2. Getting Started
28
I/O Configuration
The ZT 5504 addresses up to 64 KB of I/O using a 16-bit I/O address. The ZT 5504 is
populated with many commonly used I/O peripheral devices. The I/O address location for each
peripheral is shown in the "
I/O Address Map
" illustration.
Connectors
The ZT 5504 includes several connectors to interface to application-specific devices. Refer to
the "
Connectors
" topic in Appendix A for complete connector descriptions and pinouts.
Switches and Cuttable Traces
The ZT 5504 provides several switch and cuttable trace configuration options for features that
cannot be provided through the BIOS Setup Utility. Location figures and descriptions are
provided in Chapter 3, "
Configuration
."
BIOS Configuration Overview
This topic presents an introduction to the ZT 5504's BIOS. For more detailed information about
the BIOS and other utilities, see the
Intel NetStructure Embedded BIOS Manual
available on
the Intel Website.
The BIOS has many separately configurable features. These features are selected by running
the built-in Setup utility. System configuration settings are saved in a portion of battery-backed
RAM in the real-time clock device and are used by the BIOS to initialize the system at boot-up
or reset. The configuration is protected by a checksum word for system integrity.
To access the Setup utility, press
F2
during the system RAM check at boot-up. When Setup
runs, an interactive configuration screen displays. Refer to the following "
Setup Screen
"
illustration for an example.
Setup parameters are divided into different categories. The available categories are listed in a
menu across the top of the Setup screen. The parameters within the highlighted (current)
category are listed in the main (left) portion of the Setup screen. Context sensitive help is
displayed in the right portion of the screen for each parameter. A legend of keys is listed at the
bottom of the Setup screen.
Use the left and right arrow keys to select a category from the menu. Use the up and down
arrow keys to select a parameter in the main portion of the screen. Use the
+
or
–
keys to
change the value of a parameter.
Solid arrows next to menu items in the main screen indicate submenus. To display a submenu,
use the up and down arrow keys to highlight the submenu and then press
Enter
.
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