TULIP COMPUTERS
DE/DS TULIP 486 ISA (TC39)
| 
 Processor  | 
 80486SX/80486DX/80486DX2  | 
| 
 Processor Speed  | 
 33/50(internal)/66(internal)MHz  | 
| 
 Chip Set  | 
 Texas Instruments  | 
| 
 Max. Onboard DRAM  | 
 52MB  | 
| 
 Cache  | 
 256KB  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA feature connector, VGA port  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Video feature connector  | 
 CN1  | 
 VGA port  | 
 J10  | 
| 
 Serial ports 1 & 2  | 
 CN2  | 
 LED flat cable, speaker & battery  | 
 J13  | 
| 
 IDE interface  | 
 J2  | 
 Parallel port  | 
 J19  | 
| 
 Floppy drive interface  | 
 J3  | 
 Chassis fan power  | 
 J21  | 
| 
 DRAM CONFIGURATION  | |||
| 
 Expansion from:  | 
 Expansion to:  | 
 Bank 0  | 
 Bank 1  | 
| 
 4MB  | 
 8MB  | 
 (1) 1M x 36  | 
 None  | 
| 
 4MB  | 
 12MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 4MB  | 
 12MB  | 
 (1) 2M x 36  | 
 None  | 
| 
 4MB  | 
 16MB  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
| 
 4MB  | 
 20MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 4MB  | 
 20MB  | 
 (1) 4M x 36  | 
 None  | 
| 
 4MB  | 
 24MB  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 4MB  | 
 28MB  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
| 
 4MB  | 
 36MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 4MB  | 
 36MB  | 
 (1) 8M x 36  | 
 None  | 
| 
 4MB  | 
 40MB  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
| 
 4MB  | 
 44MB  | 
 (1) 2M x 36  | 
 (1) 8M x 36  | 
| 
 4MB  | 
 52MB  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
| 
 N/A  | 
 64MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 Note:4MB is internal memory and is not configurable. When 8M x 36 simms are installed, the 4MB internal memory is disabled.  | |||
| 
 CACHE CONFIGURATION  | |
| 
 Expansion to:  | 
 Bank 0  | 
| 
 256 KB  | 
 (9) 32K x 8  | 
| 
 VRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (2) 256K X 16  | 
 None  | 
| 
 2MB  | 
 (2) 256K X 16  | 
 (2) 256K X 16  | 
| 
 Note:Bank 0 is factory installed and is not configurable.  | ||