Vig550B Motherboard Manual – Ver 1.0
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K – Two DDR DIMM slots
This allows up to 2GB of DDR RAM to be installed. Up to 1GB of RAM in each slot.
L – 20-pin ATX power connector
This is the main power connector.
M
– Battery
The battery keeps the CMOS memory when the system isn’t turned on.
N – CMOS Jumper
This allows the CMOS to be cleared. Read the section regarding the BIOS and
CMOS. The default position of the jumper is covering pin 1 and 2. (See figure 3)
O – Primary / Secondary IDE ports
This allows up to 2 devices, such as CD/DVD drives and hard drives to be added
to the IDE channel. The port is slotted to ensure correct installation.
P – Power Fan Connector
This allows the power unit fan to be connected to the motherboard. (Case
dependent)
Q – SATA Connectors
Two Ports which can be used for SATA Hard Disk Drives.
R – Front Panel Header
This is the panel to which the case cables are connected, such as the power switch,
Power LED etc...
S – Internal USB3 header
This allows an additional 2 USB ports to be added with the use of a cable.
T – Internal USB4 header
This allows an additional 2 USB ports to be added with the use of a cable.
