Daewoo CB647M-EX, Manual

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CB647M-LX/EX User's Manual
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11. USB Connector :
●
P rovide the 2 channel USB port.
● Fully supports Universal Host Controller Interface(UHCI) and uses
UHCI-compatible software drivers.
The 5V lines to these connectors are protected with a poly switch circ u i t ,
that, like a self-healing fuse, reestablishes the connection after over-
c u r rent condition is re m o v e d .
12. RTC & Back-up Battery :
●
Integrated into PIIX4(82371EB) chipset.
●
An external coin-cell battery powers the real-time clock and CMOS memory
● When the computer is not plugged into a wall socket, the battery has an
established life of three years. When the computer is plugged in, the 3.3V
standby current from the power supply extends the life of the battery.
13. Keyboard Controller :
●
It's function compatible with Intel 8042 Keyboard Contro l l e r, which
p rovides enhanced gate A20 switching & PS/2 compatible mouse.
●
AMI keyboard BIOS
●
Integrated into Super I/O Contro l l e r.
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