Chapter4. Control Electronics Service Manual
4-6
© 2016
Nautilus Hyosung Inc.
All Rights Reserved.
► Expansion Sockets
Socket/Slot
Name
Description
ZIF Socket 478
CPU Socket
478-pin mPGAB CPU Socket
DIMM1, DIMM2
DDR Module Socket
184-pin DDR SDRAM Module
Expansion Socket
PCI1
PCI5
PCI Slot
32-bit PCI Local Bus Expansion slots
AGP
AGP 4X/8X Mode
Slot
AGP Expansion Slot
1. Power Connector (20-pin block) : ATXPWR
ATX Power Supply connector. This is a new defined 20-pins connector that usually
comes with ATX case. The ATX Power Supply allows to use soft power on momentary
switch that connect from the front panel switch to 2-pins power On jumper plow on the
motherboard. When the power switch on the back of the ATX power supply turned on,
the full power will not come into the system board until the front panel switch is
momentarily pressed. Press this switch again will turn off the power to the system
board.
2. ATX 12V Power Connector (4-pin block) : ATX12V
This is a new defined 4-pins connector that usually comes with ATX Power Supply.
The ATX Power Supply which fully support Pentium 4 processor must including this
connector for support extra 12V voltage to maintain system power consumption.
Without this connector might cause system unstable because the power supply can
not provide sufficient current for system.
