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Chapter 2: Motherboard information
12. Serial port connectors (10-1 pin COM3 ~ COM6)
These connectors are for serial (COM) ports. Connect the serial port module
cables to these connectors, then install the module to a slot opening at the
back of the system chassis.
EMB-H81A Serial port connectors
PIN 1
COM5
RI
RTS
GND
TXD
DCD
CTS
DSR
DTR
RXD
PIN 1
COM3
RI
RTS
GND
TXD
DCD
CTS
DSR
DTR
RXD
PIN 1
COM4
RI
RTS
GND
TXD
DCD
CTS
DSR
DTR
RXD
PIN 1
COM6
RI
RTS
GND
TXD
DCD
CTS
DSR
DTR
RXD
13. LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a
printer. LPT is standardized as IEEE 1284, which is the parallel port interface
on IBM PC-compatible computers.
EMB-H81A Parallel Port Connector
LPT
PIN 1
SLCT
PE
BUSY
ACK#
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
STB#
GND
GND
GND
GND
GND
GND
GND
GND
SLIN#
INIT#
ERR#
AFD
Summary of Contents for EMB-H81A
Page 1: ...Industrial Motherboard EMB H81A...
Page 8: ...EMB H81A 1 4...
Page 15: ...2 7 Chapter 2 Motherboard information 2 4 1 Installing the CPU 1 A B 2 3...
Page 16: ...EMB H81A 2 8 A B C 4 5...
Page 18: ...EMB H81A 2 10 A B B A To uninstall the CPU heatsink and fan assembly 2 1...
Page 20: ...EMB H81A 2 12 To remove a DIMM A B 2 5 1 Installing a DIMM 1 2 3 A...
Page 49: ...3 16 EMB H81A...
Page 51: ...A 2 EMB H81A Pb Hg Cd Cr VI PBB PBDE SJ T 11363 2006 SJ T 11363 2006 2002 95 EC...