I can attest to seeing firsthand Chris' working IBM Thinkpad adapter back in 2008. Photos, of course:
http://www.flickr.com/photos/curiouslee/tags/ibm/ Mike On Sun, Feb 20, 2011 at 11:32 PM, Chris Leonard <cjlhomeaddr...@gmail.com> wrote: > On Thu, Feb 17, 2011 at 3:44 PM, Beth Santos <b...@waveplace.org> wrote: >> >> Lately, however, we have been having problems with chargers and need to >> get some new ones that won't break so easily during power surges. That's one >> of the reasons why we're having a fundraiser to get better quality materials >> for our class and to see if we can't grow it even more. > > Beth, > > You are certainly familiar with the fact that the XO plug specs are somewhat > non-standard. > > http://wiki.laptop.org/go/Hardware_specification#External_connectors > In particular, the 1.65mm center pin was an odd size choice. > > I've had the opportunity to use try IBM / Lenovo ThinkPad chargers with some > success. This is in spite of the fact that the IBM chargers have a center > hole of 2.5mm. The external size (5.5mm) is the same on ThinkPads and XOs > (at least XO 1.0). > > IBM / LENOVO THINKPAD LAPTOP NOTEBOOK 72 WATT AC / DC COMBO ADAPTER > > The ones I have are P/N 73P4502, and the really cool thing about these is > that they can either plug into the wall or into a 12V DC source (e.g. car > cigarette lighter). The extra space in the center hole causes them to > wobble a little, but they work just fine and the power they supply is > compatible with the XO's specs. > > Input1: AC 100-240 VAC, 50-60 Hz (worldwide use) > Output: DC 16V 4.55A > Power: 72W > Outlet: 2-prong US > > Input2: DC 10.5-18 VDC, 8A > Output: DC 16V 4.55A > Outlet: 12V DC (car cigarette lighter type) > > Connecter size: > Internal Diameter: 2.5mm > External Diameter: 5.5mm > > Googling the part number (73P4502) and "ThinkPad" shows that these are still > available for purchase at a wide range of price points. > > http://lmgtfy.com/?q=thinkpad+p%2Fn+73p4502 > > For example: > > (6 new for: US$3.54 each) > http://www.amazon.com/gp/product/B0014SJISC/ref=pd_lpo_k2_dp_sr_1?pf_rd_p=486539851&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B001N1RCQA&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=0HWWCNBQERZ2XW59H72E > > (10+ units for: US$16.11 each) > http://www.hootoo.com/ibm-thinkpad-73p4485-laptop-ac-adapter-16v-45a-p-56754.html?gclid=CKnb28uqmKcCFYh_5Qod_wuBeQ > > I think that P/N 73P4485 may also be compatible, but I don't have one in > hand. That may be the version that doesn't have the DC input option. > > Of course, you can always order OEM XO green chargers, but you say you > haven't had much luck with those. > > (111 available for: US$20.00 each) > http://www.ilovemyxo.com/product/xo-power-adapter.html > > I happen to have a spare IBM charger in hand and if you haven't had the > chance to field test one, I could be persuaded to part with it in exchange > for some help getting Haitian localizers signed up and working in Pootle on > the Sugar (and eToys) translations. :-) > > cjl > > > _______________________________________________ > IAEP -- It's An Education Project (not a laptop project!) > IAEP@lists.sugarlabs.org > http://lists.sugarlabs.org/listinfo/iaep > _______________________________________________ IAEP -- It's An Education Project (not a laptop project!) IAEP@lists.sugarlabs.org http://lists.sugarlabs.org/listinfo/iaep