DELL COMPUTER CORPORATION
SYSTEM V486/XX MDT
| 
 Processor  | 
 80486SX/80487SX/80486DX/80486DX2  | 
| 
 Processor Speed  | 
 25/33/50(internal)/66(internal)MHz  | 
| 
 Chip Set  | 
 Headland  | 
| 
 Max. Onboard DRAM  | 
 64MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Parallel port connector  | 
 CN1  | 
 IDE interface  | 
 CN5  | 
| 
 Serial port 1  | 
 CN2  | 
 VGA connector  | 
 CN6  | 
| 
 Serial port 2  | 
 CN2  | 
 Fan connector  | 
 CN7  | 
| 
 PS/2 mouse port  | 
 CN3  | 
 IDE interface LED  | 
 CN8  | 
| 
 Floppy drive interface  | 
 CN4  | 
 External battery connector  | 
 CN9  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Mouse connector enabled at IRQ12  | 
 J1  | 
 Closed  | 
| 
 Mouse connector disabled  | 
 J1  | 
 Open  | |
| 
 »  | 
 Factory configured do not alter  | 
 J2  | 
 Closed  | 
| 
 »  | 
 Factory configured do not alter  | 
 J3  | 
 Open  | 
| 
 »  | 
 Factory configured do not alter  | 
 J4  | 
 Closed  | 
| 
 »  | 
 Enables password feature  | 
 J5  | 
 Closed  | 
| 
 Disables password feature  | 
 J5  | 
 Closed  | |
| 
 »  | 
 Enables on-board VGA controller  | 
 J6  | 
 Closed  | 
| 
 Disables on-board VGA controller  | 
 J6  | 
 Open  | |
| 
 »  | 
 Factory configured do not alter  | 
 J7  | 
 Open  | 
| 
 »  | 
 Factory configured do not alter  | 
 J10  | 
 Open  | 
| 
 »  | 
 Factory configured do not alter  | 
 J11  | 
 Open  | 
| 
 CPU SPEED CONFIGURATION  | ||
| 
 Speed  | 
 J8  | 
 J9  | 
| 
 25MHz  | 
 Open  | 
 Closed  | 
| 
 33MHz  | 
 Closed  | 
 Open  | 
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 12MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 20MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 24MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 28MB  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 32MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 36MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 40MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 52MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 VRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256 x 4  | 
 NONE  | 
| 
 2MB  | 
 (4) 256 x 4  | 
 (4) 256 x 4  | 
| 
 Note:Bank 0 is factory installed and not configurable.  | ||