PMAC Product Guide Example 1: To set up the card to be at base address 992 decimal on the PC expansion bus: 1. 992 decimal is equal to 3E0 hexadecimal. 2. The first digit of 3 is binary 0011. This sets E91 ON, E92 ON, E66 OFF, E67 OFF. 3. The second digit of E is binary 1110. This sets E68 OFF, E69 OFF, E70 OFF, E71 ON. Example 2: To set up the card to be at base address 528 decimal on the PC expansion bus: 1. 528 decimal is equal to 210 hexadecimal. 2. The first digit of 2 is binary 0010. This sets E91 ON, E92 ON, E66 OFF, E67 ON. 3. The second digit of E is binary 0001. This sets E68 ON, E69 ON, E70 ON, E71 OFF. Example 3:
To set up the card to be at base address 544 decimal on the PC expansion bus: 1. 544 decimal is equal to 220 hexadecimal. 2. The first digit of 2 is binary 0010. This sets E91 ON, E92 ON, E66 OFF, E67 ON. 3. The second digit of E is binary 0010. This sets E68 ON, E69 ON, E70 OFF, E71 ON. E54-E55, E57-E59, E61-63, E65: Interrupt Source Control These jumpers are related to an advanced feature and should not be changed from default. E76-E84, E86: Host Interrupt Signal Select These jumpers are related to an advanced feature and should not be changed from default. E107-E108: Serial Port Configure Both RS-232 and RS-422 serial ports are provided as standard on the Universal PMAC-Lite board.
Jumpers E107 and E108 must be set correctly to use the port of choice. Both jumpers E107 and E108 must connect pins 1 and 2 to use the RS-232 port on the J4 connector. Otherwise, both jumpers E107 and E108 must connect pins 2 and 3 to use the RS-422 port on the J4A connector. 18 PMAC Jumper Configuration Bit # 7(MSB) 6 5 4(LSB) Jumper E68 E69 E70 E71 Digit Value 8 4 2 1 Setting for 1 OFF OFF OFF OFF Setting for 0 ON ON ON ON Default Configuration E54 E55 E57 E58 E59 E61 E62 E62 E63 E65 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF Default Configuration E76 E77 E78 E79 E80 E81 E82 E83 E84 E86 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF Default Configuration E107 E108 1-2 1-2