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This manual describes the AlphaPC 164UX/BX motherboard, a module for
computing systems based on the Alpha
Digital Semiconductor 21174 core logic chip. It describes the motherboard's features
and how to set its configuration jumpers. This manual helps users to install and
populate the AlphaPC 164UX/BX motherboard with memory modules and
peripheral cards.
1.1 Difference between AlphaPC 164UX and 164BX
•
AlphaPC 164UX motherboard has the Ethernet LAN Controller and Ultra Wide
SCSI Controller which are not on AlphaPC 164BX motherboard.
•
The size of AlphaPC 164BX motherboard's L3 cache is 2MB.
•
The size of AlphaPC 164UX motherboard's L3 cache is 2MB or 4MB.
•
Except the above, AlphaPC 164UX motherboard and 164BX motherboard are
the same.
•
The following sections are about AlphaPC 164UX motherboard only.
1.2 Manual Conventions and Terminology
The following conventions are used in this manual.
Caution: Cautions indicate potential damage to equipment, software, or data.
Note: Notes provide additional information about a topic.
Numbering: All numbers are decimal or hexadecimal unless otherwise indicated. In
case of ambiguity, a subscript indicates the radix of nondecimal numbers. For
example, 19 is a decimal number, but 19
About This Manual
TM
21164 microprocessor and the companion
and 19A are hexadecimal numbers.
16
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1–1
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