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A300 Motherboard
4.1.3 External Interface Panel Connectors
Table 4-2 lists the rear panel connectors on the A300. Detailed descriptions of these
connectors can be found in Section
0 on page 50.
Connector Type Label
Audio connectors Audio jack CN11
DVI-I connector Female DVI-I DVI1
Ethernet connectors RJ-45 connector LAN1
Keyboard/mouse connector PS/2 connector KB_MS1
RS-232 serial port connector (COM1) DB-9 connector CN1.B
RS-232 serial port connectors (COM2, COM3) DB-9 connector J5
USB ports USB port USB1
VGA port connector 15-pin female CN1.A
Table 4-2: Rear Panel Connectors
4.2 Internal Peripheral Connectors
Internal peripheral connectors are found on the motherboard and are only accessible
when the motherboard is outside of the chassis. This section has complete descriptions of
all the internal, peripheral connectors on the A300.
4.2.1 ATX Power Connector
CN Label: PW1
CN Type:
20-pin ATX power connector (2x10)
CN Location: See
Figure 4-3
CN Pinouts: See Table 4-3
Page 32