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g01df1sh
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Power tower on off Posted on 25-Sep-2017 16:25:30
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Super Member |
Joined: 16-Apr-2009 Posts: 1777
From: UK | | |
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| Hi
Just fitted atx power switch from amigakit to my power tower. Why do I have to press it three times to turn it off. ? Was using the buttons below which worked fine one press to turn on and one to turn off.
Any ideas
Thanks guys _________________ A1200 ACA1232 128MB Indivison MkIICr Elbox empty Power Tower RPi3 Emulating C64 ZX Atari PS BBC Wii with Amiga emulation Vampire v4 SA |
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Drewlio77
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Re: Power tower on off Posted on 26-Sep-2017 0:30:22
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Cult Member |
Joined: 2-Jan-2008 Posts: 781
From: Woodstock, Ontario, Canada | | |
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| @g01df1sh
Power Tower =?
Drewlio77 |
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Amiboy
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Re: Power tower on off Posted on 26-Sep-2017 6:08:20
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Joined: 21-Dec-2003 Posts: 1056
From: At home (probably) | | |
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| @Drewlio77
Its a type of tower system that was sold by Power Computing in the UK to rehouse A1200s and later A4000s.
I believe it was also sold under the name Winner Tower elsewhere.
It was originally supplied with an AT style PSU.
@g01df1sh,
Sorry, wish could help with your issue, but hiw did fitting the supply into the tower go? I think my PSU is the main culprit of my system no longer working & I cant find a decent appropriate AT psu, what ATX supply did you use & where did you get it from?
_________________ Live Long and keep Amigaing!
A1200, Power Tower, TF1260 128MB RAM, 68060 Rev 6, OS3.9 BB2, HD-Floppy, Mediator TX+ PCI, Voodoo 3 3000, Soundblaster 4.1, TV Card, Spider USB, 100MBit Ethernet, 16GB CF HD, 52xCDRom. |
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g01df1sh
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Re: Power tower on off Posted on 26-Sep-2017 8:15:24
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Super Member |
Joined: 16-Apr-2009 Posts: 1777
From: UK | | |
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| @Amiboy
Atx power supply was out of my PC and was working fine in that so have no reason to suspect the PSU. Like I said if I use the other buttons on the front of the tower it works fine. Its the switch I got from Amigakit that is the issue...
http://www.bigbookofamigahardware.com/bboah/product.aspx?id=1325
_________________ A1200 ACA1232 128MB Indivison MkIICr Elbox empty Power Tower RPi3 Emulating C64 ZX Atari PS BBC Wii with Amiga emulation Vampire v4 SA |
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KermitTheFrogman
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Re: Power tower on off Posted on 26-Sep-2017 9:05:38
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Joined: 6-Jun-2004 Posts: 99
From: Glos,UK | | |
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| @g01df1sh
AT power supplies had a switch that latched when you pushed it on, and unlatched when you pushed it off.
ATX supplies have an intermittent switch, ie when it is pushed on it connects, but when the button is released it disconnects.
So if you are using the former AT switch on the case, it needs to be pushed twice to start and again to stop.
I bought a small board from Elbox some time ago which fits between the switch and PSU to imitate an ATX motherboard. Works fine on my A4000T and also on a towered A1200 I have.
( Bought these quite a time ago, so may no longer be available !
Hope this helps, John. |
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g01df1sh
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Re: Power tower on off Posted on 26-Sep-2017 9:30:42
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Joined: 16-Apr-2009 Posts: 1777
From: UK | | |
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Daedalus
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Re: Power tower on off Posted on 26-Sep-2017 10:43:33
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Joined: 14-Jul-2003 Posts: 1680
From: Glasgow - UK, Irish born | | |
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| @KermitTheFrogman
Quote:
KermitTheFrogman wrote:
AT power supplies had a switch that latched when you pushed it on, and unlatched when you pushed it off. |
Correct. These switches controlled the incoming mains electricity directly.
