Product specifications

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CONNECTOR FUNCTION REMARK
J15 ATX power control interface Connect to Backplane
J16 On-board Ethernet ( Intel 82559 )
interface connector
RJ-45
J17 CPU FAN power connector
J18 Two-port USB interface
J19 68 pin PCI Connector
J20 On-board VGA connector 2 x 5 shrouded header
J21 External keyboard interface Connect to backplane
J22 Standard 5-1/4” disk drive power
connector
4-pin connector
(pitch : 0.2 inch)
J23 PS/2 keyboard/mouse connector 6-pin Mini-DIN
U15 Socket 370 Celeron/PIII CPU
U25 M-systems Flash Disk DIP 32-pin socket
DIMM1 – 2 DIMM socket 3.3V SDRAM
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Pin Assignments of Connectors
Pin Assignments of ConnectorsPin Assignments of Connectors
Pin Assignments of Connectors
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J8: Reset Header
PIN No Signal Description
1 Reset
2 Ground
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J9 : External Speaker Header
PIN No. Signal Description
1 Speaker signal
2 N/C
3 Ground
4 +5V
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J10 : Keyboard Lock Header
PIN No. Signal Description
1 +5V (220 ohm pull-up for power LED)
2 N/C
3 Ground
4 Keyboard inhibit
5 Ground
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J11: IDE1/IDE2 Active LED Header
PIN No. Signal Description
1 +5V (470 ohm pull-up for HDD LED)
2 HDD Active # (LED cathode terminal)
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