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MCT-M486EV-66

MODULAR CIRCUIT TECHNOLOGY

MCT-M486EV-66

Processor

80486SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J3

Speaker

J6

Turbo switch

J4

Power LED & keylock

J7

Reset switch

J5

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP14

Closed

 

Monitor type select color

JP14

Open

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

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

NONE

17MB

(4) 256K x 9

(4) 1M x 9

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

65MB

(4) 256K x 9

(4) 16M x 9

65MB

(4) 16M x 9

(4) 256K x 9

68MB

(4) 1M x 9

(4) 16M x 9

68MB

(4) 16M x 9

(4) 1M x 9

80MB

(4) 4M x 9

(4) 16M x 9

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

64KB

(4) 8K x 8

(4) 8K x 8

(4) 4K x 4

128KB

(4) 32K x 8

NONE

(4) 4K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(4) 4K x 4

CACHE JUMPER CONFIGURATION

Size

JP3

JP4

JP10

JP11

JP12

JP13

64KB

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

128KB

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

2 & 3

256KB

2 & 3

2 & 3

2 & 3

4 & 5

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP8

JP9

80486SX

pins 2 & 3 closed

Open

80486DX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

80486DX2

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Pentium Overdrive

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP6

0 wait states

Open

1 wait state

Closed

BUS SPEED CONFIGURATION

CPU speed

JP5

<= 33MHz

Open

> 33MHz

Closed