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<p>Ron:</p>
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<p>Using <span>HP 490594-001 as the search terms for Google, it turned up a number of hits. I didn't check them all, but this one as an example looks promising, with data sheets and support manuals available for download. It appears that the <span>HP Common
Slot power supply technology 3rd edition manual might answer your question</span></span></p>
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<p><span><span><a href="http://www8.hp.com/us/en/products/oas/product-detail.html?oid=4071890" class="OWAAutoLink" id="LPlnk399395">http://www8.hp.com/us/en/products/oas/product-detail.html?oid=4071890</a></p>
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<a id="LPUrlAnchor_14709645605890.3442479819966773" href="http://www8.hp.com/us/en/products/oas/product-detail.html?oid=4071890" target="_blank" style="text-decoration: none;">HPE 1200W Common Slot Platinum Hot ... - HP® Official Site</a></div>
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Looking to reduce energy cost and space with increased performance? HP Common Slot Power Supplies share a common electrical and physical design that allows for hot ...</div>
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<p><span>Hope this helps!</span></p>
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<p><span>Ed</span></p>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> NSRCA-discussion <nsrca-discussion-bounces@lists.nsrca.org> on behalf of Ronald Van Putte via NSRCA-discussion <nsrca-discussion@lists.nsrca.org><br>
<b>Sent:</b> Thursday, August 11, 2016 12:40 PM<br>
<b>To:</b> General pattern discussion<br>
<b>Subject:</b> [NSRCA-discussion] HP Server Power Supplies</font>
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<div class="PlainText">I have been converting server power supplies for our use for several years. For the last year or so, I have been converting HP DPS-1200FB power supplies. This power supply provides up to 75 amperes at 12 volts and they are about the
size of a paperback book. <br>
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Recently, I ran across another HP server power supply. There is no model number on this power supply. Instead, on it is the following: Regulatory Model No: HSTNS-PL11, Generic Part No: 490594-001, Part No: 4382032-001 and Spare Part No: 498152-001. This
power supply is the same size/shape as the DPS-1200FB and is also rated for 75 amperes at 12 volts.
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I think it’s strange that HP produced two server power supplies with the same same size/shape and performance. Also curious is that the conversion process required to turn on the two power supplies is different. The only conclusion I can come up with is that
they were designed to be used with different servers, with different “turn on” circuitry.<br>
<br>
Does anyone have more information about these two server power supplies?<br>
<br>
Ron Van Putte<br>
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