ACTION INSTRUMENTS FF486SX/FF486DX Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 16/20/25/33/50(internal)/50/66(internal)MHz Chip Set ACC Micro Max. onboard 32MB DRAM SRAM Cache None BIOS Phoenix Dimensions 337mm x 132mm I/O Options Floppy drive interface, IDE interface, parallel port, serial port (2), VGA port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED J5 Serial Port (COM2) P4 IDE interface P1 LCD panel connector P6 Floppy drive interface P2 VGA port P7 Serial Port (COM1) P3 Parallel port P8 PIN OUT CONFIGURATION P5 Function Pin Power good signal detect from board 1 Keyboard ground 2 + Keyboard clock 3 + 5Vdc 4 + Keyboard data 5 Ground 6 Reset switch 7 Keyboard inhibit switch 8 Speaker 9 & 10 Not used 11 & 12 USER CONFIGURABLE SETTINGS Function Jumper Position » IDE LED select LED with series J1 pins 1 & 2 resistor (all action instruments. chassis) IDE LED select LED only J1 pins 2 & 3 » IDE interface enabled J2 pins 2 & 3 IDE interface disabled J2 pins 1 & 2 » Floppy drive interface select J3A pins 2 & 3 normal Floppy drive interface select J3A pins 1 & 2 encoded » Floppy drive interface enabled J3B pins 2 & 3 Floppy drive interface disabled J3B pins 1 & 2 » J3A - J3G jumpers enabled J3H pins 1 & 2 J3A - J3G jumpers disabled (All J3 J3H pins 2 & 3 settings go to default) » Watch Dog timer delay 1.2 second J4 pins 1 & 2 Watch Dog timer delay 150ms delay J4 pins 2 & 3 Watch Dog timer delay 600ms delay J4 Open » Watch Dog timer enabled J4A pins 1 & 2 Watch Dog timer disabled J4A pins 2 & 3 » Factory configured - do not alter J6 Open » Monitor type select color J7 Closed Monitor type select monochrome J7 Open » Parallel port select J9 pins 2 & 3 uni-directional (printer) Parallel port select J9 pins 1 & 2 bi-directional » Bus cycle lock enabled J14 Closed Bus cycle lock disabled J14 Open » Last cycle burst enabled J17 Closed Last cycle burst disabled J17 Open » Factory configured - do not alter J18 Closed » IRQ select Internal CRT interrupt J20 pins 1 & 2 IRQ select AT bus J20 pins 2 & 3 Note:Pins designated should be in the closed position. DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 FLASH MEMORY CONFIGURATION Address J19/pins 1 & 2 J19/pins 3 & 4 C0000-C7FFF Open Open C8000-CFFFF Open Closed D0000-D7FFF Closed Open D8000-DFFFF Closed Closed SERIAL PORT CONFIGURATION UART 1/P3 UART 2/P4 J3C J3D J3E COM1 COM2 pins 2 & 3 pins 2 & 3 pins 2 & 3 Disable COM2 pins 2 & 3 pins 2 & 3 pins 1 & 2 COM1 Disable pins 2 & 3 pins 1 & 2 pins 2 & 3 Disable Disable pins 2 & 3 pins 1 & 2 pins 1 & 2 COM2 COM1 pins 1 & 2 pins 2 & 3 pins 2 & 3 Disable COM1 pins 1 & 2 pins 2 & 3 pins 1 & 2 COM2 Disable pins 1 & 2 pins 1 & 2 pins 2 & 3 Disable Disable pins 1 & 2 pins 1 & 2 pins 1 & 2 Note:Pins designated should be in the closed position. PARALLEL PORT CONFIGURATION LPT ADDRESS J3F J3G » LPT1 378h pins 2 & 3 pins 2 & 3 closed closed LPT2 278h pins 1 & 2 pins 2 & 3 closed closed LPT3 3BCh pins 2 & 3 pins 1 & 2 closed closed Disabled N/A pins 1 & 2 pins 1 & 2 closed closed LCD PANEL TYPE/PLASMA PANEL LCD TYPE J8/pins 1 & 2 J8/pins 3 & 4 0 Open Open 1 Open Closed 2 Closed Open 3 Closed Closed CPU TYPE CONFIGURATION CPU Type J12 J13 80486SX pins 2 & 3 closed pins 2 & 3 closed 80487SX pins 1 & 2, 3 & 4 pins 3 & 4 closed closed 80486DX pins 1 & 2, 3 & 4 pins 3 & 4 closed closed 80486DX2 pins 1 & 2, 3 & 4 pins 3 & 4 closed closed