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QUADBOARD
QUADRAM
QUADBOARD
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Card Type
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Multi-I/O card
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Chip Set
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Unidentified
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Maximum Onboard Memory
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384KB DRAM
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I/O Options
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Game port, parallel port, serial port
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Data Bus
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8-bit ISA
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Floppy drives supported
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None
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CONNECTIONS
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Function
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Label
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Function
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Label
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Serial port
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CN1
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Game port
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CN3
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Parallel port
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CN2
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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| »
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Game port enabled
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SW1/1
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On
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Game port disabled
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SW1/1
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Off
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| »
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Clock/calendar enabled
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SW1/2
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On
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Clock/calendar disabled
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SW1/2
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Off
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| »
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Parity enabled
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SW1/3
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On
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Parity disabled
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SW1/3
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Off
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| »
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Quadboard memory enabled
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SW1/4
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On
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Quadboard memory disabled
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SW1/4
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Off
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DRAM CONFIGURATION
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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Bank 4
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Bank 5
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64KB
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(9) 4164K
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None
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None
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None
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None
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None
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128KB
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(9) 4164K
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(9) 4164K
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None
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None
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None
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None
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192KB
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(9) 4164K
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(9) 4164K
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(9) 4164K
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None
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None
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None
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256KB
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(9) 4164K
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(9) 4164K
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(9) 4164K
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(9) 4164K
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None
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None
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320KB
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(9) 4164K
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(9) 4164K
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(9) 4164K
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(9) 4164K
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(9) 4164K
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None
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384KB
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(9) 4164K
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(9) 4164K
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(9) 4164K
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(9) 4164K
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(9) 4164K
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(9) 4164K
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DRAM SWITCH CONFIGURATION
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Size
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SW1/5
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SW1/6
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SW1/7
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SW1/8
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64KB
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On
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On
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On
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Off
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128KB
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On
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On
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Off
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On
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192KB
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On
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On
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Off
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Off
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256KB
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On
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Off
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On
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On
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320KB
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On
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Off
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On
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Off
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384KB
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On
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Off
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Off
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On
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448KB
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On
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Off
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Off
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Off
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512KB
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Off
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On
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On
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On
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576KB
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Off
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On
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On
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Off
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640KB
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Off
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On
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Off
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On
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704KB
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Off
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On
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Off
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Off
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768KB
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Off
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Off
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On
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On
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832KB
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Off
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Off
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On
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Off
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896KB
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Off
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Off
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Off
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On
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960KB
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Off
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Off
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Off
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Off
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PARALLEL PORT ADDRESS SELECTION
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Setting
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JP1
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LPT1 (378h)
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Pins 1 & 2 closed
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LPT2 (278h)
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Pins 2 & 3 closed
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SERIAL PORT ADDRESS SELECTION
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Setting
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JP1
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COM1 (3F8h)
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Pins 5 & 6 closed
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COM2 (2F8h)
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Pins 4 & 5 closed
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SERIAL PORT INTERRUPT SELECTION
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IRQ
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JP1
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IRQ4
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Pins 7 & 8 closed
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IRQ3
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Pins 8 & 9 closed
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