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The Intel Pentium Overdrive CPU for 486 Systems
Back in 1995, Intel released a very special upgrade processor for owners of 486 systems. Despite having a very different architecture and external data bus, the Pentium Overdrive was able to drop right into an existing 486 system and provide next-gen performance. Was it a worth-while upgrade? Or was this heavily modified Pentium processor held back by the aging 486 platform?
In today’s video I’ll be restoring a badly neglected 83MHz Pentium Overdrive and will try to answer that very question.
If you'd like to support the channel, you can check out my Patreon page. My Patreon supporters get early access to my videos, exclusive behind the scenes content, previews and more.
My Patreon Page: https://www.patreon.com/vswitchzero
My Blog: https://vswitchzero.com/
Bluesky: https://bsky.app/profile/vswitchzero.com
Mastodon: https://bitbang.social/@vswitchzero
00:00 Introduction
00:35 A Bit of History
02:02 A Special Processor
03:49 A Closer Look at Processor
05:29 It’s Broken
08:23 Does it Work?
10:39 Slowest Pentium Ever?
11:31 Active Fan Monitoring
14:54 Included Software
16:23 A New Cooling Solution
22:46 Benchmarks
24:07 Can it Handle Quake?
25:05 Final Thoughts
26:56 Overdrive Installation Demo
As mentioned, the closing track is an original called “Prelude to Space” by Bertrand Guégan. You can find more of his work here:
https://soundcloud.com/bertrandguegan
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By Back in 1995, Intel released a very special upgrade processor for owners of 486 systems. Despite having a very different architecture and external data bus, the Pentium Overdrive was able to drop right into an existing 486 system and provide next-gen performance. Was it a worth-while upgrade? Or was this heavily modified Pentium processor held back by the aging 486 platform?
In today’s video I’ll be restoring a badly neglected 83MHz Pentium Overdrive and will try to answer that very question.
If you'd like to support the channel, you can check out my Patreon page. My Patreon supporters get early access to my videos, exclusive behind the scenes content, previews and more.
My Patreon Page: https://www.patreon.com/vswitchzero
My Blog: https://vswitchzero.com/
Bluesky: https://bsky.app/profile/vswitchzero.com
Mastodon: https://bitbang.social/@vswitchzero
00:00 Introduction
00:35 A Bit of History
02:02 A Special Processor
03:49 A Closer Look at Processor
05:29 It’s Broken
08:23 Does it Work?
10:39 Slowest Pentium Ever?
11:31 Active Fan Monitoring
14:54 Included Software
16:23 A New Cooling Solution
22:46 Benchmarks
24:07 Can it Handle Quake?
25:05 Final Thoughts
26:56 Overdrive Installation Demo
As mentioned, the closing track is an original called “Prelude to Space” by Bertrand Guégan. You can find more of his work here:
https://soundcloud.com/bertrandguegan