INTEL CORPORATION
SYSTEM 302
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 25MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Max. Onboard DRAM  | 
 8MB  | 
| 
 Cache  | 
 64KB  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O OPTIONS  | 
 32-bit external memory card slot (2), parallel port, serial port (2)  | 
| 
 NPU Options  | 
 80387  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Parallel port  | 
 J10A  | 
 Speaker  | 
 J19  | 
| 
 Serial port 9 pin (COM1 & COM2)  | 
 J10B  | 
 Power LED & Keylock  | 
 J20  | 
| 
 Serial port 25 pin (COM2)  | 
 J10C  | 
 Memory expansion slot  | 
 S1  | 
| 
 Reset switch (not used)  | 
 J18  | 
 Memory expansion slot  | 
 S2  | 
| 
 Note: J10B connects to two DB9 RS-232 connectors, J10C connects to one DB25 RS-232 connector. COM2 is active on both J10B and J10C, but only one may be used at a time for COM2.  | |||
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Function  | 
 Jumpered Pins  | |
| » | 
 DRAM speed (100ns)  | 
 E1 - E2, E4 - E5 closed  | 
| » | 
 SIMM size select 256K x 9  | 
 E7 - E8, E10 - E11 closed  | 
| 
 SIMM size select 1M x 9  | 
 E8 - E9, E11 - E12 closed  | |
| » | 
 Parallel printer port select LPT1  | 
 E13 - E14, E20 - E21 closed  | 
| 
 Parallel printer port select LPT2  | 
 E14 - E15, E19 - E20 closed  | |
| » | 
 Printer acknowledge trailing edge  | 
 E17 - E18 closed  | 
| 
 Printer acknowledge leading edge  | 
 E16 - E17 closed  | |
| » | 
 Serial port, (COM1) enabled  | 
 E22 - E23 closed  | 
| 
 Serial port, (COM1) disabled  | 
 E23 - E24 closed  | |
| » | 
 Serial port, (COM2) enabled  | 
 E25 - E26 closed  | 
| 
 Serial port, (COM2) disabled  | 
 E26 - E27 closed  | |
| » | 
 NPU disabled  | 
 E29 - E30 closed  | 
| 
 NPU enabled  | 
 E28 - E29 closed  | |
| » | 
 Keyboard reset disabled  | 
 E35 - E36 closed  | 
| 
 Keyboard reset enabled  | 
 E34 - E35 closed  | |
| » | 
 UNIX mode disabled  | 
 E38 - E39 closed  | 
| 
 UNIX mode enabled  | 
 E37 - E38 closed  | |
| » | 
 Monitor type select color  | 
 E41 - E42 closed  | 
| 
 Monitor type select monochrome  | 
 E40 - E41 closed  | |
| » | 
 Factory configured - do not alter  | 
 E49 - E50 closed  | 
| 
 SIMM type standard RAS/CAS  | 
 E53 - E54, E55 - E56 open  | |
| 
 SIMM type static-column  | 
 E53 - E54, E55 - E56 closed  | |
| 
 SIMM type fast page mode  | 
 E53 - E54, E55 - E56 closed  | |
| » | 
 BIOS type 27256  | 
 E57 - E58 closed  | 
| 
 BIOS type 27512  | 
 E58 - E59 closed  | |
| 
 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  | 
 Jumpers  | 
| 
 1MB  | 
 E60 - E62, E61 - E63 open  | 
| 
 2MB  | 
 E60 - E62, E61 - E63 closed  | 
| 
 4MB  | 
 E60 - E62, E61 - E63 open  | 
| 
 8MB  | 
 E60 - E62, E61 - E63 closed  |