Reference Manual

PMAC Mini PCI Hardware Reference Manual
34 Connector Pinouts
J4 JRS232 (10-Pin Header)
Front View
Pin # Symbol Function Description Notes
1 PHASE+ Bidirectional Receive/Transmit Phase Clock. Check Jumpers E10, E8 and E9
2 PHASE-
or DTR
Bidirectional Data Term Ready Tied to DSR
3 TXD/ Input Receive Data Host Transmit Data
4 CTS Input Clear to Send Host Ready Bit
5 RXD/ Output Send Data Host Receive Data
6 RTS Output Request to Send PMAC Ready Bit
7 SERVO-
or DSR
Bidirectional Data set Ready Tied to DTR
8 SERVO+ Bidirectional Receive/Transmit Servo Clock. Check Jumpers E10, E8 and E9
9 GND Common PMAC Common
10 +5V Output +5VDC Supply Power Supply Out
The JRS232 connector provides the PMAC Mini PCI with the ability to communicate serially with an RS232 port.
This connector can be used for daisychain interconnection of multiple PMACs. Check E10.
See Also: Serial Communications
J5 JOPT (34-Pin Connector)
Front View
Pin # Symbol Function Description Notes
1 MI8 Input Machine Input 8 Low is true
2 GND Common PMAC Common
3 MI7 Input Machine Input 7 Low is true
4 GND Common PMAC Common
5 MI6 Input Machine Input 6 Low is true
6 GND Common PMAC Common
7 MI5 Input Machine Input 5 Low is true
8 GND Common PMAC Common
9 MI4 Input Machine Input 4 Low is true
10 GND Common PMAC Common
11 MI3 Input Machine Input 3 Low is true
12 GND Common PMAC Common
13 MI2 Input Machine Input 2 Low is true
14 GND Common PMAC Common
15 MI1 Input Machine Input 1 Low is true
16 GND Common PMAC Common
17 MO8 Output Machine Output 8 If Sinking Out Low True; If Source Out High True
18 GND Common PMAC Common
19 MO7 Output Machine Output 7 If Sinking Out Low True; If Source Out High True
20 GND Common PMAC Common
21 MO6 Output Machine Output 6 If Sinking Out Low True; If Source Out High True
22 GND Common PMAC Common
23 MO5 Output Machine Output 5 If Sinking Out Low True; If Source Out High True
24 GND Common PMAC Common
25 MO4 Output Machine Output 4 If Sinking Out Low True; If Source Out High True
26 GND Common PMAC Common