https://www.thinkwiki.org/w/api.php?action=feedcontributions&feedformat=atom&user=Gavitron ThinkWiki - User contributions [en] 2026-05-09T08:45:07Z User contributions MediaWiki 1.31.12 https://www.thinkwiki.org/w/index.php?title=Unofficial_maximum_memory_specs&diff=35626 Unofficial maximum memory specs 2008-01-08T20:04:39Z <p>Gavitron: /* Tested Memory configurations */</p> <hr /> <div>Some ThinkPads are known to support more memory than their specs say. This page gathers information about those models, how much memory they can take and what special requirements that memory must fulfill.<br /> <br /> Have a look at the [[Memory]] page for the official memory configs and partnumbers<br /> <br /> ==Tested Memory configurations==<br /> The following table gives an overview of tested memory configurations that exceed the specified limits for that ThinkPad type.<br /> <br /> {| border=&quot;1&quot; cellspacing=&quot;0&quot; cellpadding=&quot;2&quot;<br /> ! ThinkPad !! max. Specs !! BIOS !! Embedded Controller !! Memory configuration successfully tested<br /> |- style=&quot;vertical-align:top;&quot;<br /> | ThinkPad {{A31p}}&lt;br /&gt;2653-R || 1 GB || 1.09 || 1.05 ||<br /> * Kingston 1GB 200-Pin DDR Model # KTM - TP9828/1G<br /> * Kingston 1GB 200-Pin DDR Model # KTM - TP9828/1G<br /> |-<br /> | ThinkPad {{T30}}&lt;br /&gt;2366-92U || 1 GB || 2.08 || 1.06 ||<br /> * Kingmax 1GB 200-Pin DDR SO-DIMM DDR333 (PC2700) Model # MSAD42D-KI<br /> * Kingmax 1GB 200-Pin DDR SO-DIMM DDR333 (PC2700) Model # MSAD42D-KI<br /> but see [[problem with T30 not booting with 1 GiB memory module]].<br /> * Tested with 2x1GB 200-pin DDR SO-DIMM PC2700 Generic Brand (p/n 89898E)<br /> BIOS recognizes 2048MB, but Gentoo sees only 1024MB<br /> |-<br /> | ThinkPad {{X31}} 2672-C2G || 1 GB || 3.02 || 1.08 ||<br /> * 2 GB with 2 x 1 GB (Kingston KVR400X64SC3A/1G DDR400MHz)<br /> * It boots with 1 bar.<br /> newer documentation also states 2 GB, even original one did not<br /> |-<br /> | ThinkPad {{X31}} 2673-C2G || 1 GB || 3.02 || 1.08 ||<br /> * 2 GB with 2 x 1 GB (Team Group INC. TSDR1024M400 DDR400MHz)<br /> * It boots with 1 bar (1xTSDR1024M400) too.<br /> |-<br /> | ThinkPad {{X41}} 2528-5FU || 1.5 GB || 2.09 || 1.02 ||<br /> * 2 GB with 1 x 2 GB (Transcend TS2GIB3847 DDR2 667 MHz)<br /> BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB.{{footnote|1}}<br /> |-<br /> | {{X41_Tablet}} 1866-6HU || 1.5 GB || 2.03 || 1.02 ||<br /> * 2 GB with 1 x 2 GB (Transcend JM667QSU-2G DDR2 667 MHz)<br /> BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB.<br /> |-<br /> | ThinkPad {{240}}&lt;br /&gt;2609-40U || 320MByte || IRETWWW76 || n/a ||<br /> * Any PC100/256MByte memory in 16 Chip Configuration will do<br /> |-<br /> | ThinkPad {{570}}&lt;br /&gt;2644-3AU || 320MByte || 1.16 IMET65WW 11/11/99 || n/a ||<br /> * Kingston KTM-TP390X/256 256MB MODULE FRU 16P6327 - 16 Chips 8 each side<br /> |-<br /> | ThinkPad {{600}}&lt;br /&gt; ? || 288 mb || ? || ? ||<br /> * 416 mb = 256 mb '''low density''' PC-100 SODIMM + 128 mb PC-66 SODIMM + 32 mb PC-66 onboard (Note: that which SODIMM you put in which slot matters. This was first reported working on the [http://zurich.csail.mit.edu/hypermail/thinkpad/2004-04/0797.html Thinkpad Mailing List], and it worked error-free for me when I tested it.<br /> |-<br /> | ThinkPad {{770}}x&lt;br /&gt;9549|| 448MByte || 1.11 IIET42WW 09/10/99 || n/a ||<br /> * 448MB = 256MB PC-100 + 128MB PC-66 + internal 64MB using IBM 256MB MODULE FRU 33L3070 PC 100 CL2 - 16 Chips 8 each side.<br /> * 512MB = 2x256MB PC-100 + 64MB internal booted up as well. 512MB is due to 440LX-Chipset limitations, 64MB are overlapping or unused.<br /> |-<br /> |}<br /> {{footnotes|<br /> #There are unconfirmed reports about XP on X41 actually using 2.5 GB. Could be older BIOS or DDR2 533 MHz.