INFORMTECH INTERNATIONAL, INC. IT386 Processor 80386SX Processor Speed 25/33MHz Chip Set TI Max. Onboard DRAM 16MB (12MB on external memory card) Cache 32KB BIOS Phoenix Dimensions 318mm x 220mm I/O Options Auxiliary keyboard connector, external memory card (IT-FEM386) NPU Options 80387SX/3167 [Image] CONNECTIONS Purpose Location Purpose Location Turbo switch J8 Power LED & keylock P5 Turbo LED P2 Auxiliary keyboard P20 connector Speaker P3 External battery P22 Reset switch P4 External memory card SL1 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Turbo enabled J8 Open Turbo disabled J8 Closed » AT bus clock speed select J14 pins 2 & 3 8MHz closed AT bus clock speed select J14 pins 1 & 2 12MHz closed » Power good signal detect from J18 pins 1 & 2 power supply closed Power good signal detect from J18 pins 2 & 3 board closed » External memory card not J25 pins 1 & 2 installed closed External memory card J25 pins 2 & 3 installed closed » 80387 disabled (Weitek 3167 SW1/1 Off is auto detected) 80387 enabled (Weitek 3167 is SW1/1 On auto detected) » Monitor type select SW1/2 Off monochrome Monitor type select SW1/2 On color/EGA/VGA DRAM CONFIGURATION Size Bank 0 1MB (4) 256K x 9 4MB (4) 1M x 9 DRAM JUMPER CONFIGURATION Size J1 J12 J13 1MB pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 4MB pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed CACHE CONFIGURATION Note: 32KB cache is factory installed and is not configurable. The location is unidentified. DRAM SPEED CONFIGURATION CPU speed DRAM speed J7 25MHz 120ns Closed 25MHz 100ns Open 33MHz 100ns Closed 33MHz 80ns Open CPU SPEED CONFIGURATION CPU speed NPU speed J4 J5 J6 J9 25MHz 20MHz 2 & 3 1 & 3, 2 2 & 3 2 & 3 & 4 25MHz 25MHz 2 & 3 2 & 4 1 & 2 2 & 3 33MHz 25MHz 1 & 2 1 & 2 2 & 3 1 & 2 33MHz 33MHz 1 & 2 Open 1 & 2 1 & 2 Note: Pins designated should be in the closed position. I/O MODE CONFIGURATION I/O bus I/O wait I/O wait state SW1/3 SW1/4 mode state 8-bit 16-bit 1 4 1 On On 2 6 2 Off On 3 8 3 On Off 4 10 4 Off Off BATTERY TYPE CONFIGURATION Type J19 4.5v pins 3 & 4 closed 3.6 - 4.5v pins 1 & 3 closed 6v (without internal current pins 1 & 2 closed limiting resistor) 6v (with internal current limiting pins 2 & 4 closed resistor)