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PTI-203
DTK COMPUTER, INC.
PTI-203
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Card Type
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Multi I/O
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Chipset Controller
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Unidentified
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I/O Options
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Game/MIDI port, memory, parallel port, serial port (2)
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Maximum DRAM
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2MB
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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16-pin game/MIDI port
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J1
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9-pin serial port 1
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J3
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10-pin serial port 2
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J2
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25-pin parallel port
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J4
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MEMORY ADDRESS
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Address
|
Memory
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JP1
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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|
040000h
|
256K
|
Pins 1 & 2 closed
|
On
|
On
|
Off
|
Off
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|
080000h
|
512KB
|
Pins 1 & 2 closed
|
Off
|
On
|
Off
|
Off
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|
160000h
|
1.384MB
|
Pins 1 & 2 closed
|
On
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Off
|
Off
|
Off
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|
100000h
|
1MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
On
|
Off
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|
200000h
|
1.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
|
Off
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|
280000h
|
2MB
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Pins 2 & 3 closed
|
Off
|
Off
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On
|
On
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300000h
|
2.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
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On
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300000h
|
3MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
On
|
Off
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|
380000h
|
3.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
|
Off
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|
400000h
|
4MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
On
|
On
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|
480000h
|
4.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
|
On
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|
500000h
|
5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
On
|
Off
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580000h
|
5.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
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Off
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600000h
|
6MB
|
Pins 2 & 3 closed
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Off
|
Off
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On
|
On
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680000h
|
6.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
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Off
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On
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700000h
|
7MB
|
Pins 2 & 3 closed
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Off
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Off
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On
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Off
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780000h
|
7.5MB
|
Pins 2 & 3 closed
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Off
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Off
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Off
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Off
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800000h
|
8MB
|
Pins 2 & 3 closed
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Off
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Off
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On
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On
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MEMORY ADDRESS (CON’T)
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Address
|
Memory
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SW1/5
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SW1/6
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SW1/7
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040000h
|
256K
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Off
|
Off
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Off
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080000h
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512KB
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Off
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Off
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Off
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160000h
|
1.384MB
|
Off
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Off
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Off
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100000h
|
1MB
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On
|
On
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On
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200000h
|
1.5MB
|
On
|
On
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On
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280000h
|
2MB
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Off
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On
|
On
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300000h
|
2.5MB
|
Off
|
On
|
On
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|
300000h
|
3MB
|
Off
|
On
|
On
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|
380000h
|
3.5MB
|
Off
|
On
|
On
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|
400000h
|
4MB
|
On
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Off
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On
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480000h
|
4.5MB
|
On
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Off
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On
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500000h
|
5MB
|
On
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Off
|
On
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580000h
|
5.5MB
|
On
|
Off
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On
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600000h
|
6MB
|
Off
|
Off
|
On
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|
680000h
|
6.5MB
|
Off
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Off
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On
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700000h
|
7MB
|
Off
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Off
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On
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780000h
|
7.5MB
|
Off
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Off
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On
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800000h
|
8MB
|
On
|
On
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On
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MEMORY ADDRESS (CON’T)
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Address
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Memory
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JP1
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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880000h
|
8.5MB
|
Pins 2 & 3 closed
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Off
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Off
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Off
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On
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900000h
|
9MB
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Pins 2 & 3 closed
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Off
|
Off
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On
|
Off
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980000h
|
9.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
|
Off
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A00000h
|
10MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
On
|
On
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A80000h
|
10.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
|
On
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|
B00000h
|
11MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
On
|
Off
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B80000h
|
11.5MB
|
Pins 2 & 3 closed
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Off
|
Off
|
Off
|
Off
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C00000h
|
12MB
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Pins 2 & 3 closed
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Off
|
Off
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On
|
On
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C80000h
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12.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
|
On
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D00000h
|
13MB
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Pins 2 & 3 closed
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Off
|
Off
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On
|
Off
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D80000h
|
13.5MB
|
Pins 2 & 3 closed
|
Off
|
Off
|
Off
|
Off
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E00000h
|
14MB
|
Pins 1 & 2 closed
|
On
|
Off
|
Off
|
Off
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E80000h
|
14.5MB
|
Pins 1 & 2 closed
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Off
|
Off
|
Off
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Off
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MEMORY ADDRESS (CON’T)
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|
Address
|
Memory
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SW1/5
|
SW1/6
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SW1/7
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|
880000h
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8.5MB
|
On
|
On
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Off
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900000h
|
9MB
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On
|
On
|
Off
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|
980000h
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9.5MB
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On
|
On
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Off
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|
A00000h
|
10MB
|
Off
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On
|
Off
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A80000h
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10.5MB
|
Off
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On
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Off
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B00000h
|
11MB
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Off
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On
|
Off
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B80000h
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11.5MB
|
Off
|
On
|
Off
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|
C00000h
|
12MB
|
On
|
Off
|
Off
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|
C80000h
|
12.5MB
|
On
|
Off
|
Off
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|
D00000h
|
13MB
|
On
|
Off
|
Off
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|
D80000h
|
13.5MB
|
On
|
Off
|
Off
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|
E00000h
|
14MB
|
Off
|
Off
|
Off
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|
E80000h
|
14.5MB
|
Off
|
Off
|
Off
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SERIAL PORT 1
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|
Setting
|
Interrupt
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SW2/5
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SW2/6
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SW3/1
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SW3/3
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COM1 (3F8h)
|
4
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On
|
Off
|
Off
|
On
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COM2 (2F8h)
|
3
|
Off
|
On
|
On
|
Off
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|
Disabled
|
N/A
|
On
|
On
|
On
|
On
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SERIAL PORT 2
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|
Setting
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Interrupt
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SW2/3
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SW2/4
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SW3/2
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SW3/4
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COM1 (3F8h)
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4
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On
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Off
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Off
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On
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COM2 (2F8h)
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3
|
Off
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On
|
On
|
Off
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Disabled
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N/A
|
On
|
On
|
On
|
On
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PARALLEL PORT
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|
Setting
|
Interrupt
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SW2/1
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SW2/2
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SW2/7
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SW2/8
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LPT1 (378h)
|
7
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On
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Off
|
Off
|
On
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LPT2 (278h)
|
5
|
Off
|
On
|
On
|
Off
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Disabled
|
N/A
|
On
|
On
|
On
|
On
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GAME PORT
|
|
Setting
|
SW1/8
|
| »
|
Enabled
|
On
|
|
|
Disabled
|
Off
|
|
DRAM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
Bank 3
|
|
128KB
|
(18) 64K x 1
|
NONE
|
NONE
|
NONE
|
|
256KB
|
(18) 64K x 1
|
(18) 64K x 1
|
NONE
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NONE
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|
384KB
|
(18) 64K x 1
|
(18) 64K x 1
|
(18) 64K x 1
|
NONE
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|
512KB
|
(18) 64K x 1
|
(18) 64K x 1
|
(18) 64K x 1
|
(18) 64K x 1
|
|
512KB
|
(18) 256K x 1
|
NONE
|
NONE
|
NONE
|
|
1MB
|
(18) 256K x 1
|
(18) 256K x 1
|
NONE
|
NONE
|
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1.5MB
|
(18) 256K x 1
|
(18) 256K x 1
|
(18) 256K x 1
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NONE
|
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2MB
|
(18) 256K x 1
|
(18) 256K x 1
|
(18) 256K x 1
|
(18) 256K x 1
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