The 845E-ANT MAINBOARD
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2.7.3. Serial Port 1 (COM1) and Serial Port 2 (COM2)
Connector: CN3 (COM1)/CN4 ( COM2)
Type: 9 pin male/9 pin male
One serial port is available for a mouse and other serial devices.
(I/O addresses used are 3F8H/2F8H/3E8H/2E8H and IRQ3/IRQ4, selected by
CMOS setup.)
2.7.4. Parallel Port Connector
Connector: CN5 (LPT)
Type: 25 pin female.
This parallel port is used by printers which support the SPP, EPP and ECP
modes IRQ7 or IRQ5 can be selected. The ECP mode will use either DMA 3
or DMA 1 (which can be selected by the BIOS setup program).
2.7.5. Universal Serial Bus (USB) Port 1 & 2
Connector: CN6 (USB1)/CN7 (USB2)
Type: 4 pin female
Two USB ports are available for connecting USB devices. The mainboard is also
equipped with two expansion connector that supports four additional USB ex-
ternal ports. (The USB cable is not included in the mainboard package).
2.7.6. GAME/MIDI Port Connector
Connector: CN18
Type: 15 pin female
The GAME/MIDI port connector is a dual purpose connector. It can either be
used to connect a joystick to the computer for game participation, or it can be
used to attach an external MIDI device. All these motherboards have 3D audio
interfaces onboard.
Hardware Installation
