Intel Desktop Board D925XCV/D925XBC Technical Product Specification

Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued)

Code

Description of POST Operation

 

 

84

Lock-key checking over. To check for memory size mismatch with CMOS.

 

 

85

Memory size check done. To display soft error and check for password or bypass setup.

 

 

86

Password checked. About to do programming before setup.

 

 

87

Programming before setup complete. To uncompress SETUP code and execute CMOS setup.

 

 

88

Returned from CMOS setup program and screen is cleared. About to do programming after setup.

 

 

89

Programming after setup complete. Going to display power-on screen message.

 

 

8B

First screen message displayed. <WAIT...> message displayed. PS/2 Mouse check and

 

extended BIOS data area allocation to be done.

 

 

8C

Setup options programming after CMOS setup about to start.

 

 

8D

Going for hard disk controller reset.

 

 

8F

Hard disk controller reset done. Floppy setup to be done next.

 

 

91

Floppy setup complete. Hard disk setup to be done next.

 

 

95

Init of different buses optional ROMs from C800 to start. (See Section 4.3 for details of different

 

buses.)

 

 

96

Going to do any init before C800 optional ROM control.

 

 

97

Any init before C800 optional ROM control is over. Optional ROM check and control will be

 

done next.

 

 

98

Optional ROM control is done. About to give control to do any required processing after optional

 

ROM returns control and enable external cache.

 

 

99

Any initialization required after optional ROM test over. Going to setup timer data area and printer

 

base address.

 

 

9A

Return after setting timer and printer base address. Going to set the RS-232 base address.

 

 

9B

Returned after RS-232 base address. Going to do any initialization before Coprocessor test.

 

 

9C

Required initialization before Coprocessor is over. Going to initialize the Coprocessor next.

 

 

9D

Coprocessor initialized. Going to do any initialization after Coprocessor test.

 

 

9E

Initialization after Coprocessor test is complete. Going to check extended keyboard, keyboard ID

 

and num-lock.

 

 

A2

Going to display any soft errors.

 

 

A3

Soft error display complete. Going to set keyboard typematic rate.

 

 

A4

Keyboard typematic rate set. To program memory wait states.

 

 

A5

Going to enable parity/NMI.

 

 

A7

NMI and parity enabled. Going to do any initialization required before giving control to optional

 

ROM at E000.

 

 

A8

Initialization before E000 ROM control over. E000 ROM to get control next.

 

 

A9

Returned from E000 ROM control. Going to do any initialization required after E000 optional ROM

 

control.

 

 

AA

Initialization after E000 optional ROM control is over. Going to display the system configuration.

 

 

AB

Put INT13 module runtime image to shadow.

 

 

AC

Generate MP for multiprocessor support (if present).

 

 

AD

Put CGA INT10 module (if present) in Shadow.

 

 

 

continued

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Intel D925XCV, D925XBC specifications Password checked. About to do programming before setup

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.