---
product_id: 266185516
title: "PC Diagnostic 4-Digit Card,Module Board Test & Measuring Module PC Computer Mother Board Debug Post Card Analyzer PCI Motherboard Tester Diagnostics Display for Desktop PC"
brand: "gintooyun"
price: "RM87"
currency: MYR
in_stock: true
reviews_count: 13
category: "Gintooyun"
url: https://www.desertcart.com.my/products/266185516-pc-diagnostic-4-digit-card-module-board-test-and-measuring
store_origin: MY
region: Malaysia
---

# PCI & ISA slot compatibility Recall previous error codes 4-digit dual POST code display PC Diagnostic 4-Digit Card,Module Board Test & Measuring Module PC Computer Mother Board Debug Post Card Analyzer PCI Motherboard Tester Diagnostics Display for Desktop PC

**Brand:** gintooyun
**Price:** RM87
**Availability:** ✅ In Stock

## Summary

> 🔧 Decode your motherboard’s secrets in seconds—never miss a glitch again!

## Quick Answers

- **What is this?** PC Diagnostic 4-Digit Card,Module Board Test & Measuring Module PC Computer Mother Board Debug Post Card Analyzer PCI Motherboard Tester Diagnostics Display for Desktop PC by gintooyun
- **How much does it cost?** RM87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/266185516-pc-diagnostic-4-digit-card-module-board-test-and-measuring)

## Best For

- gintooyun enthusiasts

## Why This Product

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

## Key Features

- • **Safe & User-Friendly:** Reverse insertion protection ensures no damage, even if plugged incorrectly.
- • **Instant Error Insight:** Dual 4-digit hexadecimal display shows current & previous POST codes for rapid diagnostics.
- • **Legacy & Modern Ready:** Supports a wide range of Windows systems and motherboard types—perfect for vintage and current PC repairs.
- • **Remote & Dual-Side Viewing:** Read POST codes from both PCB component and solder sides for ultimate convenience.
- • **Universal Slot Compatibility:** Seamlessly plugs into both PCI and ISA motherboard slots—no adapter needed.

## Overview

The PC Diagnostic 4-Digit Card is a versatile motherboard analyzer that plugs into PCI or ISA slots to display Power On Self Test (POST) codes via a dual 4-digit hexadecimal readout. It supports a broad range of Windows systems and motherboard types, enabling quick identification of hardware errors without needing a CPU installed. Designed with reverse insertion protection and dual-side code viewing, it’s an essential tool for both vintage and modern PC troubleshooting.

## Description

The motherboard diagnostic card is also called a POST card (Power On Self Test) or a PC analyzer. It is a code that displays the motherboard BIOS self-test procedure. Specifications: System: for Windows 98 SE/ ME/ NT/ 2000/ XP / VISTA Size: Approx. 89mm x 82mm(L*W) Support for desktop computers With motherboard operating indicator; The use of patch components does not hurt hands; This card can be inserted into ISA or PCI; Plug in the wrong slot or reverse insertion will not burn any parts; Able to display the crash of repeated automatic reset under a black screen; You can diagnose the failures in the board without plugging in the CPU and other empty boards. Suitable for all computers with PCI or ISA interface. Introduce of run LEDS Only by some units and a few mainboard slot message , it could runs normally , and it has a low error percentum , If the card is plugged into the bad slot , the code stop changing , or the other LEDS is not light , but the run LED is quite possible to run normally . You can solve the following problems by the result "of if the run LED has lighted , the mainboard has ever ran": 1 . The code of the card is bad 2 . The card is not fit for the mainboard which you using 3 . PCI slot or ISA slot is bad 4 . The card is plugged incorrectly or pins of card are dirty , or pins in slotrusted 5 . The mainboard stops working 6 . The mainboard is working on programs which is out of relation tocode Size:89mm x 82mm Weight:32g Package contains: 1. Diagnostic test card; 2. Instruction manual 3.DuPont Wire

Review: Works, A Great Value Must Have For Vintage Motherboard Repairs. - Item Arrived Fast and As Described, Works Excellent! Hope it Lasts. Must Have For Vintage Motherboard Repairs. I Can not wait to use it more.
Review: Works but cant use - This thing is reading the wrong codes on my board and the instructions are no help so i cant use this.

## Features

- PCI and ISA 4 digit PCI analyzer:standard PCI and ISA interface,easy access to desktop PC.Standard PCI and ISA interfaces for easy access to desktop PCS.4 digit display,the first 2 digits indicate the current error code,and the last 2 digits indicate the previous error code.
- PC Diagnostic 4-Digit Card fully compatible with any kind motherboards which has the PCI and ISA bus slot
- The POST code display is made up of a dual, dot matrix hexadecimal read-out that display's Power On Self Test (POST) status codes.
- Self checking remote display function. Dual POST code display - User can readout the POST at PCB component and solder side. It is easy to view the POST code when user plugs the POST card in computer system. Recall previous post codes at the touch of a button

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08QRCDR9D |
| Best Sellers Rank | #129 in Computer Motherboards |
| Customer Reviews | 3.5 3.5 out of 5 stars (57) |
| Date First Available | November 30, 2020 |
| Item Weight | 1.76 ounces |
| Item model number | zbc-105 |
| Manufacturer | FENGQLONG |
| Product Dimensions | 3.5 x 3.5 x 3.23 inches |

## Product Details

- **Brand:** GINTOOYUN
- **Compatible Devices:** Personal Computer
- **Hardware Interface:** PCI
- **Style:** Classic
- **UPC:** 723508510399 723508506866

## Images

![PC Diagnostic 4-Digit Card,Module Board Test & Measuring Module PC Computer Mother Board Debug Post Card Analyzer PCI Motherboard Tester Diagnostics Display for Desktop PC - Image 1](https://m.media-amazon.com/images/I/813Qvo8abeL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works, A Great Value Must Have For Vintage Motherboard Repairs.
*by S***E on July 30, 2025*

Item Arrived Fast and As Described, Works Excellent! Hope it Lasts. Must Have For Vintage Motherboard Repairs. I Can not wait to use it more.

### ⭐ Works but cant use
*by M***N on March 30, 2024*

This thing is reading the wrong codes on my board and the instructions are no help so i cant use this.

### ⭐⭐⭐⭐ Works, Not a lot of instructions
*by C***. on April 18, 2023*

The manual is a bit sketchy but after some on line research I got it working. Does what its suppose to do.

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-02-20*