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	Comments on: Previous 1.6	</title>
	<atom:link href="https://virtuallyfun.com/2017/05/10/previous-1-6/feed/" rel="self" type="application/rss+xml" />
	<link>https://virtuallyfun.com/2017/05/10/previous-1-6/</link>
	<description>Fun with Virtualization</description>
	<lastBuildDate>Fri, 19 May 2017 02:30:49 +0000</lastBuildDate>
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		<title>
		By: jfenton		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-183147</link>

		<dc:creator><![CDATA[jfenton]]></dc:creator>
		<pubDate>Fri, 19 May 2017 02:30:49 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-183147</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-183144&quot;&gt;neozeed&lt;/a&gt;.

Oh, haha! That&#039;s what I get for being so hasty. Thank you and sorry about that!]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-183144">neozeed</a>.</p>
<p>Oh, haha! That&#8217;s what I get for being so hasty. Thank you and sorry about that!</p>
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		<title>
		By: neozeed		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-183144</link>

		<dc:creator><![CDATA[neozeed]]></dc:creator>
		<pubDate>Fri, 19 May 2017 02:06:01 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-183144</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-183143&quot;&gt;jfenton&lt;/a&gt;.

It&#039;s still there.  The 404 page, and 404 error code is fake, it&#039;s because some people like to report me for hosting stuff like Windows CE versions of NetHack which are &#039;invalid win32&#039; exes.... so re-read the 404 page, and you&#039;ll get the username &amp; password and a corrected link to download.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-183143">jfenton</a>.</p>
<p>It&#8217;s still there.  The 404 page, and 404 error code is fake, it&#8217;s because some people like to report me for hosting stuff like Windows CE versions of NetHack which are &#8216;invalid win32&#8217; exes&#8230;. so re-read the 404 page, and you&#8217;ll get the username &#038; password and a corrected link to download.</p>
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		<title>
		By: jfenton		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-183143</link>

		<dc:creator><![CDATA[jfenton]]></dc:creator>
		<pubDate>Fri, 19 May 2017 01:45:21 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-183143</guid>

					<description><![CDATA[Oh no, it looks like that link to your Previous 1.6 build is gone! I was a few days too late, I guess. Is there any chance of a reupload of your build?]]></description>
			<content:encoded><![CDATA[<p>Oh no, it looks like that link to your Previous 1.6 build is gone! I was a few days too late, I guess. Is there any chance of a reupload of your build?</p>
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		<title>
		By: neozeed		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182993</link>

		<dc:creator><![CDATA[neozeed]]></dc:creator>
		<pubDate>Sun, 14 May 2017 18:02:38 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-182993</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182990&quot;&gt;Noth&lt;/a&gt;.

Yes, and they figured this out the hard way.  If they knew this was going to be an issue, they would have never have put the fans in to suck air through the drives or had the air filters to start.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182990">Noth</a>.</p>
<p>Yes, and they figured this out the hard way.  If they knew this was going to be an issue, they would have never have put the fans in to suck air through the drives or had the air filters to start.</p>
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		<title>
		By: Noth		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182990</link>

		<dc:creator><![CDATA[Noth]]></dc:creator>
		<pubDate>Sun, 14 May 2017 17:12:49 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-182990</guid>

					<description><![CDATA[Dust being sucked into the MO drive was a known issue, the NeXT FAQ states the fix is to reverse the cube&#039;s fan so it blows the other way. Problem solved, unless your MO drive is already dead through asphyxiation.]]></description>
			<content:encoded><![CDATA[<p>Dust being sucked into the MO drive was a known issue, the NeXT FAQ states the fix is to reverse the cube&#8217;s fan so it blows the other way. Problem solved, unless your MO drive is already dead through asphyxiation.</p>
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		<title>
		By: neozeed		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182947</link>

		<dc:creator><![CDATA[neozeed]]></dc:creator>
		<pubDate>Sun, 14 May 2017 01:02:56 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-182947</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182944&quot;&gt;techfury90&lt;/a&gt;.

I&#039;ve seen them in pictures, but oddly enough, every time I&#039;ve been in Japan looking for old stuff, I&#039;ve never seen any. I guess Yahoo auctions is the place, just like midi equipment, I never see it on person but wow so many online]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182944">techfury90</a>.</p>
<p>I&#8217;ve seen them in pictures, but oddly enough, every time I&#8217;ve been in Japan looking for old stuff, I&#8217;ve never seen any. I guess Yahoo auctions is the place, just like midi equipment, I never see it on person but wow so many online</p>
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		<title>
		By: techfury90		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182944</link>

		<dc:creator><![CDATA[techfury90]]></dc:creator>
		<pubDate>Sat, 13 May 2017 21:35:25 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-182944</guid>

					<description><![CDATA[MO disks are actually weirdly common on NEC PC-98s. PC-98 DOS 5 and 6.20 even support 540 MB or smaller SCSI MO drives natively as part of IO.SYS. No driver needed.]]></description>
			<content:encoded><![CDATA[<p>MO disks are actually weirdly common on NEC PC-98s. PC-98 DOS 5 and 6.20 even support 540 MB or smaller SCSI MO drives natively as part of IO.SYS. No driver needed.</p>
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		<item>
		<title>
		By: neozeed		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182847</link>

