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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.social/users/Silversalty/statuses/109871985484289197">Silversalty (silversalty@mastodon.social)'s status on Thursday, 16-Feb-2023 11:14:17 JST</a><a href="https://mastodon.social/@Silversalty" title="silversalty@mastodon.social"><img src="https://gnusocial.jp/avatar/19611-48-20221108031815.webp" width="48" height="48" alt="Silversalty" style="position: absolute; left: 0; top: 0;">Silversalty</a><div><ul><li></ul></div></section><article><p><a href="https://hachyderm.io/@thomasfuchs">@thomasfuchs</a> <br>The original IBM PC tech reference manual included the BIOS code that allowed for a broad development of the PC. I think it was only Gates' Basic that was 'protected.' </p><p>GWBasic and Phoenix BIOS.<br><a href="https://retrocomputing.stackexchange.com/questions/12018/why-did-ibm-make-the-pc-bios-source-code-public" rel="nofollow noreferrer">https://retrocomputing.stackexchange.com/questions/12018/why-did-ibm-make-the-pc-bios-source-code-public</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/1203880#notice-2558979">In conversation</a><time datetime="2023-02-16T11:14:17+09:00" title="Thursday, 16-Feb-2023 11:14:17 JST">Thursday, 16-Feb-2023 11:14:17 JST</time> <span>from <span><a href="https://mastodon.social/@Silversalty/109871985484289197" rel="external" title="Sent from mastodon.social via ActivityPub">mastodon.social</a></span></span><a href="https://mastodon.social/@Silversalty/109871985484289197">permalink</a><h4>Attachments</h4><ol><li><article><header><div>Domain not in remote thumbnail source whitelist: cdn.sstatic.net</div><h5><a href="https://retrocomputing.stackexchange.com/questions/12018/why-did-ibm-make-the-pc-bios-source-code-public">Why did IBM make the PC BIOS source code public?</a></h5><div></div></header><div>IBM released the IBM 5150 Technical Reference manual in August, 1981, and included in it the fully commented source code listing for the BIOS. I find this odd for two reasons:
IBM must have realized</div><footer></footer></article></li></ol></footer></blockquote>

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Silversalty (silversalty@mastodon.social)'s status on Thursday, 16-Feb-2023 11:14:17 JSTSilversalty
- Thomas 🔭🕹️
@thomasfuchs
The original IBM PC tech reference manual included the BIOS code that allowed for a broad development of the PC. I think it was only Gates' Basic that was 'protected.'
GWBasic and Phoenix BIOS.
https://retrocomputing.stackexchange.com/questions/12018/why-did-ibm-make-the-pc-bios-source-code-public
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  Why did IBM make the PC BIOS source code public?
  IBM released the IBM 5150 Technical Reference manual in August, 1981, and included in it the fully commented source code listing for the BIOS. I find this odd for two reasons: IBM must have realized

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