---
product_id: 745020961
title: "LEAGY Motherboard Analyzer Tester Diagnostic Debug POST Card External Display for 4 Digit PCI and ISA PC Computers"
brand: "leagy"
price: "HK$1"
currency: HKD
in_stock: false
url: https://www.desertcart.hk/products/745020961-leagy-motherboard-analyzer-tester-diagnostic-debug-post-card-external-display
store_origin: HK
region: Hong Kong
---

# PCI & ISA compatibility 4-digit hex display Multi-function S1 button LEAGY Motherboard Analyzer Tester Diagnostic Debug POST Card External Display for 4 Digit PCI and ISA PC Computers

**Brand:** leagy
**Price:** HK$1
**Availability:** ❌ Out of Stock

## Summary

> 🔍 Decode your motherboard’s secrets before anyone else does!

## Quick Answers

- **What is this?** LEAGY Motherboard Analyzer Tester Diagnostic Debug POST Card External Display for 4 Digit PCI and ISA PC Computers by leagy
- **How much does it cost?** HK$1 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/745020961-leagy-motherboard-analyzer-tester-diagnostic-debug-post-card-external-display)

## Best For

- leagy enthusiasts

## Why This Product

- Trusted leagy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Lightweight:** At just 10g and 9x9x9 cm, this analyzer is portable yet powerful—perfect for on-the-go tech pros.
- • **Instant Error Insight:** Quickly decode POST error codes with a clear 4-digit hex display for real-time diagnostics.
- • **Universal Compatibility:** Seamlessly supports all mainstream motherboards with PCI and ISA interfaces, including AMI, Award, Phoenix & Tandy BIOS.
- • **Smart Multi-Function Control:** S1 push button enables advanced functions like error code search, bus speed test, and self-check with intuitive toggling.
- • **Comprehensive Diagnostic Support:** Includes error code table and jumper cables for speaker alerts, ensuring you never miss a critical system alert.

## Overview

The LEAGY Motherboard Analyzer Tester is a compact diagnostic tool featuring a 4-digit hex display that quickly reveals POST error codes. Compatible with PCI and ISA interfaces, it supports all major BIOS types and offers multi-function controls via an S1 button for error searching, bus speed testing, and self-checks. Designed for professional troubleshooting, it includes jumper cables for speaker alerts and a detailed error code table, making it an essential device for efficient motherboard diagnostics.

## Description

PCI ISA 4 Digit PC Analyzer Standard PCI & ISA interface for easy access to desktop PC 4-digit display. The last 2 digits of the current error code and the last 2 digits of the previous error code. The POST (self-diagnostic on power-on) card quickly displays error codes when started. The provided error code table makes it easy to know the details of the error. Support hexagonal letter display 80H, 84H and 300H ports, compatible with all mainstream motherboards. Support code search function. (During testing, press S1 button for 1 second to start search, press S1 second to start search till last time, press S1 1 second again to start search, search until last to find the previous error code.) Motherboard Bus Speed Test (Press the S1 button for 1 second during downsearch to activate bus speed test. Support self-checking (During bus speed testing, press S1 button for 1 second to start self-check function, then press S1 half to repeat and press S1 again for 1 second to return to analysis state. Support AMI, Award, Phoenix&Tandy 300 BIOS. S1 push button for multi-function operation. There are 8 LED indicators for the jumper cable for the speaker + 3.3V, +5V, +12V, -12V, RESET, FRAME, IRDY, and CLK. Dimensions: 83mm x 90mm Weight: 40g Package Includes: 1X Optimal Shop PCI ISA 4 Digit PC Analyzer 1 x Audio Cable for Speaker 1 x User Manual OUR PROMISE TO YOU: We are totally obsessed about quality and customer service - if you have any questions, please contact us, and we will do everything you can do to solve them.

## Features

- PCI ISA 4 Digit PC Analyzer Standard PCI & ISA interface for easy access to desktop PC 4-digit display The last 2 digits of the current error code and the last 2 digits of the previous error code
- The POST (self-diagnostic on power-on) card quickly displays error codes when started. The provided error code table makes it easy to know the details of the error. Hexagonal display
- S1 push button available for multi-function operation. Jumpers and cables available for speakers
- Supports 80H, 84H and 300H ports, compatible with all mainstream motherboards. Support code search function. (During testing, press S1 button for 1 second to start search, press S1 second to start search till last time, press S1 second again to start search, until last half search for the previous error code for the previous half of the time)
- Support motherboard bus speed test. (Press the S1 button for 1 second during down search to activate bus speed test function. ) Support self-check. (During bus speed testing, press S1 button for 1 second to start self-check function, then press S1 half to repeat and press S1 again for 1 second to return to analyzing state. Support AMI, Award, Phoenix&Tandy 300 BIOS

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LEAGY |
| Compatible Devices | パソコン。 |
| Color Name | ブラック///ホワイト |
| Batteries Included | No |
| Batteries Required | No |
| Product Dimensions | 9 x 9 x 9 cm; 10 g |

## Product Details

- **Color:** ブラック///ホワイト
- **Brand:** LEAGY
- **Voltage:** 5 Volts (DC)
- **Item Weight:** 0.01 Kilograms
- **UPC:** 763250840566

## Images

![LEAGY Motherboard Analyzer Tester Diagnostic Debug POST Card External Display for 4 Digit PCI and ISA PC Computers - Image 1](https://m.media-amazon.com/images/I/81FJsRb21hL.jpg)
![LEAGY Motherboard Analyzer Tester Diagnostic Debug POST Card External Display for 4 Digit PCI and ISA PC Computers - Image 2](https://m.media-amazon.com/images/I/81yp3VcmY-L.jpg)

## Frequently Bought Together

- LEAGY 4 Digit PCI and ISA PC Computer Motherboard Analyzer Tester Diagnostic Debug POST Card External Display
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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-23*