---
product_id: 550284257
title: "Heayzoki 4 Digit PCI & ISA PC Tester, Motherboard Diagnostic Analyzer, Suitable for ISA & PCI Bus"
brand: "heayzoki"
price: "€ 25.08"
currency: EUR
in_stock: true
reviews_count: 2
category: "Heayzoki"
url: https://www.desertcart.gr/products/550284257-heayzoki-4-digit-pci-and-isa-pc-tester-motherboard-diagnostic
store_origin: GR
region: Greece
---

# Supports both PCI & ISA bus Real-time LED diagnostic indicators 4-digit fault code display Heayzoki 4 Digit PCI & ISA PC Tester, Motherboard Diagnostic Analyzer, Suitable for ISA & PCI Bus

**Brand:** heayzoki
**Price:** € 25.08
**Availability:** ✅ In Stock

## Summary

> 🔧 Diagnose like a pro—never miss a motherboard glitch again!

## Quick Answers

- **What is this?** Heayzoki 4 Digit PCI & ISA PC Tester, Motherboard Diagnostic Analyzer, Suitable for ISA & PCI Bus by heayzoki
- **How much does it cost?** € 25.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/550284257-heayzoki-4-digit-pci-and-isa-pc-tester-motherboard-diagnostic)

## Best For

- heayzoki enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Reliable:** Anti-insertion protection ensures no damage during testing—diagnose with confidence.
- • **Compact & Lightweight:** Ultra-small 0.39-inch card fits easily into any diagnostic toolkit.
- • **Instant Fault Detection:** Pinpoint motherboard issues fast with clear 4-digit error codes.
- • **Universal Compatibility:** Seamlessly works with all ISA and PCI bus motherboards, from entry-level to servers.
- • **Visual & Audible Alerts:** LED indicators combined with beep sounds for intuitive, real-time diagnostics.

## Overview

The Heayzoki 4 Digit PCI & ISA PC Tester is a compact diagnostic tool designed for fast, accurate motherboard troubleshooting. Featuring a 4-digit fault code display, LED indicators, and beep alerts, it supports both PCI and ISA buses across a wide range of motherboards. Its anti-insertion design prevents damage during testing, making it an essential device for IT professionals and hardware enthusiasts aiming for efficient, reliable diagnostics.

## Description

Indicator function of the diagnostic card: CLK: No matter ISA or PCI, as long as there is a empty board (no CPU etc.), the light should be on when power on, otherwise, the CLK is failure BIOS: Mothermoard running, the light will fash while there is a reading on the BIOS. IRDY: The light will flash when having a IRDR , otherwise, it will not lignt on. OSC: Empty board powered on, the light will be constant on, when there is slot have main vibration , otherwise, failure of oscillation. FRAME: The light will flash when there is circular frame . Light will constant on in RST: Reset RESET: power on or press the RESET switch, the light will be on for half second and then be off. Because, if light is not off, the reset pin on motherboard connected to the acceleration switch or the reset circuit broke down. 12V: Empty board powered on, the light should be constant on, otherwise the voltage or motherboard has a short circuit. -12V: Do 5V: Do -5V: Do (only for ISA slot). 3V3: This 3.3V voltage is unique for PCI slot. Empty board powered on, the light should be constant on. Some of PCI slot motherboard has not this voltage, the light should be off. Specifications: Usage: Maintenance tools for computer motherboard Specifications: All produced by patch components, do your hands, LCD characters display Color: Shown as the picture Package weight: 48g Package Include: 1 x Diagnostic Card 1 x English User Manual Note:The display will be sent randomly, and make sure you will not mind before ordering.

Review: 4 Digit PCI & ISA PC Tester,PC Computer Motherboard Diagnostic Analyzer - in good trim good price
Review: Users Guide is written in incomprehensible English - Haven't plugged it in, but the User's Guide is a mess. Looks like they used Google translate to go from Chinese to English. Hope the electronics is better than the instructions...

## Features

- 【Function】Use the four-digit fault code to display.With ming-sound to report faults function.Can accurately, stably and fast find computer failures.
- 【Advantages】The code value of "Start Code" is specific "0000" or "", which is at a
- 【Applicable Objects】Suitable for both ISA bus and PCI bus
- 【Warm Tips】Anti-insertion or misinsertion will not burn any parts.Not inserting the CPU and other empty board, just power on to diagnose important situation in the board
- 【Wide Compatibility】Can fully compatible with all kinds of high, medium and low-grade motherboard (, and other manufacturers' low, medium and high-level and server CPU motherboard)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B098TJ5SY9 |
| Best Sellers Rank | #851,162 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #135 in Circuit Tracers & Analyzers |
| Customer Reviews | 3.6 3.6 out of 5 stars (2) |
| Date First Available | July 7, 2021 |
| Item Weight | 1.58 ounces |
| Item model number | Heayzokiqkf3zd42em6351 |
| Manufacturer | Heayzoki |
| Product Dimensions | 0.39 x 0.39 x 0.39 inches |

## Product Details

- **Brand:** Heayzoki
- **Compatible Devices:** Personal Computer
- **Graphics Card Interface:** PCI
- **Main Power Connector Type:** 24-Pin
- **Memory Slots Available:** 2
- **Memory Storage Capacity:** 8 GB
- **Number of Ports:** 1
- **Platform:** Windows
- **System Bus Standard Supported:** SATA 3
- **Total PCI E- Ports:** 1

## Images

![Heayzoki 4 Digit PCI & ISA PC Tester, Motherboard Diagnostic Analyzer, Suitable for ISA & PCI Bus - Image 1](https://m.media-amazon.com/images/I/71-mBeW535L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 4 Digit PCI & ISA PC Tester,PC Computer Motherboard Diagnostic Analyzer
*by S***I on September 8, 2023*

in good trim good price

### ⭐⭐ Users Guide is written in incomprehensible English
*by H***K on April 9, 2023*

Haven't plugged it in, but the User's Guide is a mess. Looks like they used Google translate to go from Chinese to English. Hope the electronics is better than the instructions...

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-02*