IRWIN SC499R Card Type Tape drive controller Hard Drives supported None Floppy drives supported None Data Bus 8-bit ISA Card Size Half-length, full-height [Image] CONNECTIONS Function Label Tape drive interface J3 Note: Number of pins is unidentified. USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter A/8 Closed » Factory configured - do not alter B/1 Open (enables interrupt at 512 byte boundaries) » POST enabled C/1 Closed POST disabled C/1 Open » Factory configured - do not alter C/2 Open » Factory configured - do not alter C/3 Open » Factory configured - do not alter C/4 Open » Factory configured - do not alter C/5 Closed » Factory configured - do not alter C/6 Closed » Factory configured - do not alter D Open DMA CHANNEL SELECTION Channel B1/1 B1/2 B1/3 B2/1 B2/2 B2/3 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 Closed Closed Closed Closed Closed Open Closed » 200h Closed Closed Closed Closed Closed Closed Open 220h Closed Closed Open Closed Closed Closed Open 280h Closed Closed Closed Closed Open Closed Open 300h Closed Closed Closed Closed Closed Open Open 338h Open Open Open Closed Closed Open Open 350h Closed Open Closed Open Closed Open Open 360h Closed Closed Open Open Closed Open Open 370h Closed Open Open Open Closed Open Open 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 SC499-R is used with FT60 tape drive. The tape drive cannot be used in EISA systems , 486 or 386 faster than 25MHz.