bobsmith2012 Posted November 7, 2011 Share Posted November 7, 2011 (edited) I just got hold of a XF551 drive and know that I need 9V AC, but don't know the amps for the PSU. Anyone able to supply the information or point me somewhere to obtain it. I have tried a google search and have found indications that the PSU used is normally a 3.4 amp one but only able to find a 3 amp PSU locally. Thanks. Edited November 7, 2011 by bobsmith2012 Quote Link to comment Share on other sites More sharing options...
Roydea6 Posted November 7, 2011 Share Posted November 7, 2011 The XF551 disk drive is used with an external 9 volt AC transformer power supply rated for at least 50 watts, such as Atari#C017945, CA017964, or C060592 (each detailed elsewhere in this FAQ list), or equivalent. Copy Pasted from the FAQ's . Quote Link to comment Share on other sites More sharing options...
+bob1200xl Posted November 7, 2011 Share Posted November 7, 2011 The XF551 uses the same power supply as the 1050, 1200XL, and most other 9vac Atari gear. Some early Atari hardware came with a 15 watt supply, but all the newer stuff is 31 watts (3.4a). Only the 1027 had a larger (40w) 9vac supply. If you have a 3 amp supply, it will work OK - just make sure it's 9vac. Bob I just got hold of a XF551 drive and know that I need 9V AC, but don't know the amps for the PSU. Anyone able to supply the information or point me somewhere to obtain it. I have tried a google search and have found indications that the PSU used is normally a 3.4 amp one but only able to find a 3 amp PSU locally. Thanks. Quote Link to comment Share on other sites More sharing options...
KubaCZ Posted November 7, 2011 Share Posted November 7, 2011 It actually works fine with NES/SNES adaptor, which is ~1,3A. Not sure if it's enough to power next accessories connected to it, like XC-12, but that's powered through SIO? Quote Link to comment Share on other sites More sharing options...
Oge Posted November 9, 2011 Share Posted November 9, 2011 It actually works fine with NES/SNES adaptor, which is ~1,3A. Not sure if it's enough to power next accessories connected to it, like XC-12, but that's powered through SIO? Don't use a NES/SNES AC Adaptor: it will not last more than a bunch of hours, damaging both the XF551 and the connected Adapter! 1.3A is too little for a device that requires a power which is three times bigger. Quote Link to comment Share on other sites More sharing options...
KubaCZ Posted November 9, 2011 Share Posted November 9, 2011 It actually works fine with NES/SNES adaptor, which is ~1,3A. Not sure if it's enough to power next accessories connected to it, like XC-12, but that's powered through SIO? Don't use a NES/SNES AC Adaptor: it will not last more than a bunch of hours, damaging both the XF551 and the connected Adapter! 1.3A is too little for a device that requires a power which is three times bigger. Oh, ok, thanks. I thought that 3,4A is needed only when motor statrs to spin up. And I was also lazy to find better one when NES was lying around Quote Link to comment Share on other sites More sharing options...
w1k Posted October 31, 2012 Share Posted October 31, 2012 It actually works fine with NES/SNES adaptor, which is ~1,3A. Not sure if it's enough to power next accessories connected to it, like XC-12, but that's powered through SIO? NES/SNES adaptor seriously works with xf551? Quote Link to comment Share on other sites More sharing options...
w1k Posted November 24, 2012 Share Posted November 24, 2012 hello, i have new PSU, 9v/3a.. when i turn on XF551, led blink 1-2 seconds, diskette start reading and then OFF.. :/ what can be wrong? Quote Link to comment Share on other sites More sharing options...
Caterpiggle Posted November 24, 2012 Share Posted November 24, 2012 You has a bad internal ram chip on the board of XF551 ,sir. I had the same problem with my 1 of 1050 disk drive. It was blinking every 2 or 3 seconds , just like you mentioned above. You need to replace the good ram on the board. I had been switched my another 1050 with my upgrade Happy chip board and it is works great ! My friend told me about this case above. Quote Link to comment Share on other sites More sharing options...
w1k Posted November 24, 2012 Share Posted November 24, 2012 eh, not a blinking.. xf551 works maybe 1-2 seconds.. and then is off Quote Link to comment Share on other sites More sharing options...
Caterpiggle Posted November 24, 2012 Share Posted November 24, 2012 Since you live in Europe. So I know it is using 240 volts. Just be sure your own XF551 is 240 volts version ? Mine is 120 Volts in America. Is your PSU brand comes from original Atari Factory (240 volts) power adapter ? Can be using the same Atari 1050 power supply as you already know it. Quote Link to comment Share on other sites More sharing options...
w1k Posted November 24, 2012 Share Posted November 24, 2012 yes, 240v.. tommorow i must try something.. heh, but what Quote Link to comment Share on other sites More sharing options...
Caterpiggle Posted November 24, 2012 Share Posted November 24, 2012 I don't want to risk to using NES Power supply on Atari XF551 or 1050 unless I read again my "Best Electronics" Book from San Jose, CA. Quote Link to comment Share on other sites More sharing options...
w1k Posted November 24, 2012 Share Posted November 24, 2012 (edited) this is not NES power.. its homemade edit: LOOL.. EPIC FAIL i forgot connect xf551 to atari now works Edited November 24, 2012 by w1k 1 Quote Link to comment Share on other sites More sharing options...
RodCastler Posted December 15, 2012 Share Posted December 15, 2012 A 12v/5v power supply of those you can find on the market to power PC hard drives fits nicely inside the XF 551. My modded XF has a power cord that goes directly to the A/C outlet and forget about the A/C power brick. Quote Link to comment Share on other sites More sharing options...
+Larry Posted December 15, 2012 Share Posted December 15, 2012 Have a picture or link to what you are using? Everything that I've seen is too big to fit inside. -Larry A 12v/5v power supply of those you can find on the market to power PC hard drives fits nicely >>>inside the XF 551<<<. My modded XF has a power cord that goes directly to the A/C outlet and forget about the A/C power brick. Quote Link to comment Share on other sites More sharing options...
RodCastler Posted December 18, 2012 Share Posted December 18, 2012 (edited) Sure buddy, here you go: Full mod explained here: http://rodelectronic...supply-mod.html With the bonus track of the crazy simple LED mod for the XF-551 right at the bottom. Edited December 18, 2012 by RodCastler Quote Link to comment Share on other sites More sharing options...
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