IRWIN
400S, 499
| 
 Card Type  | 
 Tape drive controller  | 
| 
 Hard Drives supported  | 
 None  | 
| 
 Floppy drives supported  | 
 None  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Card Size  | 
 Half-length, full-height  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Label  | 
| 
 Tape drive interface  | 
 J3  | 
| 
 Note:Number of pins is unidentified.  | |
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| » | 
 PC’s <386-20 mode enabled  | 
 B/1  | 
 Open  | 
| 
 PC’s >386-20 mode enabled  | 
 B/1  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 D/1  | 
 Open  | 
| 
 45/60MB mode enabled  | 
 D/2  | 
 Closed  | |
| 
 45/60MB mode disabled  | 
 D/2  | 
 Open  | |
| 
 QIC-24 format enabled  | 
 D/3  | 
 Closed  | |
| 
 QIC-11 format enabled  | 
 D/3  | 
 Open  | |
| » | 
 POST enabled  | 
 E/1  | 
 Closed  | 
| 
 POST disabled  | 
 E/1  | 
 Open  | |
| » | 
 Factory configured - do not alter  | 
 E/2  | 
 Open  | 
| » | 
 Factory configured - do not alter  | 
 E/3  | 
 Open  | 
| » | 
 Factory configured - do not alter  | 
 E/4  | 
 Open  | 
| 
 Note:When installing the controller in a PC >386-20 disable POST.  | |||
| 
 DMA CHANNEL SELECTION  | ||||||
| 
 Channel  | 
 C/1  | 
 C/2  | 
 C/3  | 
 C2/1  | 
 C2/2  | 
 C2/3  | 
| 
 1  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 2  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 3  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 BASE I/O ADDRESS SELECTION  | |||||||
| 
 Address  | 
 A/1  | 
 A/2  | 
 A/3  | 
 A/4  | 
 A/5  | 
 A/6  | 
 A/7  | 
| 
 100h  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 200h  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 220h  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 280h  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 300h  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 338h  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 350h  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 360h  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 370h  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 INTERRUPT SELECTION  | ||||||
| 
 Setting  | 
 B/2  | 
 B/3  | 
 B/4  | 
 B/5  | 
 B/6  | 
 B/7  | 
| 
 IRQ2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 IRQ7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 The 400S and 499 are used with FT60 tape drive. The tape drive cannot be used in EISA systems , 486 or 386 faster than 25MHz.  |