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Mac IIfx Clock/Time not working


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#1 Johnnya101

Johnnya101
  • 68000
  • LocationLancaster, NH

Posted 19 May 2017 - 08:26 PM

Title.

 

Time does not advance, and stays still... 

 

Ive reset PRAM.

 

Im confident the batteries are in correctly.

 

Any ideas?


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Apple IIGS, Classic II, SE/30, Color Classic, Quadra 700, 2x Imagewriter II,  Macintosh Color Display, Power Mac 7100 and 7200, LC II, Macintosh Color Display,  and a box full of ADB keyboards... Soon to be owner of another Quadra 700 and PowerBook 165c


#2 BadGoldEagle

BadGoldEagle
  • 68000

Posted 19 May 2017 - 08:34 PM

Rotten traces? That can happen. Especially if you had leaky caps on that logic board...
Get a MMU and check continuity. I bet one trace has gone bad.

COOL STUFF: Working original & nearly complete 1984 Macintosh w/ Picasso kit, still looking for a G440 mouse :p, NIB Newton MessagePad from 1993, iMac G3 400MHz DV Graphite

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#3 ArmorAlley

ArmorAlley
  • 6502
  • LocationSwitzerland

Posted 19 May 2017 - 08:41 PM

Do the batteries have enough of a charge to function properly? I've forgotten exactly how much of a charge it needs to work (3.2V maybe?). Someone here should know the figure. If you have a multimeter, you can check the voltage.
Are other settings forgotten, like AppleTalk settings, mouse-speed settings and the like? Can you boot cold-boot the IIfx from the power button on the keyboard?

Macs in active-ish use: IIcx | IIfx | Performa 475 | B&W G4

Macs available for use: SE; SE/30; LCIII; Q950; PM7100; PM7300; PM8100; 2x once-working Wallstreets; once-working Pismo; spare B&W G3;


#4 Johnnya101

Johnnya101
  • 68000
  • LocationLancaster, NH

Posted 19 May 2017 - 09:01 PM

Brand new batteries.

 

Has not been recapped either, and its having the power off issues, so I think its safe to assume caps! Thats where the batteries are too, right by them :(

 

Luckily theres no visible leaking so it can't be too bad. Ill send it off and get it done soon once I get money.


resized.gif       BRENT RAMBO APPROVES

Apple IIGS, Classic II, SE/30, Color Classic, Quadra 700, 2x Imagewriter II,  Macintosh Color Display, Power Mac 7100 and 7200, LC II, Macintosh Color Display,  and a box full of ADB keyboards... Soon to be owner of another Quadra 700 and PowerBook 165c





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