DIAMOND FLOWER, INC. 386SX-25/33DNB/DCB AIO Processor 80386SX Processor Speed 25/33MHz Chip Set Diamond Flower/Acer Max. Onboard DRAM 16MB SRAM Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, riser card slot, serial ports (2) VGA feature connector, VGA port NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location IDE interface CN1 Keyboard connector JP3 Floppy drive CN2 Turbo LED JP4 interface VGA Feature CN3 Turbo switch JP5 connector Serial port (COM2) CN7 Reset switch JP6 VGA port CN8 IDE interface LED JP7 Parallel port CN9 Power LED & keylock JP8 PS/2 mouse port CN10 External battery JP17 Serial port (COM1) CN11 Riser Card S1 Speaker JP2 Note: JP5 is located on the 386SX-25DNB/DCB AIO system board only. JP38 is located on the 386SX-33DNB/DCB AIO system board only. USER CONFIGURABLE SETTINGS Function Jumper Position » Speaker select internal JP1 pins 1 & 2 closed Speaker select external JP1 pins 2 & 3 closed » Monitor type select color JP13 closed Monitor type select monochrome JP13 open » Factory configured - do not alter JP14 pins 1 & 2 closed » Factory configured - do not alter JP15 pins 2 & 3 closed » Battery select external JP16 pins 2 & 3 closed Battery select internal JP16 pins 1 & 2 closed » Parallel port select IRQ7 JP24 pins 1 & 2 closed Parallel port select IRQ5 JP24 pins 2 & 3 closed » Factory configured - do not alter JP30 pins 1 & 2 closed » Floppy disk drive enabled JP31 closed Floppy disk drive disabled JP31 open » IDE interface enabled JP32 pins 1 & 2 closed IDE interface disabled JP32 pins 2 & 3 closed » Factory configured - do not alter JP37 Open » Factory configured - do not alter JP38 N/A DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB (2) 256K x NONE NONE NONE 9 1MB (2) 256K x (2) 256K x NONE NONE 9 9 1.5MB (2) 256K x (2) 256K x (2) 256K x NONE 9 9 9 2MB (2) 1M x 9 NONE NONE NONE 2MB (2) 256K x (2) 256K x (2) 256K x (2) 256K x 9 9 9 9 2.5MB (2) 1M x 9 (2) 256K x NONE NONE 9 3MB (2) 1M x 9 (2) 256K x (2) 256K x NONE 9 9 4MB (2) 1M x 9 (2) 1M x 9 NONE NONE 4.5MB (2) 1M x 9 (2) 1M x 9 (2) 256K x NONE 9 5MB (2) 1M x 9 (2) 1M x 9 (2) 256K x (2) 256K x 9 9 6MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 NONE 8MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 8MB (2) 4M x 9 NONE NONE NONE 10MB (2) 4M x 9 (2) 1M x 9 NONE NONE 16MB (2) 4M x 9 (2) 4M x 9 NONE NONE SERIAL PORT CONFIGURATION COM1 (CN11) COM2 (CN7) JP27 JP28 JP29 » COM1 COM2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed COM1 Disabled Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed COM2 COM1 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed COM2 Disabled Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed Disabled COM1 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed Disabled COM2 Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed Disabled Disabled Open Pins 2 & 3 Pins 2 & 3 closed closed SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION COM1 JP33 JP34 JP35 » Normal Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed Forced True Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION COM2 JP21 JP22 JP23 » Normal Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed Forced True Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed SERIAL PORT'S DTE/DCE CONFIGURATION Primary serial port CN5 Secondary serial port CN4 [Image] [Image] PARALLEL PORT CONFIGURATION LPT JP25 JP26 » 1 Pins 2 & 3 closed Pins 1 & 2 closed 2 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 1 & 2 closed Pins 2 & 3 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed LOCAL BUS VGA CONFIGURATION Mode JP18 JP19 JP20 JP36 » Enabled Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed closed Disabled Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed closed