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Printer port settings
Jumper block | Connections | Function |
JP9 | 2&3 | LPT1 |
JP9 | 1&2 | LPT2 |
JP11 | 2&3 | IRQ7 |
JP11 | 1&2 | IRQ5 |
Serial port settings
Assigning COM ports:
JP4 connections | Port 1 assignment | Port 2 assignment |
1&2, 4&5 | COM3 | COM4 |
2&3, 5&6 | COM1 | COM2 |
2&3, 4&5 | COM1 | Disabled |
1&2, 5&6 | COM2 | Disabled |
Assigning IRQ
JP10 connections | Port 1 IRQ | Port 2 IRQ |
2&3, 4&5 | IRQ4 | IRQ3 |
Game port settings
JP7: 1&2 connected: Enabled
otherwise Disabled.
FDC settings
JP1 and JP2 both have 1&2 connected: Enabled
JP1 and JP2 both have no connections: Disabled
JP5 selects spindle speeds of motor - 1&2 connected is default.
JP6 selects precompensation for FDD - 2&3 is default.
IDE Controller settings
JP3: 1&2 connected: Enabled
otherwise Disabled
JP8 caters for old drives - 1&2 is default.
J1 provides two outputs for HDD access LEDs. (1&2, 3&4)
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