INSTALLATIONS
18
MB870 User’s Manual
J12: COM1 Serial Port
J12 (COM1) is a DB-9 connector serial port.
Signal Name
Pin #
Pin #
Signal Name
DCD, Data carrier detect
1
6
DSR, Data set ready
RXD, Receive data
2
7
RTS, Request to send
TXD, Transmit data
3
8
CTS, Clear to send
DTR, Data terminal ready
4
9
RI, Ring indicator
GND, ground
5
10
Not Used
J13: Parallel Port Connector
J13 is a DB-25 external. The following table describes the pin-out
assignments of this connector.
Signal Name
Pin #
Pin #
Signal Name
Line printer strobe
1
14
AutoFeed
PD0, parallel data 0
2
15
Error
PD1, parallel data 1
3
16
Initialize
PD2, parallel data 2
4
17
Select
PD3, parallel data 3
5
18
Ground
PD4, parallel data 4
6
19
Ground
PD5, parallel data 5
7
20
Ground
PD6, parallel data 6
8
21
Ground
PD7, parallel data 7
9
22
Ground
ACK, acknowledge
10
23
Ground
Busy 11
24
Ground
Paper empty
12
25
Ground
Select 13
N/A
N/A
Содержание MB870
Страница 1: ...MB870 Socket 478 Pentium 4 ATI RS300M Mini ITX USER S MANUAL Version 1 0...
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Страница 8: ...INTRODUCTION 4 MB870 User s Manual Board Dimensions...
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Страница 60: ...APPENDIX 56 MB870 User s Manual 3 Click Finish to restart the computer and for changes to take effect...
Страница 62: ...APPENDIX 58 MB870 User s Manual 3 Click Finish to complete the setup and for changes to take effect...