Aaeon PCM-7890 User Manual page 36

The DiskOnChip 2000 occupies an 8 Kbyte window in the upper
memory address range of D400 to E000. You should ensure this
does not conflict with any other device's memory address. J7
controls the memory address of the Flash disk.
DiskOnChip 2000 memory address (J7)
Memory address (HEX)
DISABLE
DC00
D400
D800*
* default
These addresses might conflict with the ROM BIOS of other
peripheral boards. Please select the appropriate memory address
to avoid memory conflicts.
The ATX Soft-Power switch connector is a 2-pin header. Locate
the power switch cable from your system. It is a 2-pin female
connector. Plug this connector to the Soft-Power switch connector
maketed J8.
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