WYSE TECHNOLOGY, INC.
WY-994
| 
 
  | 
Data bus: 16-bit, PC/AT
Size: Half-length, full-height card
Hard drives supported: Two IDE Interface (AT) drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 25-pins parallel port (LPT1/2) external  | 
 CN1  | 
| 
 9-pin serial port 1 (COM1/3)-external  | 
 CN2  | 
| 
 9-pin serial port 2 (COM2/4) internal  | 
 CN3  | 
| 
 34-pin data cable connector-floppy drive  | 
 J1  | 
| 
 40-pin IDE Interface (AT) control cable connector-hard drive  | 
 J5  | 
| 
 4-pin connector-drive active LED  | 
 J6  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Factory configured - do not alter  | 
 W1  | 
 open  | 
| » | 
 Factory configured - do not alter  | 
 W2  | 
 open  | 
| » | 
 Hard drive enabled  | 
 W3  | 
 pins 1 & 2 open  | 
| 
 Hard drive disabled  | 
 W3  | 
 pins 1 & 2 closed  | |
| » | 
 Factory configured - do not alter  | 
 W3  | 
 pins 3 & 4 open  | 
| » | 
 Floppy drive interrupt request is IRQ6  | 
 W4  | 
 pins 1 & 2 open  | 
| 
 Floppy drive interrupt request is disabled  | 
 W4  | 
 pins 1 & 2 closed  | |
| » | 
 Floppy drive port address is 3F0-3F7h  | 
 W4  | 
 pins 3 & 4 closed  | 
| 
 Floppy drive port address is 370-3F7h  | 
 W4  | 
 pins 3 & 4 open  | |
| 
 PARALLEL PORT CONFIGURATION  | |||||
| 
 LPT  | 
 W5/1 & 2  | 
 W5/3 & 4  | 
 W6/3 & 4  | 
 W6/1 & 2  | |
| » | 
 LPT1 (378-37Fh) on IRQ7  | 
 open  | 
 closed  | 
 closed  | 
 open  | 
| 
 LPT2 (278-27Fh) on IRQ5  | 
 open  | 
 open  | 
 open  | 
 closed  | |
| 
 Disabled  | 
 closed  | 
 N/A  | 
 N/A  | 
 N/A  | |
| 
 SERIAL PORT CONFIGURATION - W5  | |||||
| 
 Port 1 (CN2)  | 
 Port 2 (CN3)  | 
 pins 5 & 6  | 
 pins 7 & 8  | 
 pins 9 & 10  | 
 pins 11 &12  | 
| 
 COM1 3F8-3FFh  | 
 COM2 2F8-2FFh  | 
 open  | 
 closed  | 
 open  | 
 closed  | 
| 
 COM1 3F8-3FFh  | 
 COM4 2E8-2EFh  | 
 open  | 
 open  | 
 closed  | 
 open  | 
| 
 COM3 3E8-3EFh  | 
 COM2 2F8-2FFh  | 
 closed  | 
 open  | 
 open  | 
 closed  | 
| 
 COM3 3E8-3EFh  | 
 COM4 2E8-2EFh  | 
 closed  | 
 open  | 
 closed  | 
 open  | 
| 
 Disabled  | 
 Disabled  | 
 closed  | 
 closed  | 
 closed  | 
 closed  | 
| 
 COM PORTS INTERRUPT REQUEST - W6  | |||||
| 
 IRQ  | 
 pins 5 & 6  | 
 pins 7 & 8  | 
 pins 5 & 7  | 
 pins 6 & 8  | |
| » | 
 COM1 or COM3 IRQ4  | 
 open  | 
 closed  | 
 open  | 
 open  | 
| 
 COM1 or COM3 IRQ3  | 
 open  | 
 open  | 
 open  | 
 closed  | |
| » | 
 COM2 or COM4 IRQ3  | 
 closed  | 
 open  | 
 open  | 
 open  | 
| 
 COM2 or COM4 IRQ4  | 
 open  | 
 open  | 
 closed  | 
 open  | |
| 
 Disabled  | 
 closed  | 
 closed  | 
 closed  | 
 closed  | |