...because we can't all be on the bleeding edge...





IT486EL

INFORMTECH INTERNATIONAL, INC.

IT486EL

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

128MB

Cache

64/128/256KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J4

Reset switch

S9

Power LED & keylock

J5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP5

Open

 

Monitor type select color

JP5

Closed

Factory configured - do not alter

JP6

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

(4) 1M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U52)

TAG (U53)

64KB

(4) 8K x 8

(4) 8K x 8

(2) 8K x 8

NONE

128KB

(4) 32K x 8

NONE

(2) 8K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(2) 8K x 8

(2) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP12

JP13

JP14

JP15

64KB

Open

Open

Open

Open

128KB

Open

Closed

Open

Closed

256KB

Closed

Closed

Closed

Closed

CPU TYPE CONFIGURATION

CPU Type

JP8

JP10

80486SX

pins 2 & 3 closed

Open

80487SX

pins 1, 2, 3, & 4 closed

pins 1 & 2 closed

80486DX/DX2

pins 1, 2, 3, & 4 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

CPU speed

JP2

JP3

JP4

JP7

JP9

20MHz

Open

Closed

1 & 2

Open

2 & 3

25MHz

Open

Open

1 & 2

Open

2 & 3

33MHz

Closed

Open

1 & 2

Open

2 & 3

40MHz

Open

Open

2 & 3

Closed

2 & 3

50iMHz

Open

Open

1 & 2

Open

2 & 3

50MHz

Closed

Open

1 & 2

Open

1 & 2

66iMHz

Closed

Open

1 & 2

Open

2 & 3

Note: Pins designated should be in the closed position.