AST RESEARCH, INC.
MID-SIZE BRAVO 486/33 (MODEL 202385-002)
| 
 Processor  | 
 80486DX  | 
| 
 Processor Speed  | 
 33MHz  | 
| 
 Chip Set  | 
 AST  | 
| 
 Max. Onboard DRAM  | 
 16MB  | 
| 
 SRAM Cache  | 
 None  | 
| 
 BIOS  | 
 AST  | 
| 
 Dimensions  | 
 340mm x 245mm  | 
| 
 I/O Options  | 
 Bus mouse port, floppy drive interface IDE interface, parallel port, serial port (2), SVGA port  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 SVGA port  | 
 CN1  | 
 Floppy drive interface  | 
 J24  | 
| 
 Bus mouse port  | 
 CN2  | 
 External battery  | 
 J26  | 
| 
 Serial port 1 (COM1)  | 
 CN3  | 
 Speaker  | 
 J27  | 
| 
 Parallel port  | 
 CN4  | 
 Fan power  | 
 J28  | 
| 
 VGA pass-through  | 
 J19  | 
 Front panel switches & LEDs  | 
 P29  | 
| 
 Serial port 2 (COM2)  | 
 J20  | 
 IDE interface LED  | 
 J40  | 
| 
 IDE interface  | 
 J22  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| » | 
 Parity check enabled  | 
 E1  | 
 closed  | 
| 
 Parity check disabled  | 
 E1  | 
 open  | |
| » | 
 Factory configured - do not alter  | 
 E2  | 
 pins 2 & 3 closed  | 
| » | 
 Factory configured - do not alter  | 
 E3  | 
 pins 2 & 3 closed  | 
| » | 
 VGA port enabled  | 
 SW1/switch 1  | 
 closed  | 
| 
 VGA port disabled  | 
 SW1/switch 1  | 
 open  | |
| » | 
 Password check enabled  | 
 SW1/switch 2  | 
 open  | 
| 
 Password check disabled  | 
 SW1/switch 2  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 SW1/switch 3  | 
 open  | 
| » | 
 Factory configured - do not alter  | 
 SW1/switch 4  | 
 open  | 
| » | 
 Factory configured - do not alter  | 
 SW1/switch 5  | 
 closed  | 
| » | 
 Factory configured - do not alter  | 
 SW1/switch 6  | 
 closed  | 
| » | 
 Monitor type select PS/2 style  | 
 SW1/switch 7  | 
 closed  | 
| 
 Monitor type select AT style  | 
 SW1/switch 7  | 
 open  | |
| » | 
 Monitor type select VGA or fixed-frequency  | 
 SW1/switch 8  | 
 open  | 
| 
 Monitor type select multi-frequency  | 
 SW1/switch 8  | 
 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 8MB  | 
 (2) 4M x 9  | 
 NONE  | 
| 
 10MB  | 
 (2) 4M x 9  | 
 (2) 1M x 9  | 
| 
 16MB  | 
 (2) 4M x 9  | 
 (2) 4M x 9  | 
| 
 VRAM CONFIGURATION  | |
| 
 Size  | 
 VRAM  | 
| 
 256KB  | 
 NONE  | 
| 
 512KB  | 
 (2) 44256  |