TULIP COMPUTERS TULIP VISION LINE DT 486SX-25/DT 486DX-33I/DT 486DX-50I/ DT 486DX-66I/DT 486SX-33/DC 486SX-25/DC 486DX-33I/ WS 486SX-25/WS 486DX-33I Processor 80486SX/80487SX/80486DX/80486DX2/OverDrive DX2/OverDrive DX2 R Processor Speed 25/33/50 (internal)/66iMHz Chip Set Unidentified Max. Onboard 20MB DRAM Cache None BIOS Unidentified Dimensions 280mm x 254mm I/O Options Parallel port, serial ports (2), VGA port, VGA feature connector, floppy drive interface, IDE interface NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 J1 VGA port J6 LED, speaker, & battery J2 VGA feature connector J9 IDE interface J3 Floppy drive interface J10 Serial port 2 J4 Extra fan connector J13 Parallel port J5 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select internal J14 Open Battery type select external J14 Closed » Parallel mode bidirectional J15 pins 2 & 3 closed Parallel mode unidirectional J15 pins 1 & 2 closed » Factory configured - do not alter J17 pins 2 & 3 closed » PQFP CPU enabled J18 pins 2 & 3 closed PQFP CPU disabled J18 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 4MB 4MB NONE 8MB 4MB (4) 1MB x 9 20MB 4MB (4) 4MB x 9 Note:Bank 0 is factory installed on the board and can not be changed. Its exact location and configuration is unidentified. VRAM CONFIGURATION Size Bank 0 U6 512KB 512KB NONE 1MB 512KB (1) 512K x 8 ZIP Note:Bank 0 is factory installed on the board and can not be changed. Its exact location and configuration is unidentified.