Chapter 17: Troubleshooting
If your system is not working properly, check the following items.
Boot Block Recovery
If your boot block becomes corrupted, refer to Crisis.htm on the Octagon Product
CD in the \700\EXTBIOS\Crisis directory.
Memory conflicts using operating system other than DOS
If you are using an operating system other than DOS the X switch should be Off.
The X switch maps the INT17 extended BIOS into the 0xD8000-0xDFFFF memory.
This can cause problems with applications or hardware running on other operating
systems if they attempt to use this memory range. Setting the X switch Off frees
this memory for use by other operating systems.
No system LED activity
If there is no LED activity, check the following:
Make sure all PC/104 expansion cards are removed from the XE–700 SBC. This
ensures that other cards are not interacting with the XE–700 SBC.
Turn the “S” switch Off.
Check all power connections to the XE–700 SBC card.
Measure the supply voltage at the J13 power connector and verify that the
voltage at the XE–700 SBC card is +5V (+/–0.25V).
Make sure your power module pr5V (+/–0.25V) and at least 5A of
current.
No CRT or flat panel video
If the LEDs appear to be functioning properly, but there is no video activity, check
the following:
Make sure all PC/104 expansion cards are removed from the XE–700 SBC. This
ensures that other cards are not interacting with the XE–700 SBC.
Turn the “S” switch Off.
If using a CRT monitor, check the cable and connections going from the J3
connector to the monitor.
If using a flat panel display, check the following:
Check the power and cables going to the flat panel display.
Make sure that the power module has enough current capacity to power both
the XE–700 SBC card and the flat panel.
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