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3.1.2 Memory Map
Table 12 lists the system memory map.
Table 12. System Memory Map
Potential available high DOS
memory (open to the PCI bus).
Dependent on video adapter used.
Extended BIOS data (movable by
memory manager software)
Extended conventional memory
3.2 Connectors and Headers
CAUTION
Only the following connectors and headers have overcurrent protection: back panel
and front panel USB.
The other internal connectors and headers are not overcurrent protected and should
peripherals. Do not use these connectors or headers to power devices external to the
ternal devices could cause
damage to the computer, the power cable, and the external devices themselves.
Furthermore, improper connection of USB header single wire connectors may
eventually overload the overcurrent protection and cause damage to the board.
and headers. The connectors and
headers can be divided into these groups:
Back panel I/O connectors
On-board I/O connectors and headers