Kontron SBC-845D-VEA, User Manual

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SBC-845D-VEA Single Board Computer User’s Guide
19 Ground 20 Step#
21 Ground 22 Write Data#
23 Ground 24 Write Gate#
25 Ground 26 Track 0#
27 Ground 28 Write Protect#
29 Ground 30 Read Data#
31 Ground 32 Head Select#
33 Ground 34 Disk Change#
J9/J8: COM1/COM2 Serial Ports
Pin
Signal Description
RS-232 RS-422 RS-485
1 DCD (Data Carrier Detect) TX- DATA-
2 RXD (Receive Data) TX+ DATA+
3 TXD (Transmit Data) RX+ N/C
4 DTR (Data Terminal Ready) RX- N/C
5 GND (Ground) GND GND
6 DSR (Data Set Ready) N/C N/C
7 RTS (Request to Send) N/C N/C
8 CTS (Clear to Send) N/C N/C
9 RI (Ring Indicator) N/C N/C
10 N/C N/C N/C
J7: FDC Interface Connector
Pin Signal Pin Signal