INSTALLATIONS
20
MB990 User’s Manual
J9, J8, J6, J4: COM3~COM6 RS232 Serial Ports
Signal Name Pin #
Pin #
Signal Name
DCD#
1
6
DSR#
SIN
2
7
RTS#
SOUT
3
8
CTS#
DTR#
4
9
RI#
GND
5
X
KEY
J7: Mini PCI-E Connector(PCI-E X1 only)
J13, J16: USB2.0 Connectors
Signal Name
Pin #
Pin #
Signal Name
VCC
1
2
VCC
D0-
3
4
D1-
D0+
5
6
D1+
GND
7
8
GND
KEY
9
10
NC
5
1
10
6
1 2
9 10
Summary of Contents for MB990
Page 1: ...MB990 Intel 6th Generation Core Q170 PCH ATX Motherboard USER S MANUAL Version 1 0...
Page 4: ...iv MB990 User s Manual This page is intentionally left blank...
Page 9: ...INTRODUCTION MB990 User s Manual 5 Board Dimensions...
Page 18: ...INSTALLATIONS 14 MB990 User s Manual This page is intentionally left blank...
Page 20: ...INSTALLATIONS 16 MB990 User s Manual Connector Locations on MB990...