Intel Desktop Board D925XCV/D925XBC Technical Product Specification

Note the following considerations for the PCI Conventional bus connectors (for both Desktop Boards):

All of the PCI Conventional bus connectors are bus master capable.

SMBus signals are routed to PCI Conventional bus connector 2. This enables PCI Conventional bus add-in boards with SMBus support to access sensor data on the Desktop Board. The specific SMBus signals are as follows:

The SMBus clock line is connected to pin A40.

The SMBus data line is connected to pin A41.

2.8.2.3Auxiliary Front Panel Power/Sleep LED Connector

Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector.

Table 32. Auxiliary Front Panel Power/Sleep LED Connector

Pin

Signal Name

In/Out

Description

 

 

 

 

1

HDR_BLNK_GRN

Out

Front panel green LED

 

 

 

 

2

Not connected

 

 

 

 

 

 

3

HDR_BLNK_YEL

Out

Front panel yellow LED

 

 

 

 

2.8.2.4Front Panel Connector

This section describes the functions of the front panel connector. Table 33 lists the signal names of the front panel connector. Figure 23 is a connection diagram for the front panel connector.

Table 33. Front Panel Connector

Pin

Signal

In/Out

 

Description

Pin

Signal

 

In/Out

 

Description

 

 

 

 

 

 

 

 

 

 

 

Hard Drive Activity LED

 

 

Power LED

 

 

 

[Yellow]

 

 

 

[Green]

 

 

 

 

 

 

 

 

1

HD_PWR

Out

 

Hard disk LED pull-up

2

HDR_BLNK_

Out

 

Front panel green

 

 

 

 

(750 ) to +5 V

 

GRN

 

 

 

LED

 

 

 

 

 

 

 

 

 

 

3

HAD#

Out

 

Hard disk active LED

4

HDR_BLNK_

Out

 

Front panel yellow

 

 

 

 

 

 

YEL

 

 

 

LED

 

 

 

 

 

 

 

 

 

 

Reset Switch

 

 

On/Off Switch

 

 

[Purple]

 

 

 

 

[Red]

 

 

 

 

 

 

 

 

 

 

 

5

Ground

 

 

Ground

6

FPBUT_IN

 

In

 

Power switch

 

 

 

 

 

 

 

 

 

 

 

7

FP_RESET#

In

 

Reset switch

8

Ground

 

 

 

Ground

 

 

 

 

 

 

 

 

 

 

 

 

Power

 

 

 

Not Connected

 

 

 

 

 

 

 

 

 

 

 

9

+5 V

 

 

Power

10

N/C

 

 

 

Not connected

 

 

 

 

 

 

 

 

 

 

 

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Intel D925XCV, D925XBC specifications Auxiliary Front Panel Power/Sleep LED Connector, Front Panel Connector

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.