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 <H1>Thinkpad X200 Tablet</H1>
-<H3>updated 2022-01-24</H3>
+<H3>updated 2022-01-25</H3>
 <HR ALIGN="left" SIZE="1" WIDTH="25%" />
-<P>See also</P><UL>
+<P ID="seealso">See also</P><UL>
 	<LI><A HREF="https://wiki.archlinux.org/title/Lenovo_ThinkPad_X200">Lenovo Thinkpad X200</A> (Arch Wiki)</LI>
 	<LI><A HREF="https://sharktastica.co.uk/resources/docs/Lenovo_45N3683_X200T-X201T_10_4.pdf">Thinkpad X200 Tablet and X201 Tablet Hardware Maintenance Manual (fourth edition)</A> (<A HREF="https://web.archive.org/web/20200918095211/https://sharktastica.co.uk/resources/docs/hmm_X200t-X201t.pdf">Archive link</A>)</LI>
 	<LI><A HREF="https://linux-hardware.org/?view=computers&model=ThinkPad+X200+Tablet+(All)">Thinkpad X200 Tablet (All)</A> (Linux Hardware Database)</LI>
@@ -75,6 +75,49 @@ I got in touch with eBay seller <A HREF="https://ebay.com/seller?sid=woosterpsu"
 The seller sent me an image of the installed memory: a Hynix 4GB 2Rx8 PC3-10600S and a Dell P/N SNPX830DC/4G, both scavenged from other laptops.
 These are <I>confirmed working</I> in a Core2 Duo L9400 X200T.
 </P>
+<H2>Screws</H2>
+<P>
+Per the hardware maintenance manual (page 225), the following screws are necessary for full assembly of the X200 Tablet:
+</P>
+<TABLE>
+<TR><TH>Quantity</TH> <TH>Head</TH> <TH>Length</TH> <TH>Style</TH>                  <TH>Color</TH> </TR>
+<TR><TD>1</TD>        <TD>M1.6</TD> <TD>6mm</TD>    <TD>Wafer head</TD>             <TD>Silver</TD></TR>
+<TR><TD>1</TD>        <TD>M2</TD>   <TD>2.5mm</TD>  <TD>Wafer head</TD>             <TD>Black</TD> </TR>
+<TR><TD>11</TD>       <TD>M2</TD>   <TD>3mm</TD>    <TD>Flat head</TD>              <TD>Black</TD> </TR>
+<TR><TD>18</TD>       <TD>M2</TD>   <TD>3.5mm</TD>  <TD>Wafer head</TD>             <TD>Silver</TD></TR>
+<TR><TD>1</TD>        <TD>M2</TD>   <TD>3.5mm</TD>  <TD>Wafer head</TD>             <TD>Black</TD> </TR>
+<TR><TD>3</TD>        <TD>M2</TD>   <TD>6mm</TD>    <TD>Wafer head</TD>             <TD>Silver</TD></TR>
+<TR><TD>13</TD>       <TD>M2</TD>   <TD>6mm</TD>    <TD>Wafer head</TD>             <TD>Black</TD> </TR>
+<TR><TD>1</TD>        <TD>M2</TD>   <TD>3mm</TD>    <TD>Stud (height=4.2mm)</TD>    <TD>Black</TD> </TR>
+<TR><TD>1</TD>        <TD>M2</TD>   <TD>3mm</TD>    <TD>Stud (height=5.5mm)</TD>    <TD>Black</TD> </TR>
+<TR><TD>6</TD>        <TD>M2.5</TD> <TD>6mm</TD>    <TD>Wafer head</TD>             <TD>Black</TD> </TR>
+<TR><TD>9</TD>        <TD>M2.5</TD> <TD>8mm</TD>    <TD>Wafer head</TD>             <TD>Black</TD> </TR>
+<TR><TD>1</TD>        <TD>M3</TD>   <TD>3mm</TD>    <TD>Wafer head (HDD screw)</TD> <TD>Black</TD> </TR>
+</TABLE>
+<P>
+Additionally listed are 9 circular screw caps and 6 square screw caps.
+</P>
+<P>
+Two screw kits are listed with part numbers <CODE>45N3139</CODE> and <CODE>60Y4164</CODE>.
+The difference is that <CODE>45N3139</CODE> has one more M2x3.5mm silver wafer head screw listed (18 versus 17).
+<CODE>45N3139</CODE>'s contents in particular are reflected in the table above.
+</P>
+<H2>Operating systems</H2>
+<P>The following operating systems were available pre-installed by the OEM, depending on the variant:</P>
+<UL>
+	<LI>Microsoft Windows XP Tablet (32 bit)</LI>
+	<LI>Microsoft Windows Vista Home Premium (32 bit)</LI>
+	<LI>Microsoft Windows Vista Business (32 bit)</LI>
+	<LI>Microsoft Windows Vista Business (64 bit)</LI>
+	<LI>Microsoft Windows Vista Ultimate (32 bit</LI>
+	<LI>Microsoft Windows 7 Home Basic (32 bit)</LI>
+	<LI>Microsoft Windows 7 Home Premium (32 bit)</LI>
+	<LI>Microsoft Windows 7 Home Premium (64 bit)</LI>
+	<LI>Microsoft Windows 7 Professional (32 bit)</LI>
+	<LI>Microsoft Windows 7 Professional (64 bit)</LI>
+</UL>
+<P>9front system usage is described in the <A HREF="http://fqa.9front.org/fqa3.html#3.2.5.2.1">9front FQA, section 3.2.5.2.1</A>.</P>
+<P>Linux system usage is described in detail on the <A HREF="#seealso">Arch GNU+Linux wiki</A> - any Linux or UNIX specific knowledge I have I add to the Arch wiki rather than putting on this page.</P>
 <H2>Stylus</H2>
 <P>
 The X200 Tablet originally came with a single-button stylus with a gray "eraser".