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33 Cards in this Set
- Front
- Back
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1,2, or 3 (AMI BIOS audio beep) |
Memory error |
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1 beep (AMI BIOS audio beep) |
Usually means POST has been successfully completed and no hardware errors were detected. |
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4, 5, 6, or 7 (AMI BIOS audio beep) |
Motherboard component |
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8 beeps (AMI BIOS audio beep) |
Video issue |
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BIOS RAM checksum error-system halted (Written BIOS POST error message) |
The BIOS has a problem and needs to be replaced |
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CMOS battery failed/error |
Replace the motherboard battery |
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CMOS checksum error-- defaults loaded (Written BIOS POST error message) |
CMOS has detected a problem. Check the motherboard battery |
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Hard disk install failure (Written BIOS POST error message) |
The BIOS could not find or initialize the hard drive. Heck the hard drive connectivity and power |
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Memory test fail (Written BIOS POST error message) |
A RAM error occurred. Swap the memory modules |
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Keyboard is locked out--unlock the key (Written BIOS POST error message) |
Ensure that nothing rests on the keys during post |
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CMOS time error (Written BIOS POST error message) |
The system date/time has not been set. Check/replace the motherboard battery if this is not the first time this computer has been powered on |
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Floppy disks failed (Written BIOS POST error message) |
The system has been configured to have a floppy disks installed and tell rove has not responded. Check the drive and connectivity and power. If no drive is installed change the settings in BIOS setup |
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Intruder detection error
(Written BIOS POST error message) |
The computer chassis/case has been opened |
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Memory size decrease (Written BIOS POST error message) |
The amount of system RAM has decreased. Check to see if RAM has been stolen, needs reseating, or needs to be replaced |
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Memory optimal error
(Written BIOS POST error message) |
The amount of memory in channel A is not equal to channel B. For optimal memory performance they should be equal |
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Override enabled defaults loaded (Written BIOS POST error message) |
The current settings on CMOS could not be loaded, and the BIOS defaults are used. Check the battery and CMOS settings |
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Primary master hard disk fail (Written BIOS POST error message) |
The PATA hard drive attached to the primary IDE connector and configured as master could not be detected.if a new installation, check tell cabling, power, and master/slave/ cable select settings. |
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Primary slave hard disk fail (Written BIOS POST error message) |
The PATA hard drive attached to the primary IDE connector and configured as slave could not be detected. If a new installation |
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Phoenix audio beep codes |
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POST card |
A POST card is a PCI/PCIe adapter or USB-attached card that performs hardware diagnostics and displays the results as a series of codes on LED lights or LED displays. |
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Loopback plug |
Loopback plugs are commonly used with the older ports, such as parallel and serial ports. Today, RJ-45 loopback plugs are commonly used to test network port functionality |
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Warm boot |
Warm booting causes any changes that have been to take effect without putting as much strain on the computer as a cold boot does. Can be performed through task manager by holding down the CTRL key, the Alt key, and the Del key at the same time |
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Patch/ service release |
Patches or service releases are usually available on the Internet from the software manufacturer. Manufacturers offer these to fix software problems |
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Service pack |
Usually contains multiple patches and installs them at the same time rather than in multiple downloads |
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Parity (Memory features) |
A method for checking accuracy of data going into or out of memory chips |
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Non parity (Memory features) |
Chips that do not use any error checking. Most memory modules today are non parity because the memory controller circuitry provides error connection. |
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ECC (error correcting code) |
An alternative to parity checking that uses a mathematical algorithm to verify data accuracy. ECC can detect up to four bit memory errors and correct one bit memory errors. ECC is used in higher end computers and network servers |
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Unbuffered memory (Memory features) |
The opposite of registered memory. Used in low to medium powered computers unbuffered memory is faster than registered or fully buffered memory. |
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Registered memory (Memory features) |
Registered memory modules have extra chips(registers) near the bottom of the chip that, unlike unbuffered DDR or DDR2 modules, delay all data transfers by one clock tick to ensure accuracy. They are used in servers and high end computers and tend to be smaller than unbuffered memory modules. If you install a registered memory module into a system that allows both registered and unbuffered memory, all installed memory must be registered modules |
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Fully buffered memory (Memory features) |
A technology used in network servers and and apple computers. Requires a special memory controller. Fully buffered memory buffers the data pins from the channel and uses point to point serial signaling connections similar to PCIe. These chips are sometimes advertised as FBDIMMs. |
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Single sided/banked memory (Memory features) |
A memory module that has one "bank" of memory and 64 bits are transferred out of the memory module to the CPU. A better term for single sided memory is single-sided banked memory. The module may or may not have all of its "chips" on one side |
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Double sided memory (Memory features) |
A single Memory module developed in a special way that it actually contains two memory modules in one container (two banks). If the motherboard slot has been designed to accept this type of memory module, data is still sent to the CPU 64 bits at a time. This is a way for having more banks of memory on the motherboard without requiring more memory slots. These modules normally have memory chips on both sides, but all modules with chips on both sides are not double sided memory. |
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SPD (serial presence detect) (Memory features) |
Memory modules that have an extra EEPROM that holds information about the DIMM such as capacity, voltage, refresh rates, and so on. The BIOS can read and use this data to adjust motherboard timing for the best performance. |
