Samsung user manual About This Manual, Difference between AlphaPC 164UX and 164BX

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About This Manual

This manual describes the AlphaPC 164UX/BX motherboard, a module for computing systems based on the AlphaTM 21164 microprocessor and the companion 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.

1.1Difference 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.

1.2Manual 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 1916 and 19A are hexadecimal numbers.

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