APPENDIX A. BOARD CONFIGURATION
The ZT 8905 includes several options that tailor the operation of the board to requirements of specific
applications. Most of the options are selected through the BIOS SETUP mechanism. Some options
cannot be software controlled and are configured with jumpers or cuttable traces. Jumper options are
made by installing and removing shorting receptacles. Cuttable trace options are made by installing
and removing surface mount 0
Ω
resistors.
This appendix covers SETUP options, jumper options, and cuttable trace options. It also provides an
illustration showing the locations of jumpers and cuttable traces on the ZT 8905.
BIOS SETUP OVERVIEW
The ZT 8905 has many features that can be configured with the BIOS SETUP utility. The SETUP
utility is executed during the boot sequence when the "s" key is typed. In DOS systems, SETUP may
be executed by running the SETUP.COM program from the command line.
BIOS SETUP Screens
The BIOS SETUP utility for the ZT 8905 is organized as two screens, listed below. †
•
Screen 1: Generic option list. Options shared among all Ziatech CPUs are listed on this screen.
Base memory and extended memory size selection, boot source, hard disk type, and floppy disk
type are configurable through this screen.
•
Screen 2: ZT 8905-specific SETUP options. Options such as interrupt routing and STD 32
memory and I/O addressing are configurable through this screen. See the following topic,
"ZT 8905-Specific SETUP Options," for more information.
†
A third screen is used for STAR SYSTEM configuration options on
permanent master CPUs
. Refer to
the
STD 32 STAR SYSTEM User's Manual for more information.
The parameters in the SETUP screens are easily changed. Use the arrow keys to select a
parameter, then press + or - to step through the valid choices for that parameter. A dynamic help line
at the bottom of the screens helps you determine how to set each parameter. SETUP accepts only
valid parameter sets: if changing one parameter invalidates another parameter, SETUP automatically
updates the invalid parameter. After setting the parameters, press the F10 key to accept them. Press
the Page Down and Page Up keys to switch between SETUP screens.
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Содержание ZT 8905
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