		<dc:creator><![CDATA[neozeed]]></dc:creator>
		<pubDate>Wed, 10 May 2017 14:51:25 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-182847</guid>

					<description><![CDATA[In reply to &lt;a href=&quot;https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182846&quot;&gt;atar&lt;/a&gt;.

sadly no.  all I&#039;ve &lt;a href=&quot;http://unix.superglobalmegacorp.com/cgi-bin/cvsweb.cgi/Examples/DriverKit/?cvsroot=ns33example;only_with_tag=NeXTSTEP33&quot; rel=&quot;nofollow&quot;&gt;found is here&lt;/a&gt;.  In the Darwin dump there is source to the &lt;a href=&quot;http://unix.superglobalmegacorp.com/cgi-bin/cvsweb.cgi/drvEIDE/EIDE.drvproj/EIDE.lksproj/?cvsroot=Darwin0&quot; rel=&quot;nofollow&quot;&gt;EIDE driver&lt;/a&gt;, and lots of kernel printf&#039;ing has basically led to the conclusion that yes, it does lose IRQ&#039;s.  Even more frustrating is that it happens on real hardware as well.

Although the source to the driverkit is part of Darwin, the bus stuff is not.  I suspect that either &lt;a href=&quot;http://unix.superglobalmegacorp.com/cgi-bin/cvsweb.cgi/driverkit/?cvsroot=Darwin0&quot; rel=&quot;nofollow&quot;&gt;driverkit&lt;/a&gt; cannot handle IRQ&#039;s being triggered this fast, or there is a silent and fundamental bug in driverkit that they didn&#039;t figure out until dumping driverkit, and the C++ rewrite as IOKit...  

I picked up some Intel P4&#039;s last night, and tried to install Darwin but I get a new and strange trap on those.  I&#039;ll have to haul out the other P4 that was losing interrupts and see how it behaves with Darwin 0.3 and see if there is anything I can possibly do.

I started gutting a SCSI driver, to see if I can do a &#039;ram disk&#039;, then start poking the IDE disk in PIO mode.  At this point I don&#039;t care if it&#039;s slow, not hanging after 2-3 read/writes would be preferable.]]></description>
			<content:encoded><![CDATA[<p>In reply to <a href="https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182846">atar</a>.</p>
<p>sadly no.  all I&#8217;ve <a href="http://unix.superglobalmegacorp.com/cgi-bin/cvsweb.cgi/Examples/DriverKit/?cvsroot=ns33example;only_with_tag=NeXTSTEP33" rel="nofollow">found is here</a>.  In the Darwin dump there is source to the <a href="http://unix.superglobalmegacorp.com/cgi-bin/cvsweb.cgi/drvEIDE/EIDE.drvproj/EIDE.lksproj/?cvsroot=Darwin0" rel="nofollow">EIDE driver</a>, and lots of kernel printf&#8217;ing has basically led to the conclusion that yes, it does lose IRQ&#8217;s.  Even more frustrating is that it happens on real hardware as well.</p>
<p>Although the source to the driverkit is part of Darwin, the bus stuff is not.  I suspect that either <a href="http://unix.superglobalmegacorp.com/cgi-bin/cvsweb.cgi/driverkit/?cvsroot=Darwin0" rel="nofollow">driverkit</a> cannot handle IRQ&#8217;s being triggered this fast, or there is a silent and fundamental bug in driverkit that they didn&#8217;t figure out until dumping driverkit, and the C++ rewrite as IOKit&#8230;  </p>
<p>I picked up some Intel P4&#8217;s last night, and tried to install Darwin but I get a new and strange trap on those.  I&#8217;ll have to haul out the other P4 that was losing interrupts and see how it behaves with Darwin 0.3 and see if there is anything I can possibly do.</p>
<p>I started gutting a SCSI driver, to see if I can do a &#8216;ram disk&#8217;, then start poking the IDE disk in PIO mode.  At this point I don&#8217;t care if it&#8217;s slow, not hanging after 2-3 read/writes would be preferable.</p>
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		<title>
		By: atar		</title>
		<link>https://virtuallyfun.com/2017/05/10/previous-1-6/comment-page-1/#comment-182846</link>

		<dc:creator><![CDATA[atar]]></dc:creator>
		<pubDate>Wed, 10 May 2017 14:43:26 +0000</pubDate>
		<guid isPermaLink="false">https://virtuallyfun.com/?p=7115#comment-182846</guid>

					<description><![CDATA[Is there by any chance the source code for the ESP SCSI driver? I&#039;ve performed a few attempts trying to find out why NeXTStep-OpenStep/SPARC is so unstable under QEMU, but haven&#039;t tracked it down. After all it might be a race condition in the NeXTSTEP.]]></description>
			<content:encoded><![CDATA[<p>Is there by any chance the source code for the ESP SCSI driver? I&#8217;ve performed a few attempts trying to find out why NeXTStep-OpenStep/SPARC is so unstable under QEMU, but haven&#8217;t tracked it down. After all it might be a race condition in the NeXTSTEP.</p>
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