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scarlet_guest
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 Posted: Fri Jan 19, 2007 3:37 pm Post subject: socket 3 security |
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Hello
Few days ago I've tried to test my ordinary AMD DX4 120 on socket 3 motherboard (GigaByte GA-548AL) I've made mistake (shame on me) and I put cpu to the socket in wrong way... Motherboard of course did not start. I thought that cpu or MoBo are dead... but when I realized that I did it in wrong way then I fixed my mistake. Fortunately everything started and now it works fine.
I have a question... is there some kind of security for this situation (on this generation of MoBo) or that was lucky day for me?
Thank You:) |
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samnmax
Joined: 10 Sep 2005
Posts: 19
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| Posted: Mon Jan 22, 2007 6:11 pm Post subject: |
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I did the same to an Intel 486DX-66: power up with the chip rotated 90º wrong in the socket. I heard a popping sound, and saw a tiny smoke under the chip. But after cursing myself and correcting the orientation, it worked well again. The chip only had some black burns on a single pin.
I guess by rotating the chip you connect the 5V line to ground, the power supply shortcircuits and shuts off.
By the way, the same chip has endured another one: I used a butane torch to melt the solder of the back cover. I don't know how hot the chip got (>300ºC?) Anyway, it still works perfectly, even with the die exposed. Luckily no solder ended in the wire bonds.
486 chips are almost indestructable  |
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D.8080
Joined: 03 Apr 2006
Posts: 1474
Location: Italy
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| Posted: Mon Jan 22, 2007 6:48 pm Post subject: |
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I just got a 486-dx2-66 with a broken pin.
I had it rotated 45° the wrong direction, a bop, no smoke but a pin remained in it's hole after removal, perfectly detached with a portion of ceramic on it!
Real fun stuff those 486... |
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Wizzard1
Joined: 05 Nov 2006
Posts: 930
Location: Boston MA USA
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| Posted: Mon Jan 22, 2007 11:34 pm Post subject: |
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| How exactly did you rotate it 45 degrees?? |
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jd
Joined: 01 Jan 2006
Posts: 1562
Location: Canada
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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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| Posted: Tue Jan 23, 2007 8:43 am Post subject: |
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| Wizzard1 wrote: | | How exactly did you rotate it 45 degrees?? |
I am really interested in how did he do that rotation?
_________________
My vintage CPU collection:www.cpumuseum.com
Chinese Forum: http://www.cpumuseum.com/forum |
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D.8080
Joined: 03 Apr 2006
Posts: 1474
Location: Italy
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| Posted: Tue Jan 23, 2007 9:13 am Post subject: |
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90°... I confused with 180°... and I didn't get that alone, my brother pointed that out to me!
I study law, not maths! 
I didn't get much sleep this night.
I had a broken cpu anyway... if I have time I'll post a pic. I did that all by myself I'm proud!! |
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