Power diversity is a good thing, what was the other guy's objection to having both power supplies online? I hope you have the second power supply on a different circuit.
Max Dillon Charleston SC Dec 24, 2019 7:03:19 PM Curt Raymond via Mercedes <mercedes@okiebenz.com>: > I shared a machine room at work for a couple years, the other guy couldn't > hear the screech some of the servers make when only one power supply was > plugged in but it drove me up the wall.A couple years ago he moved to a > different position so its my show now and the first thing I did was work out > how to plug in the second power supply on each server... > -Curt > > On Tuesday, December 24, 2019, 3:18:53 PM EST, Peter Frederick via Mercedes > <mercedes@okiebenz.com> wrote: > > 22 kHz. No one can hear 222kHz! > > Hearing like that has made for an interesting life. I used to shut off the > mower and go in the house to answer the phone in graduate school, drove my > housemate nuts (she was partially deaf and the phone had an extra loud > ringer, but it was still a mechanical bell). Other than the fact it was > actually ringing she would have accused me of making things up. > > Ultrasonic alarms are not ultrasonic for me, they used to run around 20kHz. > Loud bastards. > > I hear all sorts of things at work no one else does, too -- I can tell when > one of my HPLC pumps isn't working right by the "screeech" it makes, when the > pressure is low or oscillating, the sound changes on the fill (fast) stroke. > I can also hear some sort of interference pattern in front of one of the > computers, get a a "ning ning ning" ringing sound similar to the pumps on the > HPLC, but they aren't running. > > Over driven transistor amps have been known to run me out of the room with my > hands over my ears -- clipping causes very loud transient harmonics in that > situation, and while it wasn't bothering anyone else, it was so freaking loud > it was painful to me. The guys on the dorm floor thought I hated rock and > roll, especially Yes. Not my favorite music for sure, but it's unbearable > with the ear-spitting high frequency noise. > > I also, sadly, notice almost every off note in a musical performance. I can't > produce music worth a hoot, no sense of pitch to speak of, but I can sure > hear a sour note. Takes a lot of the enjoyment out of it. > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
