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SC386DX

INTERLOGIC INDUSTRIES

SC386DX

Processor

80386DX

Processor Speed

33MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

SRAM Cache

32/64/128/256KB

BIOS

Award

Dimensions

350mm x 125mm

I/O Options

Floppy drive interface, IDE interface

parallel port, serial port (2), PS/2 keyboard port

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Auxiliary keyboard

CN1

Parallel port

CN8

Keylock

CN2

External battery

CN9

Speaker

CN3

Serial port 1

CN10

Reset switch

CN4

Serial port 2

CN11

IDE interface LED

CN5

PS/2 keyboard

CN12

Floppy drive interface

CN6

Power LED

LED

IDE interface

CN7

Turbo switch

JP3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP1

closed

IDE interface (CN7) enabled

JP9

pins 1 & 2 closed

 

IDE interface (CN7) disabled

JP9

pins2 & 3 closed

Parallel port (CN8) select LPT2 (I/O address 378-37Fh)

JP12

pins 1 & 2 closed

 

Parallel port (CN8) select LPT3 (I/O address 278-27Fh)

JP12

pins 2 & 3 closed

Monitor type select color

JP13

closed

 

Monitor type select monochrome

JP13

open

Floppy drive interface (CN6) enabled

JP14

pins 1 & 2 closed

 

Floppy drive interface (CN6) disabled

JP14

pins 2 & 3 closed

Parallel port (CN8) interrupt select IRQ7 (LPT2)

JP15

pins 1 & 2 closed

 

Parallel port (CN8) interrupt select IRQ5 (LPT3)

JP15

pins 2 & 3 closed

Watchdog Timer interval select 500ms

JP16

closed

 

Watchdog Timer interval select 1 second

JP16

open

Watchdog Timer mode select system reset after time-out

JP17

pins 1 & 2 closed

 

Watchdog Timer mode select low IOCHK# NMI after time-out

JP17

pins 2 & 3 closed

 

Watchdog Timer mode select disabled

JP17

open

CMOS memory normal operation

JP18

pins 1 & 2 closed

 

CMOS memory clear

JP18

pins 2 & 3 closed

Parallel port (CN8) enabled

JP21

pins 1 & 2 closed

 

Parallel port (CN8) disabled

JP21

pins 2 & 3 closed

SERIAL PORT CONFIGURATION

Function

Jumper

Position

Serial port 1 (CN10) enabled

JP23

pins 1 & 2 closed

 

Serial port 1 (CN10) disabled

JP23

pins 2 & 3 closed

Serial port 1 (CN10) select COM1 (I/O address 3F8-3FFh)

JP22

pins 1 & 2 closed

 

Serial port 1 (CN10) select COM3 (I/O address 3E8-3EFh)

JP22

pins 2 & 3 closed

Serial port 1 (CN10) interrupt select IRQ4

JP11

pins 1 & 2 closed

 

Serial port 1 (CN10) interrupt select IRQ3

JP11

pins 2 & 3 closed

Serial port 2 (CN11) enabled

JP20

pins 1 & 2 closed

 

Serial port 2 (CN11) disabled

JP20

pins 2 & 3 closed

Serial port 2 (CN11) select COM2 (I/O address 2F8-2FFh)

JP19

pins 1 & 2 closed

 

Serial port 2 (CN11) select COM4 (I/O address 2E8-2EFh)

JP19

pins 2 & 3 closed

Serial port 2 (CN11) interrupt select IRQ3

JP10

pins 1 & 2 closed

 

Serial port 2 (CN11) interrupt select IRQ4

JP10

pins 2 & 3 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

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

SRAM CONFIGURATION

Size

Cacheable Memory

Cache SRAM

Location

TAG

32KB

8MB maximum

(4) 8K x 8

Bank 0

(1) 8K x 8

64KB

16MB maximum

(8) 8K x 8

Banks 0 & 1

(2) 8K x 8

128KB

32MB maximum

(4) 32K x 8

Bank 0

(1) 32K x 8

256KB

64MB maximum

(8) 32K x 8

Banks 0 & 1

(2) 32K x 8

SRAM JUMPER CONFIGURATION

Size

JP2

JP4

JP5

JP6

JP7

JP8

32KB

open

pins 1 & 2

open

pins 1 & 2

open

pins 2 & 3

64KB

open

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

128KB

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

256KB

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

Note:Pins designated should be in the closed position.