Subject:
|
Re: handy board troubles...
|
Newsgroups:
|
lugnet.robotics.handyboard
|
Date:
|
Wed, 22 Mar 2000 03:07:06 GMT
|
Viewed:
|
1069 times
|
| |
|
|
In lugnet.robotics.handyboard, Fred G. Martin writes:
> re: this problem with the memory contents not persisting, check the
> separate power supply to the RAM (U14). you might need to remove all
> socketed ICs from the board 'cause power can bleed to chips via input
> pins.
Yes, that was indeed the problem. Upon removing all the ICs, the power
to U14 disappeared. What could cause this, a blown fuse at F1?
|
|
Message has 1 Reply:
Message is in Reply To:
 | | Re: handy board troubles...
|
| re: this problem with the memory contents not persisting, check the separate power supply to the RAM (U14). you might need to remove all socketed ICs from the board 'cause power can bleed to chips via input pins. also check that U12 the DS1233 is (...) (25 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
|
12 Messages in This Thread:
 
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
