PMAC2A PC104 Hardware Reference Manual
ACC-2P E-POINT JUMPER DESCRIPTIONS
E1: USB/Ethernet Micro-Controller Firmware Reload Enable
| E Point and | Location | Description | Default |
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| E1 |
| Remove jumper to reload firmware on power- | |
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| up reset. |
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| Jump pin 1 to 2 for normal operations |
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| Note: This jumper was added on revision |
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| E3 – E4: JHW, PD Function Select |
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| E Point and | Location | Description | Default |
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| E3 | F4 | Jump pin 1 to 2 to enable handwheel channel | |
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| 1 inputs. |
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| Jump pin 2 to 3 to enable pulse and direction |
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| channel 1 outputs. |
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| E4 | F3 | Jump pin 1 to 2 to enable handwheel channel | |
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| 2 inputs. |
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| Jump pin 2 to 3 to enable pulse and direction |
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| channel 2 outputs. |
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| E5: I/O Gate Address Select |
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| E Point and | Location | Description | Default |
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| E5 | F1 | Jump pin 1 to 2 to address | |
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| the regular addresses. |
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| Jump pin 2 to 3 to address |
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| the regular addresses plus $40. |
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| E6: Communications Port Select |
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| E Point and | Location | Description | Default |
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| E6 | E6 | Jump pin 1 to 2 to enable the PC/104 | |
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| communications port. |
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| Jump pin 2 to 3 to enable either the USB or |
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| Ethernet communications port. |
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