PCI Motherboard Fault Test Card 2-Bit
The PCI Motherboard Fault Test Card 2‑Digit is a plug‑and‑play diagnostic tool that installs into a standard 32‑bit PCI slot to display BIOS POST (Power‑On Self‑Test) codes on a dual‑digit hexadecimal LED display. Equipped with three status LEDs labeled –12 V, +12 V, and VCC, it provides immediate power‑rail verification. Upon detecting a POST failure, the card automatically locks and holds the error code on the display, enabling precise troubleshooting even when video output or beep codes are unavailable.
Features
- Dual‑digit hexadecimal LED display for clear POST code readout.
- Three rail‑status LEDs marked –12 V, +12 V, and VCC for quick power verification.
- Automatic code hold function preserves the failing code until next reset.
- Simple plug‑and‑play PCI edge connector requiring no additional drivers.
- Robust 75 mm x 50 mm PCB construction for reliable, repeatable use.
Specifications
| Parameter | Value |
|---|---|
| Interface | PCI slot (32‑bit) |
| Display | Dual‑digit hexadecimal LED |
| Indicator LEDs | –12 V, +12 V, VCC |
| Code Retention | Automatic hold on error |
| Compatibility | AMI, Award, Phoenix BIOS |
| PCB Dimensions | 75 mm x 50 mm |
| Mounting | PCI edge connector |
Applications
- Diagnosing POST failures on desktop motherboards.
- Troubleshooting system boot issues without display or speaker feedback.
- Validating hardware integrity during PC assembly and maintenance.
- Essential tool for computer repair shops and electronics hobbyists.
Package Contents
- 1x PCI Motherboard Fault Test Card 2‑Digit.
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