Disk Memory Retention Test

8-222

Edward A. Taft III, St. Mark's School, Southborough,

Massachusetts

The DF32 Disk can sometimes drop bits in data written on it

and left for a long period of time. There is currently no

MAINDEC available that will allow a test pattern to be

written and checked at a later time (after the computer has

been off For a while, for example, or when the computer has

been moved). The Disk Memory Retention Test is designed to

allow this test to be made.

Minimum Hardware:
PDP-8, 8/I and 8/L with a

DF-32 Disk

Storage Requirement:
0200 - 0777

Source Language:
PAL-D

Catalog: July 1973