FIRST INTERNATIONAL COMPUTER, INC. 386-20/25V Processor 80386DX Processor Speed 20/25MHz Chip Set Symphony Max. Onboard DRAM 8MB Cache None BIOS Award/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit external memory card slot NPU Options 80387/3167 [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J12 Power LED & keylock J15 Speaker J13 32-bit external memory S1 card Turbo LED J14 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J3 Open alter » Factory configured - do not J4 Open alter » Memory select 2 wait states/ J5 Closed I/O select 6 wait states Memory select 1 wait state/ I/O J5 Open select 4 wait states BIOS type select 27256 J6 pins 1 & 2 closed BIOS type select 27512 J6 pins 2 & 3 closed CPU speed select 20MHz J9 Open CPU speed select 25MHz J9 Closed » CPU speed select switchable J15 pins 2 & 3 from keyboard closed CPU speed select fast J15 pins 1 & 2 closed CPU speed select slow J15 Open Bus speed select iOSC/2 J17 pins 1 & 2 closed Bus speed select 8MHz J17 pins 2 & 3 closed » Shadow RAM enabled SW1/switch 6 closed Shadow RAM disabled SW1/switch 6 open DRAM read select 2 wait SW1/switch 7 closed states/write select 2 wait states SW1/switch 8 closed DRAM read select 2 wait SW1/switch 7 closed states/write select 1 wait state SW1/switch 8 open DRAM read select 1 wait SW1/switch 7 open state/write select 1 wait state SW1/switch 8 open NPU enabled SW1/switch 9 closed NPU disabled SW1/switch 9 open » Monitor type select monochrome SW1/switch 10 open Monitor type select color SW1/switch 10 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 3MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 NONE 4MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE NONE NONE 6MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 10MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 Note:Banks 2 & 3 are utilized when a 32-bit external memory card is installed at S1. DRAM JUMPER/SWITCH CONFIGURATION Size J7 SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 1MB 2 & 3 Off Off Off Off Off 2MB 2 & 3 On Off Off Off Off 3MB 2 & 3 Off On Off Off Off 4MB 2 & 3 On On Off Off Off 4MB 1 & 2 Off Off On On On 6MB 2 & 3 Off On On Off Off 8MB 1 & 2 On Off On On On 10MB 2 & 3 On On On Off Off 12MB 1 & 2 Off On On On On 16MB 1 & 2 On On On On On Note:Pins designated should be in the closed position. DRAM READ/WRITE CONFIGURATION Wait state Read state SW1/7 SW1/8 2 2 On On 2 1 On Off 1 1 Off Off