EPROM Death?

[Zane H. Healy]

How do you tell an over-erased EPROM?

I finally have my programmer and eraser, and just tried erasing 6 
EPROM's.  Four erased just fine, and two are showing weird patterns 
of alternating blocks of 04/06 and 14/16.

		Zane


-- 
| Zane H. Healy                    | UNIX Systems Administrator |
| healyzh at aracnet.com (primary)    | OpenVMS Enthusiast         |
| MONK::HEALYZH (DECnet)           | Classic Computer Collector |
+----------------------------------+----------------------------+
|     Empire of the Petal Throne and Traveller Role Playing,    |
|          PDP-10 Emulation and Zane's Computer Museum.         |
|                http://www.aracnet.com/~healyzh/               |