 | | Re: Help needed reviving my HB —Hui Pak Ki Partick
| | | | Hello Edward and everyone, There are several causes that the Handyboard won't boot. 1) 62256 SRAM was dea 2) 74HC244 was dead 3) The Handyboard cannot put into bootstrap mode You can try to do the followings: Removes all the ICs on Handyboard except (...) (25 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
| | | | | | | | | | Re: Help needed reviving my HB —Hui Pak Ki Partick
| | | | | Hello, Sorry, I made a mistake. "74HC244 was dead" should be read as "74HC373 was dead" This is the one soldered on the board directly without socket. It is located underneath the SRAM. Removing all ICs except 74HC132, 62256 SRAM, and MC68HC11 CPU (...) (25 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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