Epson Equity 386/20 Boletim de apoio ao produto - Página 9
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Subject:
16MB of RAM and the Equity 386/20 Computer
Date: 8/17/89
Page: 1 of 1
Purpose:
The purpose of this bulletin is to explain a potential problem when installing
16MB of RAM using 16 1MB SIMM modules.
versions 5.1 and 5.2 allow an expansion memory setting that causes the
following error to be displayed:
FC0000 6DDB 201 - Memory error
164 - Memory size error
Setup Information:
When entering information into the SETUP program, use the following
values:
640K
15104K Expansion
Memory Map:
Address
000000 - 09FFFF
0A0000 - 0FFFFF
100000- FBFFFF
FC0000 - FFFFFF
Explanation:
The 384K of address space between 640K and 1M is reserved for system
use (including the SHADOW RAM feature).
between 15.75M and 16M is also reserved for system use. The 640K and
15104K are combined into 15744K of total accessible RAM.
Product Support Bulletin
- Parity check 1
(Run SETUP in DIAGNOSTICS)
Main
Range
0 - 640K
640K - 1 M
1M - 15.75M
15.75M - 16M
PSB No: S-009
Originator:
The SETUP program
Size
Use
RAM - Main
640K
Reserved
384K
15104K
RAM - Expansion
256K
Reserved
The 256K address space