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2026-05-16T20:06:45Z
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https://www.thinkwiki.org/w/index.php?title=PC2100&diff=38456
PC2100
2008-08-05T20:14:04Z
<p>Francky: new unofficial max-memory for R32</p>
<hr />
<div>__NOTOC__<br />
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|style="vertical-align:top" |<br />
<div style="margin: 0; margin-right:10px; border: 1px solid #dfdfdf; padding: 0em 1em 1em 1em; background-color:#F8F8FF; align:right;"><br />
=== PC2100 ===<br />
This is DDR (Double Data Rate) memory in 200-pin SO-DIMM form-factor.<br><br />
PC2100 memory is also called DDR266<br />
<br />
</div><br />
|style="vertical-align:top" |<br />
[[image:so-dimm.jpg|SO-DIMM]]<br />
|}<br />
<br />
=== Available memory types from IBM or Lenovo ===<br />
{| border=1 cellspacing=0 cellpadding=2<br />
|- style="background:#ffdead;white-space:nowrap;"<br />
! Partnumber !! FRU !! Description<br />
|-<br />
| 10K0028 || 10K0029 || 128MB PC2100 DDR-SDRAM CL2.5 SO-DIMM<br />
|-<br />
| 10K0030 || 10K0031 || 256MB PC2100 DDR-SDRAM CL2.5 SO-DIMM<br />
|-<br />
| 10K0032 || 10K0033 || 512MB PC2100 DDR-SDRAM CL2.5 SO-DIMM<br />
|-<br />
| 10K0034 || 10K0035 || 1GB PC2100 DDR-SDRAM CL2.5 SO-DIMM{{Footnote|1}}<br />
|}<br />
<br />
{{NOTE|As PC2100 memory is getting increasingly difficult to aquire, [[PC2700]] memory can be used instead. Using PC2700 memory will not increase system performance, as it will be run at only PC2100 speed.}}<br />
<br />
=== ThinkPads that support this technology ===<br />
{| border=1 cellspacing=0 cellpadding=2<br />
|- style="background:#ffdead;white-space:nowrap;"<br />
! ThinkPad Models !! Soldered<br>on systemboard !! DIMM<br>Slot 1 !! DIMM<br>Slot 2 !! Official<br>Max-Memory !! Unofficial<br>Max-Memory{{Footnote|2}}<br />
|-<br />
| {{A31}}, {{A31p}} || || Occupied || Empty || 1GB{{Footnote|3}} || 2GB{{Footnote|4}} {{Footnote|5}} {{Footnote|7}}<br />
|-<br />
| {{G40}} || || Occupied || Empty || 1GB{{Footnote|3}} || Unknown<br />
|-<br />
| {{R32}} || || Occupied || Empty || 1GB{{Footnote|3}} || 2GB{{Footnote|4}} {{Footnote|5}} {{Footnote|7}}<br />
|-<br />
| {{R40}} - Celeron or Pentium 4-M || || Occupied || Empty || 1GB{{Footnote|3}} || Unknown<br />
|-<br />
| {{R40}} - Pentium M || || Occupied || Empty || 2GB{{Footnote|4}} || Unknown<br />
|-<br />
| {{R40e}} || || Occupied || Empty || 1GB{{Footnote|3}} || Unknown<br />
|-<br />
| {{T30}} || || Occupied || Empty || 1GB{{Footnote|3}} || 2GB{{Footnote|4}} {{Footnote|5}} {{Footnote|7}}<br />
|-<br />
| {{T40}}, {{T40p}} || || Occupied || Empty || 2GB{{Footnote|4}} || 2GB{{Footnote|4}} {{Footnote|6}} {{Footnote|7}}<br />
|-<br />
| {{X31}} || || Occupied || Empty || 2GB{{Footnote|4}} || 2GB{{Footnote|4}} {{Footnote|6}} {{Footnote|7}}<br />
|}<br />
{{Footnotes|<br />
# Only supported with R40 (Pentium M models), T40, T40p and X31<br />
# See [[Unofficial_maximum_memory_specs]]<br />
# Based on 2x 512MB DIMMs, might require removal of original base memory<br />
# Based on 2x 1GB DIMMs, requires removal of original base memory<br />
# DDR SO-DIMM modules exist at a maximum of 1GB. You cannot physically install more than 1 GB per slot.<br />
# DDR SO-DIMM modules exist at a maximum of 1GB. You cannot physically install more RAM than the official specs state.<br />
# Chipset is limited to 2GB.}}<br />
[[Category:Components]]</div>
Francky