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SYSTEM 302

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