<br /> }}<br /> <br /> ==External Sources==<br /> *[http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-55644 IBM's official Memory compatibility page]</div> Gavitron https://www.thinkwiki.org/w/index.php?title=Unofficial_maximum_memory_specs&diff=35625 Unofficial maximum memory specs 2008-01-08T20:04:14Z <p>Gavitron: /* Tested Memory configurations */</p> <hr /> <div>Some ThinkPads are known to support more memory than their specs say. This page gathers information about those models, how much memory they can take and what special requirements that memory must fulfill.<br /> <br /> Have a look at the [[Memory]] page for the official memory configs and partnumbers<br /> <br /> ==Tested Memory configurations==<br /> The following table gives an overview of tested memory configurations that exceed the specified limits for that ThinkPad type.<br /> <br /> {| border=&quot;1&quot; cellspacing=&quot;0&quot; cellpadding=&quot;2&quot;<br /> ! ThinkPad !! max. Specs !! BIOS !! Embedded Controller !! Memory configuration successfully tested<br /> |- style=&quot;vertical-align:top;&quot;<br /> | ThinkPad {{A31p}}&lt;br /&gt;2653-R || 1 GB || 1.09 || 1.05 ||<br /> * Kingston 1GB 200-Pin DDR Model # KTM - TP9828/1G<br /> * Kingston 1GB 200-Pin DDR Model # KTM - TP9828/1G<br /> |-<br /> | ThinkPad {{T30}}&lt;br /&gt;2366-92U || 1 GB || 2.08 || 1.06 ||<br /> * Kingmax 1GB 200-Pin DDR SO-DIMM DDR333 (PC2700) Model # MSAD42D-KI<br /> * Kingmax 1GB 200-Pin DDR SO-DIMM DDR333 (PC2700) Model # MSAD42D-KI<br /> but see [[problem with T30 not booting with 1 GiB memory module]].<br /> Tested with 2x1GB 200-pin DDR SO-DIMM PC2700 Generic Brand (p/n 89898E)<br /> BIOS recognizes 2048MB, but Gentoo sees only 1024MB<br /> |-<br /> | ThinkPad {{X31}} 2672-C2G || 1 GB || 3.02 || 1.08 ||<br /> * 2 GB with 2 x 1 GB (Kingston KVR400X64SC3A/1G DDR400MHz)<br /> * It boots with 1 bar.<br /> newer documentation also states 2 GB, even original one did not<br /> |-<br /> | ThinkPad {{X31}} 2673-C2G || 1 GB || 3.02 || 1.08 ||<br /> * 2 GB with 2 x 1 GB (Team Group INC. TSDR1024M400 DDR400MHz)<br /> * It boots with 1 bar (1xTSDR1024M400) too.<br /> |-<br /> | ThinkPad {{X41}} 2528-5FU || 1.5 GB || 2.09 || 1.02 ||<br /> * 2 GB with 1 x 2 GB (Transcend TS2GIB3847 DDR2 667 MHz)<br /> BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB.{{footnote|1}}<br /> |-<br /> | {{X41_Tablet}} 1866-6HU || 1.5 GB || 2.03 || 1.02 ||<br /> * 2 GB with 1 x 2 GB (Transcend JM667QSU-2G DDR2 667 MHz)<br /> BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB.<br /> |-<br /> | ThinkPad {{240}}&lt;br /&gt;2609-40U || 320MByte || IRETWWW76 || n/a ||<br /> * Any PC100/256MByte memory in 16 Chip Configuration will do<br /> |-<br /> | ThinkPad {{570}}&lt;br /&gt;2644-3AU || 320MByte || 1.16 IMET65WW 11/11/99 || n/a ||<br /> * Kingston KTM-TP390X/256 256MB MODULE FRU 16P6327 - 16 Chips 8 each side<br /> |-<br /> | ThinkPad {{600}}&lt;br /&gt; ? || 288 mb || ? || ? ||<br /> * 416 mb = 256 mb '''low density''' PC-100 SODIMM + 128 mb PC-66 SODIMM + 32 mb PC-66 onboard (Note: that which SODIMM you put in which slot matters. This was first reported working on the [http://zurich.csail.mit.edu/hypermail/thinkpad/2004-04/0797.html Thinkpad Mailing List], and it worked error-free for me when I tested it.<br /> |-<br /> | ThinkPad {{770}}x&lt;br /&gt;9549|| 448MByte || 1.11 IIET42WW 09/10/99 || n/a ||<br /> * 448MB = 256MB PC-100 + 128MB PC-66 + internal 64MB using IBM 256MB MODULE FRU 33L3070 PC 100 CL2 - 16 Chips 8 each side.<br /> * 512MB = 2x256MB PC-100 + 64MB internal booted up as well. 512MB is due to 440LX-Chipset limitations, 64MB are overlapping or unused.<br /> |-<br /> |}<br /> {{footnotes|<br /> #There are unconfirmed reports about XP on X41 actually using 2.5 GB. Could be older BIOS or DDR2 533 MHz.<br /> }}<br /> <br /> ==External Sources==<br /> *[http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-55644 IBM's official Memory compatibility page]</div> Gavitron