Q65360: Cannot Enable A20! with Orchid 386s

Article: Q65360
Product(s): See article
Version(s): 3.00
Operating System(s): MS-DOS
Keyword(s): ENDUSER | | mspl13_basic
Last Modified: 17-DEC-1990

Using HIMEM.SYS version 2.50 with Orchid 386/25 motherboards with the
caching controllers can cause the following error message:

   Cannot enable A20!

Orchid Technology has verified that this is a problem with the PAL
chip on these motherboards. Customers who are experiencing this
problem should call Orchid Technology at (415) 683-0300 for an update
of their PAL chip. Please have the revision of the motherboard on hand
when calling.

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