LED 4Digit PC Computer Diagnostic Card Motherboard Mainboard POST Tester PCI ISA For Sale

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LED 4Digit PC Computer Diagnostic Card Motherboard Mainboard POST Tester PCI ISA:
$16.98
LED 4Digit PC Computer Diagnostic Card Motherboard Mainboard POST Tester PCI ISA Quickly diagnose CPU, RAM, GPU, BIOS, and power rail issues on legacy PCs. Fits PCI and ISA slots, shows POST hex codes on both sides of the board, includes built-in speaker for beep codes, and +5 V / +12 V / +3.3 V / −12 V rail indicators.
Key Features: Universal Slot Support: Works with motherboards that have PCI and/or ISA bus slots. Built-in Beeper: Hear audible beep codes to pinpoint faults even when no video output. Dual-Side POST Display: Two 7-segment hex displays—read codes from the component side or the solder side for easy viewing in cramped cases. Power Rail LEDs: Instant check of +5 V, +12 V, +3.3 V, −12 V status (LED on = OK). Remote Display Ribbon: “Self-check / remote display” function lets you route the readout where it’s visible. Code Recall Button: Review previous POST codes with a single press. Fast Fault Isolation: Helps diagnose CPU, memory, video card, and other POST-stage failures.
Specifications: Form Factor / Ports: PCI and ISA Display: Dual 7-segment hex POST readouts (dot-matrix style) Audio: On-board speaker for beep codes Power Indicators: +5 V / +12 V / +3.3 V / −12 V LEDs Board Size: ≈ 89 × 82 mmRibbon Cable Length: ≈ 330 mm
How to Use (Quick Guide): Power off the PC and discharge static. Insert the card into a PCI or ISA slot. Power on; note the hex POST code and any beeps. Use your motherboard/BIOS POST table to interpret the code (common lists are available for AMI/Award/Phoenix). Check rail LEDs—if any are off, inspect PSU, connectors, or board regulators. Use the recall button to review the last code during troubleshooting. Tip: For stubborn faults, try both PCI and ISA (if available) and remove non-essential peripherals.
Package Includes 1 × PC Analysis (POST) Card 1 × Ribbon Cable (remote display) 1 × User Manual
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