--- title: Fixing The Fix For A 3dfx Voodoo Card’s Overly Bright... description: A follow-up hardware repair on a 3dfx Voodoo graphics card addresses an overly bright picture caused by a faulty internal Vref on the ICS5342 RAMDAC. The... canonical: https://daily.dev/posts/fixing-the-fix-for-a-3dfx-voodoo-card-s-overly-bright-picture-htqj4diki twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Fixing The Fix For A 3dfx Voodoo Card’s Overly Bright Picture | daily.dev og:description: A follow-up hardware repair on a 3dfx Voodoo graphics card addresses an overly bright picture caused by a faulty internal Vref on the ICS5342 RAMDAC. The... og:url: https://daily.dev/posts/fixing-the-fix-for-a-3dfx-voodoo-card-s-overly-bright-picture-htqj4diki og:image: https://api.daily.dev/og/posts/HTQj4diki.png og:image:alt: Fixing The Fix For A 3dfx Voodoo Card’s Overly Bright Picture og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Fixing The Fix For A 3dfx Voodoo Card’s Overly Bright Picture **[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 0 upvotes · 0 comments ## Summary A follow-up hardware repair on a 3dfx Voodoo graphics card addresses an overly bright picture caused by a faulty internal Vref on the ICS5342 RAMDAC. The original fix used a simple resistor, but criticism about component drift prompted an improved solution: an adjustable AMS1117-ADJ LDO voltage regulator supplying a stable 1.235V to the RAMDAC's external Vref pin. Since the Orchid-branded Voodoo card never had provisions for this component, the mod required careful planning of component placement and routing on the PCB. After implementation and testing, the brightness issue is resolved with a more robust, drift-resistant fix. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Why Some S3 Videocards Have A Brightness Issue](https://daily.dev/posts/why-some-s3-videocards-have-a-brightness-issue-3y7nhnkbz) · Hackaday · 0 upvotes · 0 comments - [Repairing A Pair Of Voodoo 2 GPUs For Some SLI Action](https://daily.dev/posts/repairing-a-pair-of-voodoo-2-gpus-for-some-sli-action-wrsnh36xc) · Hackaday · 1 upvotes · 0 comments - [Building a Quake PC: GLQuake](https://daily.dev/posts/building-a-quake-pc-glquake-berxmriao) · Fabien Sanglard · 0 upvotes · 0 comments - [Building an FPGA 3dfx Voodoo with Modern RTL Tools](https://daily.dev/posts/building-an-fpga-3dfx-voodoo-with-modern-rtl-tools-mzkupvd7r) · Hacker News · 0 upvotes · 0 comments - [Recreating Voodoo Graphics and a Late-1990s Gaming PC on an FPGA](https://daily.dev/posts/recreating-voodoo-graphics-and-a-late-1990s-gaming-pc-on-an-fpga-r8te6tuyp) · Two Stop Bits · 0 upvotes · 0 comments --- [View this post on daily.dev](https://daily.dev/posts/fixing-the-fix-for-a-3dfx-voodoo-card-s-overly-bright-picture-htqj4diki) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Fixing The Fix For A 3dfx Voodoo Card’s Overly Bright Picture","url":"https://daily.dev/posts/fixing-the-fix-for-a-3dfx-voodoo-card-s-overly-bright-picture-htqj4diki","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/fixing-the-fix-for-a-3dfx-voodoo-card-s-overly-bright-picture-htqj4diki"},"datePublished":"2026-07-11T05:04:49.631Z","dateModified":"2026-07-11T05:05:08.279Z","description":"A follow-up hardware repair on a 3dfx Voodoo graphics card addresses an overly bright picture caused by a faulty internal Vref on the ICS5342 RAMDAC. 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