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NT386-33

NASCENT TECHNOLOGY, INC.

NT386-33

Processor

80386DX

Processor Speed

33MHz

Chip Set

VLSI

Max. Onboard DRAM

8MB

Cache

64/256KB

BIOS

AMI

Dimensions

355mm x 304mm

I/O Options

32-bit external memory card slot

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J3

Reset switch

J6

Power LED & keylock

J4

Turbo switch

W6

Speaker

J5

32-bit external memory card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

SW1/3

N/A

DMA clock speed select 8.25MHz

W1

pins 1 & 2 closed

 

DMA clock speed select 4.13MHz

W1

pins 2 & 3 closed

8 bit memory I/O select 4 wait states

W4

pins 1 & 2 closed

 

8 bit memory I/O select 5 wait states

W4

pins 2 & 3 closed

16 bit memory I/O select 1 wait state

W5

pins 1 & 2 closed

 

16 bit memory I/O select 2 wait states

W5

pins 2 & 3 closed

Monitor type select monochrome

W7

pins 1 & 2 closed

 

Monitor type select color

W7

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

Note:Banks 2 & 3 are used when a 32-bit external memory card is installed at S1.

DRAM JUMPER/SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/4

W8

W9

1MB

On

On

On

2 & 3

2 & 3

2MB

On

Off

Off

2 & 3

2 & 3

4MB

Off

Off

On

1 & 2

1 & 2

8MB

On

Off

Off

1 & 2

1 & 2

12MB

Off

On

Off

1 & 2

1 & 2

16MB

On

On

Off

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Bank 0

TAG

64KB

(10) 16K x 4

(1) 16K x 1

256KB

(10) 64K x 4

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

W2

W3

64KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed