Next EPROM Question - Sizes
Zane H. Healy
healyzh at aracnet.com
Sun Sep 16 23:00:16 CDT 2007
At 11:00 PM -0500 9/16/07, Dave Dunfield wrote:
>Mirroring in both halfs is always safe, or do what I do
>and put a jumper on the extra address pin - lets you have
>two selectable ROMS (nor application and a debugger in
>my case usually).
This is actually my end target, though I'll be using switches rather
than jumpers to select the version I want. I'll have to get the
datasheets and pay close attention to the pinouts when building the
adapters for the ones that are supposed to use the 27128.
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/ |
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