Quote:
ATX supplies have an intermittent switch, ie when it is pushed on it connects, but when the button is released it disconnects. |
Yes, but that's not because of the ATX power supply. This is just a signal given to the motherboard, which then turns on and off the power supply. If you switch an ATX supply directly, you also need a latching switch, but not connected on the mains side.
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So if you are using the former AT switch on the case, it needs to be pushed twice to start and again to stop. |
Only if using it through a circuit intending to use a momentary switch. An ATX power supply is on when the power on line is connected to ground, and off when it is not. They don't deal with momentary switches directly, so if you don't have additional circuitry, you still need a latching switch.
Quote:
I bought a small board from Elbox some time ago which fits between the switch and PSU to imitate an ATX motherboard. Works fine on my A4000T and also on a towered A1200 I have. |
Exactly, that circuit converts the momentary action of the switch into the latching action the ATX supply needs.
@g01df1sh What are you using to convert the ATX connector to AT? The conversion used will determine the type of switch used. Some will require latching, some will require momentary. Usually that type of switch can be converted to the momentary type by removing a small pin near the "neck" of the switch._________________ RobTheNerd.com | InstallerGen | SMBMounter | Atoms-X |
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g01df1sh
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Re: Power tower on off Posted on 26-Sep-2017 12:10:12
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Super Member |
Joined: 16-Apr-2009 Posts: 1777
From: UK | | |
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| @Daedalus
The switch is connected to my mediator board. I'm just going to disconnect it and use the bottom button that I was using before I stupidly Brought the so ATX switch from Amigakit.
_________________ A1200 ACA1232 128MB Indivison MkIICr Elbox empty Power Tower RPi3 Emulating C64 ZX Atari PS BBC Wii with Amiga emulation Vampire v4 SA |
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Daedalus
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Re: Power tower on off Posted on 26-Sep-2017 12:36:55
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Super Member |
Joined: 14-Jul-2003 Posts: 1680
From: Glasgow - UK, Irish born | | |
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| @g01df1sh
Yeah, that switch is no good for Mediators, and probably intended for the old Power Tower ATX adaptors or similar. They should probably say that in the description, or alternatively give instructions on making the switch momentary. _________________ RobTheNerd.com | InstallerGen | SMBMounter | Atoms-X |
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g01df1sh
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Re: Power tower on off Posted on 26-Sep-2017 12:52:29
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Super Member |
Joined: 16-Apr-2009 Posts: 1777
From: UK | | |
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| @Daedalus
Hi thanks for confirmation I have just added a review of the switch on AmigaKit site not impressed. _________________ A1200 ACA1232 128MB Indivison MkIICr Elbox empty Power Tower RPi3 Emulating C64 ZX Atari PS BBC Wii with Amiga emulation Vampire v4 SA |
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g01df1sh
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Re: Power tower on off Posted on 26-Sep-2017 12:56:34
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Super Member |
Joined: 16-Apr-2009 Posts: 1777
From: UK | | |
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| @g01df1sh
This should solve the problem
http://www.ebay.co.uk/itm/191567585450 _________________ A1200 ACA1232 128MB Indivison MkIICr Elbox empty Power Tower RPi3 Emulating C64 ZX Atari PS BBC Wii with Amiga emulation Vampire v4 SA |
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PR
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Re: Power tower on off Posted on 27-Sep-2017 2:17:08
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Super Member |
Joined: 1-Sep-2004 Posts: 1961
From: Suomi-Finland | | |
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| Very good solution and cheap. Here pressing quite slowly in the power tower, intalled my self all 060, Piv etc.
Quite good tower. Powered By Amiga;)
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g01df1sh
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Re: Power tower on off Posted on 28-Sep-2017 19:51:24
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Super Member |
Joined: 16-Apr-2009 Posts: 1777
From: UK | | |
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| @g01df1sh
Can now confirm the switch from eBay works a treat _________________ A1200 ACA1232 128MB Indivison MkIICr Elbox empty Power Tower RPi3 Emulating C64 ZX Atari PS BBC Wii with Amiga emulation Vampire v4 SA |
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