---
product_id: 344617411
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: "$88.33"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/344617411-pc-diagnostic-4-digit-card-module-board-test-and-measuring
store_origin: EC
region: Ecuador
---

# Universal PCI & ISA slot compatibility Recall previous error codes instantly 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:** $88.33
**Availability:** ✅ In Stock

## Summary

> 🔧 Decode your PC’s secrets in seconds—because every millisecond counts!

## 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?** $88.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/344617411-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

- • **Dual-Side Visibility:** Read POST codes from both PCB component and solder sides for ultimate convenience.
- • **Compact & Lightweight:** Slim 8.9cm module weighing just 50g fits easily into any desktop setup without bulk.
- • **Instant Error Insight:** Dual 4-digit hex display shows current & previous POST codes for rapid diagnostics.
- • **Effortless Error Recall:** One-touch button to review previous error codes—never miss a critical system fault.
- • **Universal Compatibility:** Seamlessly works with any motherboard featuring PCI or ISA slots—no compatibility guesswork.

## Overview

The PC Diagnostic 4-Digit Card by GINTOOYUN is a precision motherboard tester designed for professionals and tech-savvy users. Featuring a dual 4-digit hexadecimal POST code display, it provides real-time and historical error codes via PCI and ISA interfaces. Compatible with virtually all desktop motherboards, this compact 50g module offers dual-side visibility and one-touch error recall, making system debugging faster and more efficient than ever.

## 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

## 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 |
|---------------|-------|
| Brand | GINTOOYUN |
| Manufacturer | FENGQLONG |
| Model | zbc-105 |
| Product Dimensions | 8.9 x 8.9 x 8.2 cm; 50 g |
| Item model number | zbc-105 |
| Memory Storage Capacity | 8 GB |
| Operating System | Windows |
| Hardware Interface | PCI |
| Graphics Card Interface | PCI |
| Compatible Devices | Personal Computer |
| Batteries Included | No |
| Batteries Required | No |
| Does it contain liquid? | No |
| Manufacturer | FENGQLONG |
| Item Weight | 50 g |

## Product Details

- **Brand:** GINTOOYUN
- **Hardware Interface:** PCI
- **Product Dimensions:** 8.9L x 8.9W x 8.2H Centimeters
- **Style:** Modern
- **Compatible Devices:** Personal Computer

## 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)
![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 2](https://m.media-amazon.com/images/I/815LTFQ6fmL.jpg)
![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 3](https://m.media-amazon.com/images/I/810lyPq+CEL.jpg)
![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 4](https://m.media-amazon.com/images/I/91bclbOVWxL.jpg)
![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 5](https://m.media-amazon.com/images/I/61MBYoGP7XL.jpg)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-01*