DD & TT ENTERPRISE USA COMPANY DT-LB2AL Processor 80386DX/CX486DLC/80486SX/80487SX/80486DX ODP486SX/80486DX2/ODP586SX Processor Speed 20/25/33/40/50(internal)/50/66(internal) MHz Chip Set Symphony Max. onboard DRAM 32MB Cache 64/256KB BIOS AMI Dimensions 330mm x 220mm I/O Options Floppy drive interface, game port, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port NPU Options 80387DX/CX487DLC [Image] CONNECTIONS Purpose Location Purpose Location VGA port C1 IDE interface J12 Parallel port C2 Speaker J13/pins 1, 3, 5, 7 Serial port B C3 Power LED & J13/pins 2, 4, keylock 6, 8, 10 Serial port A C4 Reset switch J14/pins 1 & 2 PS/2 mouse port C5 Turbo switch J14/pins 3 & 4 Game port J9 Turbo LED J14/pins 5 & 6 VGA feature J10 IDE interface LED J14/pins 7 & 8 connector Floppy drive J11 Riser card S1 interface USER CONFIGURABLE SETTINGS Function Jumper Position » PS/2 mouse port enabled E9 Open PS/2 mouse port disabled E9 Closed » CMOS memory normal operation E13 Open CMOS memory clear E13 Closed » Onboard speaker enabled J13 pins 1 & 3 closed Onboard speaker disabled J13 pins 1 & 3 open SERIAL PORT A (C4) CONFIGURATION COM Interrupt Address E2/pins E2/pins E2/Pins 7 1, 3, & 2, 4, & & 8 5 6 » COM1 IRQ4 3F8h pins 3 & pins 2 & Closed 5 closed 4 closed COM3 IRQ4 3E8h pins 1 & pins 4 & Closed 3 closed 6 closed COM4 IRQ3 2E8h pins 3 & pins 4 & Open 5 closed 6 closed Disabled N/A N/A pins 1 & pins 2 & Open 3 closed 4 closed SERIAL PORT B (C3) CONFIGURATION COM Interrupt Address E1/pins E1/pins E1/Pins 7 1, 3, & 2, 4, & & 8 5 6 » COM2 IRQ3 2F8h pins 3 & pins 2 & Closed 5 closed 4 closed COM3 IRQ4 3E8h pins 1 & pins 4 & Closed 3 closed 6 closed COM4 IRQ3 2E8h pins 3 & pins 4 & Open 5 closed 6 closed Disabled N/A N/A pins 1 & pins 2 & Open 3 closed 4 closed PARALLEL PORT (C2) CONFIGURATION LPT Interrupt Address E4/1,3,&5 E4/2,4,&6 E4/7&8 E4/9&10 » LPT1 IRQ7 378h pins 3 & pins 2 & Closed Open 5 4 LPT1 IRQ5 378h pins 3 & pins 2 & Open Closed 5 4 LPT2 IRQ7 278h pins 1 & pins 2 & Closed Open 3 4 LPT2 IRQ5 278h pins 1 & pins 4 & Open Closed 3 6 LPT3 IRQ7 278h pins 1 & pins 4 & Closed Open 3 6 LPT3 IRQ5 278h pins 1 & pins 4 & Open Closed 3 6 Disabled N/A N/A pins 1 & pins 2 & Open Open 3 4 Notes:Pins designated should be in the closed position. In order for LPT3 to be selected, a Hercules monographics card with an active parallel port must be present. FLOPPY DRIVE INTERFACE CONFIGURATION I/O Address E3/pins 1, 3, 5, 7, 9, 11 » 3F0-3F7 pins 3 & 5, 7 & 9 closed 370-377 pins 3 & 5, 9 & 11 closed Disabled pins 1 & 3 closed IDE INTERFACE