JavaStation Client Software

Read this section for notes pertaining to the software that runs on the JavaStation network computers.

Unsupported Features

The following features are described in the JavaStation Client Software Guide (PN 805-5890-10) but are not supported in the client software:

• Java(TM) Coffee Cup boot progress indicator

• JavaOS video resolution properties

Updating the javaos Binary

After updating a new javaos binary to flash memory, the server automatically reboots the JavaStation, and the JavaStation may display the following error message:

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Can't open device.
Keyboard not present. Using ttya for input and output.

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This error message may be displayed when the JavaOS software is first installed or after reboot when the user updates the operating system. This error message is from the OpenBoot(TM) PROM (OBP) and has no impact on how theJavaOS software functions.

European Union Currency Symbol

The JavaOS operating system that is provided with the Netra j 3.0 software has the symbol for the European Union Currency (Euro) already built in. To generate the Euro symbol, press the "Alt Graph" (AG) key and while holding this key down, press a second key according to your keyboard language. The following table lists the keyboard languages and their respective key combinations to generate the Euro symbol.

Table 1-1 Key Combinations to Generate the Euro Symbol

Language	Key Combination	Language	Key Combination
Czech  Danish  Estonian  French  German  Greek  Hungarian  Italian  Latvian  Lithuanian  Netherlands	AG + e  AG + 5 or AG + e  AG + 5  AG + e  AG + e  AG + Epsilon or AG + 5  AG + u  AG + 5  AG + 4  AG + e  AG + e	Norwegian  Polish  Portuguese  Slovakian  Spanish  Swedish  Swiss-French  Swiss-German  Turkish  UK  USIntl	AG + 5 or AG + e  AG + u  AG + 5 or AG + e  AG + e  AG + 5 or AG + e  AG + 5 or AG + e  AG + e  AG + e  AG + e  AG + 4  AG + 5

Developer Documentation

Information on Application Programming Interfaces (APIs) for developers building applications to run on JavaOS are posted at:

http://www.sun.com/javastation

Known Problems

Be aware of the following problems with the client software:

• Problem: If several brick model JavaStations computers are booted at the same time, not all of those JavaStations may complete the boot process. (bug id 4095294)

  Workaround: Wait a minute, and then turn an unbooted JavaStation computer off and on again to reboot it.

• Problem: Extended or heavy usage of a JavaStation computer causes performance degradation or may hang the system. (bug id 4104684)

  Workaround: Wait a few minutes to verify that the JavaStation is actually in a hung state, then turn the JavaStation off and on again to reboot it.