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What Is the NC Reference Profile? Definition and Requirements

The NC Reference Profile defined shared hardware and software capabilities for network computers, while leaving persistent local storage optional.

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The NC Reference Profile was a historical baseline specification for network computers: a set of open standards and guidelines intended to give devices from different manufacturers a common foundation. It described capabilities such as web access, email, networking and Java support—not one required computer design—and it did not require persistent local storage.

What the NC Reference Profile meant

The archived text defines it this way: “The NC Reference Profile consists of a set of open standards and guidelines that form the basis of an NC.” (Flinders University archive) In practical terms, it was an interoperability baseline: manufacturers could build different products while supporting a shared set of core capabilities.

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A contemporaneous newspaper account described the profile as a starting blueprint that manufacturers could build on, rather than a fixed design every network computer had to copy. (Newspaper account)

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What the initial profile required

The initial profile, referred to as NC Reference Profile 1, covered both user-facing hardware and software expected for network-oriented computing. The archived requirements included:

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  • A display resolution of at least 640 × 480 pixels, or equivalent.
  • A mouse or other pointing device, and a keyboard or other text-input method.
  • Sound capability.
  • Networking support, including TCP/IP, UDP and SNMP.
  • Web-browser support for HTTP and HTML.
  • Email support for SMTP, IMAP4 and POP3.
  • Common multimedia formats, including JPEG, GIF, WAV and AU.
  • A Java virtual machine, runtime environment and class libraries.

The resolution is a technical minimum stated in the archived profile; the retrieved record does not establish the archive’s publication year. (Flinders University archive)

Did a network computer need a hard drive?

No. Persistent local storage was explicitly not required by the initial profile. That distinction matters: the profile defined a set of shared capabilities, not a rule that every device must store files locally. It does not, by itself, establish how a particular NC product handled temporary data or what optional storage it offered. (Flinders University archive)

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When the profile appeared

A Group of 77 institutional report dates the release of the preliminary NC Reference Profile 1 specification to May 20, 1996. It describes the goal as common features across a broad range of network computers while leaving room for product variation. (Group of 77 report)

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How the mobile specification related to it

On June 23, 1997, Toshiba announced a Mobile Network Computer Reference Specification and described it as an extension of the NC Reference Profile. The mobile version addressed security, availability, performance, total cost of ownership and interoperability in the context of mobile devices. Toshiba also said the earlier blueprint had been adopted by The Open Group as an industry consensus standard; that is a claim in the 1997 announcement, not evidence of present-day standards maintenance. (Toshiba announcement)

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Specification Scope Emphasis Date
NC Reference Profile 1 General network-computer baseline Common hardware and software capabilities for interoperability Preliminary specification released May 20, 1996, according to the Group of 77 report
Mobile Network Computer Reference Specification Mobile network computers Extension addressing security, availability, performance, total cost of ownership and interoperability Announced June 23, 1997, according to Toshiba

The available account calls the mobile document an extension; it does not establish that it replaced the earlier profile in every use.

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Is it a current purchasing standard?

The sources establish the profile as historical context, not as a currently maintained buying specification or a present-day certification program. The retrieved records do not provide a currently maintained official copy of the original profile. Treat its requirements as a description of the network-computer era, rather than as a checklist for choosing a computer today.

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