CX0089X Simply plug the diagnostic card into PCI or ISA slot and it will conduct a complete diagnostic test on the computer hardware Diagnoses the computer hardware problem easily Helps us to find the defective hardware in the computer failure quickly and accurately Allows you to troubleshooting your computer and deal with computer problems quickly Bus Interface: 32-bit standard PCI or 8-bit ISA interface Digital Display: 7bit digital display， displays fault code， two points show 5V and reset signal Indicator: -12V LED power supply indicator， +12 V LED power supply indicator， CLK LED signal indicator， OSC LED signal indicator， IRDY BIOS LED reading indicator， 3.3 V/-5V LED standby power supply indicator