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 |