UNIDENTIFIED

486CCL/486CCI

Processor

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

Processor Speed

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

Chip Set

Contaq

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

248mm x 220mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Reset switch

J5

Power LED & keylock

J2

Speaker

J6

Turbo LED

J3

32-bit VESA local bus slots

SL1 & SL2

Turbo switch

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

VGA card select Cirrus Logic 5426 only

JP29

pins 1 & 2 closed

 

VGA card select non Cirrus Logic

JP29

pins 2 & 3 closed

»

VESA card select normal

JP105

pins 2 & 3 closed

 

VESA card select special

JP105

pins 1 & 2 closed

Note: Jumpers JP29 & JP105 are only on the 486CCL.

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

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

RN4

RN5

64KB

Not installed

Not installed

128KB

Not installed

Installed

256KB

Installed

Not installed

CPU TYPE CONFIGURATION

Type

JP1

JP5

80486 PGA

Open

Open

80486 PQFP

Closed

Closed

CPU TYPE CONFIGURATION

Type

RN1

RN2

RN3

80486SX

Not installed

Installed

Not installed

ODP486SX

Not installed

Not installed

Installed

80487SX

Not installed

Not installed

Installed

80486DX/DX2

Installed

Not installed

Not installed

CPU SPEED CONFIGURATION

Speed

H1

H2

H3

ID3

JP30

25MHz

Closed

Open

Open

Open

Closed

33MHz

Open

Closed

Open

Open

Open

40MHz

Closed

Closed

Open

Open

Open

50iMHz

Closed

Open

Open

Open

Closed

50MHz

Open

Open

Closed

Closed

Open

66iMHz

Open

Closed

Open

Open

Open

Note: Jumper ID3 is only on the 486CCL.

VESA CARD TYPE CONFIGURATION

Card select

JP106

JP107

Any card

Closed

Closed

Weitek P9000 VL-Bus card only

Open

Open

Note: Jumpers JP106 & JP107 are only on the 486CCL.

BUS SPEED CONFIGURATION

CPU speed

JP102

<= 33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

Note:Depending on mainboard version, it may not have VESA slots and associated jumpers.