925X chipset, which integrates advanced technologies. This chipset supports Intel's Enhanced Memory 64 Technology (EM64T), allowing for more efficient processing power and better resource management. The presence of the I/O Controller Hub (ICH6) also enhances connectivity options, including SATA 3.0 Gbps interfaces for faster data transfer rates and improved storage capabilities.

Regarding expansion and connectivity, both motherboards feature multiple PCI Express slots along with PCI slots, allowing users to customize their systems according to their needs. This expandability is essential for gamers and professionals looking to add advanced graphics cards and other peripherals. Additionally, these boards come with integrated audio, ensuring satisfactory sound quality without the need for additional sound cards.

The D925XBC and D925XCV motherboards also include integrated Ethernet controllers, supporting fast network connectivity essential for gaming and high-speed internet access. With multiple USB ports available, users can connect a wide variety of devices easily, enhancing the flexibility of their setups.

In terms of form factor, both boards follow the ATX layout, providing compatibility with a broad range of computer cases. This ensures ease of installation and upgrades while promoting good airflow and optimal thermal management for the components installed.

Overall, the Intel D925XBC and D925XCV motherboards integrate essential features and technologies that provide a solid foundation for desktop computing during their time. With strong processing capabilities, expandability, and good connectivity options, these boards were well-received by users looking for reliable performance and versatility in their systems.