About Diagnostic Card

About Diagnostic Card

Diagnostic Card is used to Finding the problem of Motherboard. It is read the code from BIOS during Computer Start. and Show Code in Hexadecimal Number System.It is also known as Debug/ POST/PC analyzer and Computer Tester Card.

Hexa Decimal Format

 LED Status

CLK -Motherboard Clock Signal. Should be ON when power is supplied to the motherboard even without CPU.

IRDY -Device Ready. Flashes when an IRDY signal is detected.

FRAME- PCI Bus Frame. Should be on under normal
circumstances and flashes when a PCI Frame Signal is detected. It is blinking if display ok.

RST- Reset. After power on or reset, this indicator should be on for a half second and then turned off. CPU Status Ok

+12V Power Supply: 12-Volt Positive. Should be on all the time otherwise there is a short circuit.

+5V Power Supply: 5-Volt Positive. Should be on all the time otherwise there is a short circuit.

3V3 Power Supply: 3.3-Volt. Some motherboards have 3.3V power supply.

Type of Diagnostic Card

1-2 Digits 
2-4 Digits
3-TFT/LCD Diagnostic card
4.Latest PCI and PCI E (Express) Diagnostic Card

Latest PCI and PCI E (Express) Diagnostic Card

Note: All Above Diagnostic Card Connect to PCI Slot on Motherboard, But latest Diagnostic Card comes and Connect PCI Express Slot.

Some Important Notes

1.Diagnostic Card also Comes according to Slot and  Parallel port and USB Port.

2.For best result you can use slot Diagnostic card.

3.Laptop and Desktop both are use different type diagnostic card, not same both are use..

Desktop Diagnostic Card

Latest PCI and PCI E (Express)  Slot Diagnostic Card

Laptop Diagnostic Card

Laptop and Desktop Diagnostic Card

Conclusion: 

Best for Desktop Motherboard Testing Diagnostic Card

Latest PCI and PCI E (Express)  Slot Diagnostic Card

Best for Laptop Motherboard Testing Diagnostic Card

Thanks and Best of Luck......