8080A I/O Pin?

From: Bill Sudbrink <bill_at_chipware.com>
Date: Tue Jul 13 16:25:02 1999

What pin does the 8080A (raise/lower?) to indicate
that it is doing an I/O read/write instead of a memory
read/write? Also, does anyone have a copy of the IMSAI
MPU-A Rev-4 schematics that they could scan and send me?

Thanks,
Bill
Received on Tue Jul 13 1999 - 16:25:02 BST