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UNH433L

NIC TECHNOLOGY, INC.

UNH433L

Processor

80386DX/80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)

Chip Set

UNI

Max. Onboard DRAM

32MB

SRAM Cache

32/64/128/256KB

BIOS

AMI

Dimensions

250mm x 220mm

I/O Options

32-bit proprietary local bus

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BAT

Speaker

SPK

Power LED & keylock

KEYL

Turbo LED

TLED

Reset switch

RSW

Turbo switch

TSW

32-bit local bus card

S1

   

Note:The 32-bit local bus slot cannot be used if the CPU is a 386DX or a 486DX-50MHz.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP19

open

 

Monitor type select monochrome

JP19

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

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CPU TYPE CONFIGURATION

Type

JP10

JP11

JP14

JP15

JP16

JP18

JP20

80486

pins 1 & 2

closed

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 3 & 4

pins 2 & 3

80386

pins 2 & 3

open

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

Note:Pins designated should be in the closed position.

486CPU TYPE CONFIGURATION

Type

JP1

JP2

80486DX2

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

80486DX

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

80487SX

pins 2 & 3 closed

pins 1 & 2 and 3 & 4 closed

80486SX

open

pins 2 & 3 closed

SRAM CONFIGURATION

Size

Cache SRAM

Location

TAG

32KB

(4) 8K x 8

Bank 0

(1) 8K x 8

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 32K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

SRAM JUMPER CONFIGURATION

Size

JP3

JP4

JP5

JP6

JP7

JP8

JP9

JP17

32KB

open

open

open

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 2 & 3

64KB

open

open

closed

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

128KB

open

closed

closed

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1&2 and 3&4

256KB

closed

closed

closed

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1&2 and 4&5

Note:Pins designated should be in the closed position.