Error Messages and Beep Codes

4.3 BIOS Error Messages

Table 44. BIOS Error Messages

Error Message

Gate A20 Error

Address Line Short!

Cache Memory Bad, Do Not Enable Cache!

CH-2 Timer Error

CMOS Battery State Low

CMOS Checksum Failure

CMOS System Options Not Set

CMOS Display Type

Mismatch

CMOS Memory Size

Mismatch

CMOS Time and Date Not Set

Diskette Boot Failure

Display Switch Not Proper

DMA Error

DMA #1 Error

DMA #2 Error

FDD Controller Failure

HDD Controller Failure

INTR #1 Error

INTR #2 Error

Invalid Boot Diskette

Keyboard Is Locked...Unlock It

KB/Interface Error

On Board Parity Error

Explanation

Gate A20 on the keyboard controller is not working.

Error in the address decoding circuitry on the motherboard.

Cache memory is defective. Replace it.

There is an error in timer 2.

CMOS RAM is powered by a battery. The battery power is low. Replace the battery.

After CMOS RAM values are saved, a checksum value is generated for error checking. The previous value is different from the current value. Run Setup.

The values stored in CMOS RAM are either corrupt or nonexistent. Run Setup.

The video type in CMOS RAM does not match the type detected by the BIOS. Run Setup.

The amount of memory on the motherboard is different than the amount in CMOS RAM. Run AMIBIOS Setup.

Run Setup to set the date and time in CMOS RAM.

The boot disk in floppy drive A: is corrupt. It cannot be used to boot the computer. Use another boot disk and follow the screen instructions.

The display jumper is not implemented on this product. This error should not occur.

Error in the DMA controller.

Error in the first DMA channel.

Error in the second DMA channel.

The BIOS cannot communicate with the floppy disk drive controller. Check all appropriate connections after the computer is powered down.

The BIOS cannot communicate with the hard disk drive controller. Check all appropriate connections after the computer is powered down.

Interrupt channel 1 failed POST.

Interrupt channel 2 failed POST.

The BIOS can read the disk in floppy drive A:, but cannot boot the computer. Use another boot disk.

The keyboard lock on the computer is engaged. The computer must be unlocked to continue.

There is an error in the keyboard connector.

Parity error detected in memory.

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Intel AP440FX specifications Bios Error Messages, Error Messages and Beep Codes

AP440FX specifications

The Intel AP440FX is a pivotal motherboard that was released in the late 1990s, designed to support the Intel Pentium II and Pentium III processors. Known for its robust performance and versatile functionalities, the AP440FX became a popular choice among computer enthusiasts and system builders during its time.

One of the defining features of the Intel AP440FX is its support for the Intel 440FX chipset. This chipset provided improved system performance through its use of a 66 MHz front-side bus, which allowed for faster data transfer between the CPU and the memory. The motherboard was equipped with two DIMM slots capable of supporting a maximum of 512 MB of SDRAM, providing users with the flexibility to choose the amount of memory they required for their applications.

Another notable characteristic of the AP440FX motherboard is its integrated support for various peripheral interfaces. It comes equipped with multiple ISA and PCI slots, allowing users to expand their system capabilities through the addition of various cards. The presence of two USB ports, which were relatively new at the time of its release, gave users access to a wider range of peripherals and external devices.

The Intel AP440FX also features an integrated IDE controller, enabling connection for hard drives and optical drives without the need for additional controller cards. This integrated solution simplified storage management for users and contributed to the overall efficiency of the system. The motherboard also supported SCSI through optional daughter cards, catering to users who required high-speed data transfer and reliable disk storage solutions.

Moreover, the AP440FX was designed with future upgrades in mind. Its BIOS supported plug-and-play installations, allowing users to easily configure new hardware components without extensive troubleshooting. Additionally, the ATX form factor of the motherboard contributed to its compatibility with a wide range of cases and power supplies.

In terms of power management, the Intel AP440FX incorporated advanced features such as ACPI (Advanced Configuration and Power Interface), which allowed for better power efficiency and management of power states. This feature was particularly beneficial for users looking to reduce energy consumption and improve the overall longevity of their systems.

All in all, the Intel AP440FX represented a significant advancement in motherboard technology during its era. Its combination of robust performance, upgradeability, and support for new technologies made it a popular choice for users looking to build powerful and efficient computing systems.