NORTHGATE COMPUTER SYSTEMS, INC.
SLIMLINE 320
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 20MHz  | 
| 
 Chip Set  | 
 C & T  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port  | 
| 
 NPU Options  | 
 80387  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Reset switch  | 
 J2  | 
 Floppy drive interface  | 
 J16  | 
| 
 Turbo LED  | 
 J6  | 
 IDE interface  | 
 J17  | 
| 
 Power LED & keylock  | 
 J8  | 
 VGA port  | 
 J21  | 
| 
 Serial port 2  | 
 J13  | 
 IDE interface LED  | 
 J23  | 
| 
 Serial port 1  | 
 J14  | 
 Riser card  | 
 R1  | 
| 
 Parallel port  | 
 J15  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 J1  | 
 Closed  | 
| » | 
 VGA onboard BIOS enabled  | 
 J3  | 
 pins 2 & 3 closed  | 
| 
 VGA onboard BIOS disabled  | 
 J3  | 
 pins 1 & 2 closed  | |
| » | 
 VGA port enabled  | 
 J4  | 
 Closed  | 
| 
 VGA port disabled  | 
 J4  | 
 Open  | |
| » | 
 CPU speed select switchable at turbo switch (boot-up fast)  | 
 J7  | 
 Open  | 
| 
 CPU speed select slow  | 
 J7  | 
 pins 2 & 3 closed  | |
| 
 Monitor type select monochrome  | 
 J9  | 
 pins 1 & 2 closed  | |
| 
 Monitor type select color  | 
 J9  | 
 pins 2 & 3 closed  | |
| » | 
 Factory configured - do not alter  | 
 J10  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 J18  | 
 Closed  | 
| » | 
 Factory configured - do not alter  | 
 J19  | 
 Closed  | 
| » | 
 Factory configured - do not alter  | 
 J20  | 
 Closed  | 
| » | 
 Factory configured - do not alter  | 
 J24  | 
 Open  | 
| » | 
 Factory configured - do not alter  | 
 SW1 pins 3 & 4  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 SW1 pins 5 & 6  | 
 N/A  | 
| » | 
 Factory configured - do not alter  | 
 SW1 pins 7 & 8  | 
 N/A  | 
| » | 
 Serial port 1 enabled  | 
 SW3 pins 1 & 2  | 
 Open  | 
| 
 Serial port 1 disabled  | 
 SW3 pins 1 & 2  | 
 Closed  | |
| » | 
 Serial port2 enabled  | 
 SW3 pins 3 & 4  | 
 Open  | 
| 
 Serial port 2 disabled  | 
 SW3 pins 3 & 4  | 
 Closed  | |
| » | 
 Parallel port enabled  | 
 SW3 pins 5 & 6  | 
 Open  | 
| 
 Parallel port disabled  | 
 SW3 pins 5 & 6  | 
 Closed  | |
| » | 
 Parallel port select LPT1  | 
 SW3 pins 7 & 8  | 
 Open  | 
| 
 Parallel port select LPT2  | 
 SW3 pins 7 & 8  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 SW4 pins 1 & 2  | 
 Closed  | 
| » | 
 Factory configured - do not alter  | 
 SW4 pins 3 & 4  | 
 Closed  | 
| » | 
 Factory configured - do not alter  | 
 SW4 pins 5 & 6  | 
 Closed  | 
| » | 
 Factory configured - do not alter  | 
 SW4 pins 7 & 8  | 
 Closed  | 
| » | 
 Factory configured - do not alter  | 
 W1  | 
 Open  | 
| » | 
 Floppy drive interface enabled  | 
 W5 pins 1 & 2  | 
 Open  | 
| 
 Floppy drive interface disabled  | 
 W5 pins 1 & 2  | 
 Closed  | |
| » | 
 IDE interface enabled  | 
 W5 pins 3 & 4  | 
 Open  | 
| 
 IDE interface disabled  | 
 W5 pins 3 & 4  | 
 Closed  | |
| » | 
 Floppy drive select 1-speed  | 
 W6 pins 1 & 2  | 
 Open  | 
| 
 Floppy drive select 2-speed 1.2MB 5.25"  | 
 W6 pins 1 & 2  | 
 Closed  | |
| » | 
 Floppy drive write precomp select 125ns  | 
 W6 pins 3 & 4  | 
 Open  | 
| 
 Floppy drive write precomp select 187ns  | 
 W6 pins 3 & 4  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 W8  | 
 Open  | 
| 
 Note:The location of W1 is unidentifed.  | |||
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 DRAM JUMPER CONFIGURATION  | ||||
| 
 Size  | 
 J11  | 
 J12  | 
 SW1  | 
 SW2  | 
| 
 1MB  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 Open  | 
| 
 2MB  | 
 2 & 3  | 
 2 & 3  | 
 Open  | 
 1 & 2  | 
| 
 4MB  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 5 & 6, 7 & 8  | 
| 
 8MB  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2, 5 & 6, 7 & 8  | 
| 
 Note:Pins designated should be in the closed position.  | ||||