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PC Computer Motherboard Analyzer Diagnostic Card, 4 Digit PCI and ISA PC Computer Motherboard Diagnostic Analyzer Post Tester Card, 4 Digit PCI & ISA PC Tester
FOSA

FOSA PC Computer Motherboard Analyzer Diagnostic Card

Bottom line: The FOSA PC Computer Motherboard Analyzer Diagnostic Card is a specs-and-price decision rather than a crowd-consensus one in the tools & maintenance category, priced around $9.50 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$9.50

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Buy on Amazon — $9.50 Also on eBay → Compare to similar tools & maintenance

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For PC and retro-hardware cleaning and maintenance tools, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Backed by FOSA's warranty and support channels

Cons

  • ✗ Check battery runtime and RPM/CFM specs match your case size and cleaning frequency
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer 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 failureBIOS: Mothermoard running , the light will fash while there is a reading operation 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 the ISA slot have main vibration , otherwise , failure of oscillation.FRAME: The light will flash when there is circular frame . Light will constant on in…

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SpecPicks Verdict

SpecPicks scored FOSA PC Computer Motherboard Analyzer Diagnostic Card using a rating × review-volume × price-fit model applied to published specs and reviews across the tools & maintenance category. FOSA's tools & maintenance lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Find Errors Quickly： The motherboard diagnostic card can find computer errors accurately , stably and quickly. The code value of the instart codein is a specific in0000in or inFFFFin which is clear at a .
  • Diagnostics by Turning on the Power Supply： Simply turn on the power supply without inserting the CPU and other blank cards to diagnose important states on the card. Suitable for ISA bus and PCI bus.
  • Display Error Code： The motherboard diagnostic card uses a four digit error code display and has a bell error report function which provides a good reminder function. You can quickly understand what is wrong with your computer motherboard.
  • Wide Compatibility： It can be fully compatible with a wide variety of high , medium and low end motherboards (low , medium , advanced and server CPU motherboards from , AMD and other manufacturers).
  • High Quality Materials： The diagnosis card is made of full chip components, does not hurt your hands, displays LCD characters, is very practical, and can meet your needs well.

Full Specifications

BrandFOSA
USB 2.04
CPU SocketLGA 1151
Unit Count1 Count
Chipset TypeIntel H61 Express
CompatibilityPC
Mfr Part Numberfosanp62bwet5y
Number of Ports4
Processor SocketLGA 1151
Total SATA Ports1
Compatible DevicesPersonal Computer
RAM Memory TechnologyDDR3
Graphics Card InterfacePCI
Memory Storage Capacity8 GB
Main Power Connector Type24-Pin
System Bus Standard SupportedSATA 2
Full listing titlePC Computer Motherboard Analyzer Diagnostic Card, 4 Digit PCI and ISA PC Computer Motherboard Diagnostic Analyzer Post Tester Card, 4 Digit PCI & ISA PC Tester

Ready to buy?

PC Computer Motherboard Analyzer Diagnostic Card, 4 Digit PCI and ISA PC Computer Motherboard Diagnostic Analyzer Post Tester Card, 4 Digit PCI & ISA PC Tester is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $9.50

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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PC Computer Motherboard Analyzer Diagnostic Card, 4 Digit PCI and ISA PC Computer Motherboard Diagnostic Analyzer Post Tester Card, 4 Digit PCI & ISA PC Tester
$9.50
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