CONFIGURATION I/O Address E3/pins 2, 4, 6, 8, 10, 12 » 3F0-3F7, 1F0-1F7 pins 4 & 6, 8 & 10 closed 370-377, 170-177 pins 4 & 6, 10 & 12 closed Disabled pins 2 & 4 closed ONBOARD VGA PORT CONFIGURATION Function Jumper Position » Onboard VGA enabled E6 pins 1 & 2, 3 & 4 closed Onboard VGA disabled E6 pins 1 & 2, 3 & 4 open » Onboard VGA memory 512KB E6 pins 13 & 14 closed Onboard VGA memory 1MB E6 pins 13 & 14 open ONBOARD VGA VIDEO MODE CONFIGURATION (800X600 RESOLUTION) Refresh Rate Mode E6/pins 9 & 10 E6/pins 11 & 12 56Hz Non-Interlaced Open Open 56Hz Non-Interlaced Closed Closed 60Hz Non-Interlaced Closed Open 72Hz Non-Interlaced Open Closed ONBOARD VGA VIDEO MODE CONFIGURATION (1024 X 768 RESOLUTION) Refresh Rate Mode E6/pins 5 & 6 E6/pins 7 & 8 43.5Hz Interlaced Open Open 43.5Hz Interlaced Closed Closed 60Hz Non-Interlaced Closed Open 70Hz Non-Interlaced Open Closed BIOS CONFIGURATION Function Jumper Position » BIOS ROM 1MB E5 pins 1 & 3 closed BIOS ROM 2MB E5 pins 3 & 5 closed » Flash BIOS program mode E5 pins 2 & 4, 7 & 9, enabled 8 & 10 Flash BIOS program mode E5 pins 4 & 5, 9 & 11, disabled 10 & 12 CACHE CONFIGURATION Size Max Cachable Cache TAG 64KB 8MB (8) 8K x 8 (1) 32K x 8 256KB 32MB (8) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size E11 64KB pins 3 & 5, 4 & 6 closed 256KB pins 1 & 3, 2 & 4, 7 & 8, 9 & 10, 11 & 12 closed 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 5MB (4) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 CPU TYPE CONFIGURATION CPU Type E10 E14 80386DX PQFP/PGA pins 3 & 4, 9 & 11, N/A 10 & 12 80486SX PQFP pins 1 & 2, 5 & 6, pins 1 & 2 closed 7 & 9, 8 & 10 80486SX PGA pins 1 & 2, 5 & 6, pins 2 & 3 closed 7 & 9, 8 & 10 80487SX PGA pins 1 & 2, 5 & 6, pins 1 & 2, 3 & 4, 7 & 7 & 9, 8 & 10 8 closed ODP486SX PGA pins 1 & 2, 5 & 6, pins 1 & 2, 3 & 4, 7 & 7 & 9, 8 & 10 8 closed 80486DX PQFP pins 1 & 2, 5 & 6, pins 1 & 2, 3 & 4, 5 & 7 & 9, 8 & 10 6 closed 80486DX PGA pins 1 & 2, 5 & 6, pins 1 & 2, 3 & 4, 5 & 7 & 9, 8 & 10 6 closed 80486DX2 PGA pins 1 & 2, 5 & 6, pins 1 & 2, 3 & 4, 5 & 7 & 9, 8 & 10 6 closed ODP586SX PGA pins 1 & 2, 5 & 6, pins 1 & 2, 3 & 4, 5 & 7 & 9, 8 & 10 6 closed Note:Pins designated should be in the closed position. CPU SPEED CONFIGURATION CPU Speed E7 E8 E12 20MHz pins 1 & 2 pins 1 & 2 pins 3 & 5, 4 & 6 25MHz pins 1 & 2 pins 3 & 4, 5 & pins 3 & 5, 4 & 6 6 33MHz pins 1 & 2 pins 3 & 4 pins 3 & 5, 4 & 6 40MHz pins 1 & 2 pins 5 & 6 pins 3 & 5, 4 & 6 50MHz pins 2 & 3 pins 3 & 4, 5 & pins 1 & 3, 2 & 6 4 Note:Pins designated should be in the closed position.