TYAN COMPUTER CORPORATION S1372 (REV. 1.0) Data bus: 16-bit, ISA Size: Half-length, half-height card Hard drive supported: Two IDE (AT) interface drives Floppy drives supported: Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives [Image] CONNECTIONS Function Location 25-pin parallel port CN1 10-pin serial port 2 - internal CN2 9-pin serial port 1 - external CN3 Game port CN4 40-pin IDE (AT) Interface connector CN5 34-pin control cable connector - floppy drive CN6 4-pin connector - drive active LED CN7 14-pin connector - Custom IRQ Header CN8 USER CONFIGURABLE SETTINGS Function Location Setting » Game port enabled J6 closed Game port disabled J6 open » IDE IRQ14 enabled J22 pins 2 & 3 closed IDE IRQ15 enabled J22 pins 1 & 2 closed » Factory configured - do not J50 n/a alter SERIAL PORT 1 CONFIGURATION COM/Address J14 J15 » COM1/3F8h pins 2 & 3 closed pins 2 & 3 closed COM2/2F8h pins 2 & 3 closed pins 1 & 2 closed SERIAL PORT 1 CONFIGURATION COM/Address J14 J15 COM3/3E8h pins 1 & 2 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 2 CONFIGURATION COM/Address J16 J17 » COM2/2F8h pins 2 & 3 closed pins 2 & 3 closed COM1/3F8h pins 2 & 3 closed pins 1 & 2 closed COM4/2E8h pins 1 & 2 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORTS 1 & 2 INTERRUPT SELECT Port 1 Port 2 J1 J2 J3 J4 » IRQ4 IRQ3 open closed closed open IRQ4 Disabled open closed open open Disabled IRQ3 open open closed open IRQ3 IRQ4 open J2 pin 1 Open to J3 pin 1 closed, and J2 pin 2 to J3 pin 2 closed IRQ3 Disabled open J2 pin 1 Open to J3 pin 1 closed Disabled IRQ4 open J2 pin 2 Open to J3 pin 2 closed IRQ5 IRQ3 open closed J3 pin 2 to J4 pin 2 closed IRQ5 Disabled open open J3 pin 2 to J4 pin 2 closed IRQ4 IRQ5 J1 pin 2 closed open to J2 pin 2 closed Disabled IRQ5 J1 pin 2 open open to J2 pin 2 closed PARALLEL PORT CONFIGURATION LPT/Address J18 J19 » LPT1/378h pins 2 & 3 closed pins 2 & 3 closed LPT2/278h pins 2 & 3 closed pins 1 & 2 closed LPT3/3BCh pins 1 & 2 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 2 & 3 closed PARALLEL PORT INTERRUPT SELECT IRQ J4 J5 » IRQ7 open closed IRQ5 closed open Disabled open open ADVANCED PARALLEL PORT FUNCTIONS Setting J23 J24 » Standard PRN mode only pins 2 & 3 closed pins 2 & 3 closed enabled ECP, EPP and PRN modes pins 1 & 2 closed pins 1 & 2 closed enabled EPP and PRN modes enabled pins 1 & 2 closed pins 2 & 3 closed ECP and PRN modes enabled pins 2 & 3 closed pins 1 & 2 closed Note:ECP = Extended Capabilities Mode, EPP = Enhanced Parallel Port. EXTENDED CAPABILITIES PORT (ECP) DMA SELECT DMA J7 J8 J9 J10 J11 » Disabled open open open open open DMA1 closed open open closed closed DMA3 closed closed closed open open Note:DMA3 is the preferred setting when the ECP mode is enabled. FLOPPY DRIVE CONFIGURATION Address J12 J13 » 3F0h pins 2 & 3 closed pins 1 & 2 closed 370h pins 1 & 2 closed pins 1 & 2 closed Disabled N/A pins 2 & 3 closed IDE PORT CONFIGURATION Address J20 J21 » 1F0h pins 2 & 3 closed pins 2 & 3 closed 170h pins 1 & 2 closed pins 2 & 3 closed Disabled N/A pins 1 & 2 closed MISCELLANEOUS TECHNICAL NOTES CN8 is used to configure the card to comply with the PCI IDE Legacy convention. A special cable is required to connect to applicable hard drives.