Welcome, Guest. Please login or register.
Forums
« previous next »
Pages: [1]   Go Down

Author Topic: A590 troubles  (Read 1250 times)

Description:

0 Members and 1 Guest are viewing this topic.

Offline Chain

  • Hero Member
  • *****
  • Join Date: Jun 2005
  • Posts: 1324
    • Show all replies
    • http://chain.3dgrafika.cz/aktivity
Re: A590 troubles
« on: October 09, 2007, 08:33:58 PM »
http://machina.amigahellas.gr/stuff/A590man.zip

original psu is weak, and some hd drives are power hungry, check it
Logged
too lazy to use shift key properly...
 

Offline Chain

  • Hero Member
  • *****
  • Join Date: Jun 2005
  • Posts: 1324
    • Show all replies
    • http://chain.3dgrafika.cz/aktivity
Re: A590 troubles
« Reply #1 on: October 09, 2007, 08:36:06 PM »
Quote

alexh wrote:

It IS the same as a CD32 PSU and also pin compatible with


im not sure, but looking at schematics, grounding "power sense" isnt good idea, its actually one adress pin in A500
Logged
too lazy to use shift key properly...
 

Offline Chain

  • Hero Member
  • *****
  • Join Date: Jun 2005
  • Posts: 1324
    • Show all replies
    • http://chain.3dgrafika.cz/aktivity
Re: A590 troubles
« Reply #2 on: October 09, 2007, 08:38:10 PM »
some info for clarification:

there is a 5V relay inside A590 psu
When a500 is powered up, powersense is 5V (negative signal for logical 0) and relay inside psu switches power to A590. Easy, and it works.
Logged
too lazy to use shift key properly...
 
Pages: [1]   Go Up
« previous next »