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