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Print Port Header
(25-pin LPT1)
(see p.2 No. 18)
Serial port Header
(9-pin COM1)
(see p.2 No. 16)
18
SPD1
SPD2
SLCT
SPD3
PE
SPD4
BUSY
SPD5
ACK#
SPD6
SPD7
SLIN#
GND
PINIT#
ERROR#
ASRock H61M-DG4 Motherboard
This is an interface for print
STB#
SPD0
port cable that allows
convenient connection of printer
devices.
1
AFD#
This COM1 header supports a
serial port module.
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