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





OEM1/L-ISA

INTERNATIONAL INSTRUMENTATION, INC.

OEM1/L-ISA

Processor

80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

16/20/25/33/50(internal)/50/66(internal)MHz

Chip Set

Advanced

Max. Onboard DRAM

128MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit local bus slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

H1

Power LED & keylock

H5

Turbo LED

H2

External battery

JP1

Reset switch

H3

32-bit local bus slot

S1

Speaker

H4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP12

Open

 

Monitor type select monochrome

JP12

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) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

80MB

(4) 16M x 9

(4) 4M x 9

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U34)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP2

JP3

64KB

Open

Open

128KB

pins 2 & 3 closed

Closed

256KB

pins 1 & 2 closed

Closed

CPU JUMPER CONFIGURATION

Type

J4

J5

J7

J8

80486SX

pins 2 & 3 closed

Open

Closed

Open

ODP486SX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Closed

Open

80487SX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Closed

Open

80486DX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Closed

Open

80486DX2

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Closed

Open