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SUPER I/O 21 (NP)
ADVANCED MICROCOMPUTER SYSTEMS, INC.
SUPER I/O 21 (NP)
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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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Unidentified
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I/O Options
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Parallel port, serial ports (2)
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Data Bus
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16-bit ISA
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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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Parallel port
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J1
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Serial port 2
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J4
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Serial port 1
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J2
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PARALLEL PORT ADDRESS SELECTION
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Setting
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J5/A
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J5/B
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LPT2 (278h)
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Open
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Closed
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LPT3 (3BCh)
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Closed
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Open
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Disabled
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Open
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Open
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SERIAL PORT 1 ADDRESS SELECTION
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Setting
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J6/A
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J6/B
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| »
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COM2 (2F8h)
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Open
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Closed
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COM4 (2E8h)
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Closed
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Open
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Disabled
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Open
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Open
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SERIAL PORT 2 ADDRESS SELECTION
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Setting
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J7/A
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J7/B
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COM1 (3F8h)
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Closed
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Open
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COM3 (3E8h)
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Open
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Closed
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Disabled
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Open
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Open
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SERIAL PORT 1 INTERRUPT SELECTION
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IRQ
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SP1/A
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SP1/B
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SP1/C
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SP1/D
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SP1/E
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SP1/F
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2
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Closed
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Open
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Open
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Open
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Open
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Open
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3
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Open
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Closed
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Open
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Open
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Open
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Open
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| »
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4
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Open
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Open
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Closed
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Closed
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Closed
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Open
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7
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Open
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Open
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Open
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Open
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Open
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Closed
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10
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Open
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Open
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Open
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Open
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Open
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Open
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11
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Open
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Open
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Open
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Open
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Open
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Open
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12
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Open
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Open
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Open
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Open
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Open
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Open
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15
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Open
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Open
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Open
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Open
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Open
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Open
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14
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Open
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Open
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Open
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Open
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Open
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Open
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SERIAL PORT 1 INTERRUPT SELECTION (CONTINUED)
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IRQ
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SP1/G
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SP1/H
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SP1/I
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SP1/J
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SP1/K
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2
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Open
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Open
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Open
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Open
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Open
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3
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Open
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Open
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Open
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Open
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Open
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| »
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4
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Open
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Open
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Open
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7
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Open
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Open
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Open
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Open
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Open
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10
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Closed
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Open
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Open
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Open
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Open
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11
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Open
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Closed
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Open
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Open
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Open
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12
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Open
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Open
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Closed
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Open
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Open
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15
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Open
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Open
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Open
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Closed
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Open
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14
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Open
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Open
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Open
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Open
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Closed
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SERIAL PORT 2 INTERRUPT SELECTION
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IRQ
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SP2/A
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SP2/B
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SP2/C
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SP2/D
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SP2/E
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SP2/F
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2
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Closed
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Open
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Open
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Open
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Open
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Open
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| »
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3
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Open
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Closed
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Open
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Open
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Open
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Open
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4
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Open
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Open
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Closed
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Closed
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Closed
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Open
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7
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Open
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Open
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Open
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Open
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Open
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Closed
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10
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Open
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Open
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Open
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Open
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Open
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Open
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11
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Open
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Open
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Open
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Open
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Open
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Open
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12
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Open
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Open
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Open
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Open
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Open
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Open
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15
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Open
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Open
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Open
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Open
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Open
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Open
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14
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Open
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Open
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Open
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Open
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Open
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Open
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SERIAL PORT 2 INTERRUPT SELECTION (CONTINUED)
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IRQ
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SP2/G
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SP2/H
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SP2/I
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SP2/J
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SP2/K
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2
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Open
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Open
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Open
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Open
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Open
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| »
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3
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Open
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Open
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Open
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Open
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Open
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4
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Open
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Open
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Open
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7
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Open
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Open
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Open
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Open
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Open
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10
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Closed
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Open
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Open
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Open
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Open
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11
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Open
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Closed
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Open
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Open
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Open
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12
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Open
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Open
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Closed
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Open
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Open
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15
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Open
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Open
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Open
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Closed
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Open
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14
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Open
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Open
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Open
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Open
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Closed
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PARALLEL PORT INTERRUPT SELECTION
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IRQ
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PP1/A
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PP1/B
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PP1/C
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PP1/D
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PP1/E
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PP1/F
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2
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Closed
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Open
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Open
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Open
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Open
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Open
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3
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Open
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Closed
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Open
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Open
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Open
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Open
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4
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Open
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Open
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Closed
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Closed
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Closed
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Open
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| »
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7
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Open
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Open
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Open
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Open
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Open
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Closed
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10
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Open
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Open
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Open
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Open
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Open
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Open
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11
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Open
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Open
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Open
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Open
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Open
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Open
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12
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Open
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Open
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Open
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Open
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Open
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Open
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15
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Open
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Open
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Open
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Open
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Open
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Open
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14
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Open
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Open
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Open
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Open
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Open
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Open
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PARALLEL PORT INTERRUPT SELECTION (CONTINUED)
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IRQ
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PP1/G
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PP1/H
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PP1/I
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PP1/J
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PP1/K
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2
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Open
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Open
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Open
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Open
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Open
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3
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Open
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Open
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Open
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Open
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Open
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4
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Open
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Open
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Open
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| »
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7
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Open
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Open
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Open
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Open
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Open
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10
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Closed
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Open
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Open
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Open
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Open
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11
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Open
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Closed
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Open
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Open
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Open
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12
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Open
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Open
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Closed
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Open
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Open
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15
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Open
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Open
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Open
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Closed
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Open
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14
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Open
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Open
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Open
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Open
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Closed
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