TYAN COMPUTER CORPORATION VL IDE & I/O CONTROLLER Data bus: 32-bit, VL-bus Size: Three/quarter-length, full-height card Hard drive supported: Two IDE (AT) Interface drives Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives supported: [Image] CONNECTIONS Function Location 10-pin serial port (COM1/3/4) - external CN1 25-pin parallel port (LPT1/2/3) - external CN2 40-pin IDE(AT) Interface connector JP4 34-pin control cable connector - floppy drive JP6 10-pin serial port (COM2/3/4) - internal JP8 15-pin game port - internal JP9 4-pin connector - Drive active LED JP20 USER CONFIGURABLE SETTINGS Function Location Setting » Floppy drive enabled J1 pins 2 & 3 closed Floppy drive disabled J1 pins 1 & 2 closed » Hard drive port address is J2 pins 2 & 3 1F0-1F7h closed Hard drive port address is J2 pins 1 & 2 170-177h closed » Floppy drive booting sequence J3 pins 2 & 3 is A:/B: closed Floppy drive booting sequence J3 pins 1 & 2 is B:/A: closed » Hard drive enabled J4 pins 2 & 3 closed Hard drive disabled J4 pins 1 & 2 closed » Hard drive port address is J5 pins 2 & 3 1F0-1F7, 3F0-3F7h closed Hard drive port address is J5 pins 1 & 2 170-177, 370-377h closed USER CONFIGURABLE SETTINGS Function Location Setting » Game Port (CN6) enabled J12 pins 2 & 3 closed Game Port (CN6) disabled J12 pins 1 & 2 closed » Local bus clock speed 33 MHz or J16 pins 2 & 3 50 MHz closed Local bus clock speed 25 MHz or J16 pins 1 & 2 40 MHz closed » Single hard drive supported JP5 closed Two hard drives supported JP5 open » Parallel port is bi-directional JP7 closed Parallel port is uni-directional JP7 open » Hard drive Interrupt IRQ14 JP10 closed enabled Hard drive Interrupt IRQ14 JP10 open disabled » Serial Port 2 (JP8) Interrupt JP11 closed IRQ3 enabled Serial Port 2 (JP8) Interrupt JP11 open IRQ3 disabled » Serial Port 1 (CN1) Interrupt JP12 closed IRQ4 enabled Serial Port 1 (CN1) Interrupt JP12 open IRQ4 disabled » Floppy drive Interrupt IRQ6 JP13 closed enabled Floppy drive Interrupt IRQ6 JP13 open disabled PARALLEL PORT (CN2) CONFIGURATION LPT J6 J7 » LPT1 (378-37Fh) pins 2 & 3 closed pins 2 & 3 closed LPT2 (278-27Fh) pins 1 & 2 closed pins 1 & 2 closed LPT3 (3BC-3BEh) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 2 & 3 closed SERIAL PORT 1 (CN1) CONFIGURATION COM J8 J9 » COM1 (3F8-3FFh) pins 2 & 3 closed pins 2 & 3 closed COM3 (3E8-3EFh) pins 1 & 2 closed pins 1 & 2 closed COM4 (2E8-2EFh) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 2 & 3 closed SERIAL PORT 2 (JP8) CONFIGURATION COM J10 J11 » COM2 (2F8-2FFh) pins 2 & 3 closed pins 2 & 3 closed COM3 (3E8-3EFh) pins 2 & 3 closed pins 1 & 2 closed COM4 (2E8-2EFh) pins 1 & 2 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 2 & 3 closed HARD DRIVE TIMING OPTION Function J15 JP17 » VESA mode enabled pins 2 & 3 closed open ISA mode enabled pins 1 & 2 closed closed PARALLEL PORT (CN2) INTERRUPT REQUEST IRQ JP14 JP15 5 closed open 7 open closed » Disabled open open MISCELLANEOUS TECHNICAL NOTES Jumpers JP16 & JP18 are not used.