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L20E
UNIDENTIFIED
L20E
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Data bus:
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32-bit, VL-bus
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Size:
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Three/quarter-length, full-height card
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Hard drive supported:
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Two IDE (AT) interface drives
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Floppy drives supported:
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Two 360KB, 720KB, 1.2MB or 1.44MB drives
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CONNECTIONS
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Function
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Location
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40-pin IDE (AT) interface connector - port 1
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CN1
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4-pin connector - drive active LED
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CN2
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VESA-feature connector
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CN3
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10-pin serial port 1
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CN4
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10-pin serial port 2
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CN5
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4-pin connector - drive active LED
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J5
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15-pin analog video port
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J8
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25-pin parallel port
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J21
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USER CONFIGURABLE SETTINGS
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Function
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Location
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Setting
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Factory configured - do not alter
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JP1
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N/A
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VGA IRQ9 enabled
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JP2
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Closed
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VGA IRQ9 disabled
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JP2
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Open
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Floppy drive enabled
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J14
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Pins 1 & 2 closed
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Floppy drive disabled
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J14
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Pins 2 & 3 closed
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Factory configured - do not alter
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J16
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Pins 1 & 2 closed
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Parallel port uses IRQ7
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J17
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Pins 2 & 3 closed
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Parallel port uses IRQ5
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J17
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Pins 1 & 2 closed
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Video port enabled
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J22
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Pins 1 & 2 closed
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Video port disabled
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J22
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Pins 2 & 3 closed
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UARTS
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UART 1
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UART 2
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J9
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J10
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J11
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Enabled
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Enabled
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Enabled
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Disabled
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Controls Port 2
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Controls Port 1
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Disabled
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Controls Port 1
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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Disabled
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Enabled
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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Controls Port 2
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Disabled
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Disabled
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Disabled
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N/A
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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SERIAL PORTS 1 & 2 CONFIGURATIONS
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Port 1
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Port 2
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J19
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J20
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COM1
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COM2
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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COM1
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COM4
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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COM2
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COM3
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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COM3
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COM4
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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PARALLEL PORT CONFIGURATION
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LPT
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J12
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J13
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LPT1
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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LPT2
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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LPT3
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Disabled
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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HARD DRIVE
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Setting
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J15
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J18
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HDD enabled
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Closed
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Closed
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HDD disabled
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Open
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Open
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