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SOTA386SI

SOTA TECHNOLOGY, INC.

SOTA386SI

Card Type

Processor upgrade

Processor

8088/8086/80386SX

Processor Speed

16MHz

Chipset

N/A

Maximum Onboard Memory

None

Data Bus

8-bit ISA

Cache

16/64KB

BIOS

N/A

Dimensions

170 x 110mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Function

Label

Ribbon cable to mainboard 808x socket

CN1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP5/A

Closed

»

NPU not installed

JP5/B

Open

 

NPU installed

JP5/B

Closed

»

Factory configured - do not alter

JP5/C

Open

»

Factory configured - do not alter

JP5/D

Open

»

Use 80386SX processor

SW1

Off

 

Fall back to 808x processor

SW1

On

CACHE CONFIGURATION

Setting

Bank 0

TAG

16KB

(2) 8K x 8

Unidentified

64KB

(2) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Setting

JP2/E

»

16KB

Open

 

64KB

Closed

MAINBOARD PROCESSOR TYPE

Setting

JP2/C

JP2/D

U17

U18

»

8088

Open

Open

74LS646

Not installed

 

Standard 8086

Closed

Closed

Not installed

74LS646

 

AT&T 6300, Olivetti 8086

Open

Open

Not installed

74LS646

CACHE ENABLE CONFIGURATION

Setting

JP2/A

JP2/B

»

Cache enabled by software only

Open

Closed

 

Cache enabled 5 seconds after power-up

Closed

Open

 

Cache enabled 50 seconds after power-up

Open

Open

MISCELLANEOUS TECHNICAL NOTE

The mainboard’s 808x chip should be installed in the card’s 808x-type socket. A ribbon cable from CN1 then is installed in the mainboard’s 808x socket.