Star Micronics PCI/ISA System Board D6-IN - Manual (Page 19)

D6-IN System Board Manual
Chapter 3: Installing the D6-IN
17
System Memory
System memory devices, commonly known as SIMMs,
are necessary to operate the D6-IN system board. The
D6-IN has six 32/36-bit SIMM sockets for a maximum of
384 Megabytes of RAM. In addition, support is provided
for Extended Data Out (EDO) DRAM memory and Fast
Page Mode (FPM) DRAM memory. This section will
explain the type of SIMMs supported, list the rules for
adding memory to the D6-IN, give some examples of
common memory configurations and show how to physi-
cally install the new SIMMs.
SIMMs Supported
The D6-IN supports the following types of 60 or 70ns
SIMMs:
4MB (1MBx32/36)
8MB (2MBx32/36)
16MB (4MBx32/36)
32MB (8MBx32/36)
64MB (16MBx32/36)
Upgrading Rules
The following is a list of rules to follow when upgrading
SIMMs. If you follow these rules, your upgrade should be
trouble-free:
Use 70ns or faster SIMMs.
Upgrade SIMMs one bank at a time. Each bank must
contain two SIMMs of the same size and preferably
from the same manufacturer. For example, to add
16MB of memory to the system board, install two
8MB SIMMs into the same bank.
When installing SIMMs, fill Bank 0, then Bank 1,
then Bank 2.
For long
term
reliability,
Micronics
recom-
mends using
SIMMs with
tin-plated
contacts.
The use of
gold-plated
contacts
may conflict
with the tin-
alloy on the
SIMM
socket.