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





80486L-ISA

UNIDENTIFIED

80486L-ISA

Processor

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

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI/Award

Dimensions

254mm x 218mm

I/O Options

32-bit local bus card slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

32-bit local bus card

CN1

Reset switch

JP13

External battery

JP1

Power LED & keylock

JP14

Speaker

JP11

Turbo LED

JP15

Turbo switch

JP12

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP3

Open

 

Monitor type select monochrome

JP3

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

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

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

JP6

JP7

64KB

Open

Open

128KB

pins 1 & 2 closed

Closed

256KB

pins 2 & 3 closed

Closed

CPU TYPE CONFIGURATION

Type

Speed

Oscillator

JP4

JP8

JP9

80486SX

16MHz

32MHz

1 & 2

Open

2 & 3

80486SX

20MHz

40MHz

1 & 2

Open

2 & 3

ODP486SX

50MHz

25MHz

2 & 3

1 & 2

1 & 2, 3 & 4

80487SX

25MHz

25MHz

2 & 3

1 & 2

1 & 2, 3 & 4

80486DX

25MHz

25MHz

2 & 3

2 & 3

1 & 2, 3 & 4

80486DX

33MHz

33MHz

2 & 3

2 & 3

1 & 2, 3 & 4

80486DX

50MHz

50MHz

2 & 3

2 & 3

1 & 2, 3 & 4

80486DX2

50MHz

25MHz

2 & 3

2 & 3

1 & 2, 3 & 4

80486DX2

66MHz

33MHz

2 & 3

2 & 3

1 & 2, 3 & 4

Note:The location of JP4 is unidentified. Pins designated should be in the closed position.