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MBC1013

DIVERSIFIED TECHNOLOGIES

MBC1013

Processor

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

Processor Speed

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

Chip Set

Intel

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

ETI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

External battery

J7

Speaker

J2

Floppy drive interface

J11

Turbo switch

J3

Serial port 2

J12

Reset switch

J4

IDE interface

J13

Turbo LED

J5

VGA port

J14

IDE interface LED

J6

Serial port 1

J15

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

E17

Closed

 

Monitor type select monochrome

E17

Open

Battery select internal

E19

pins 1 & 2 closed

 

Battery select external

E19

pins 2 & 3 closed

 

CMOS memory clear

E19

Open

Floppy drive speed select single

E20

Open

 

Floppy drive speed select dual

E20

Closed

Floppy drive interface write pre-compensation select normal

E21

Closed

 

Floppy drive interface write pre-compensation select alternate

E21

Open

Factory configured - do not alter

E22

pins 1 & 2 closed

Factory configured - do not alter

E23

pins 2 & 3 closed

Factory configured - do not alter

E24

Open

Factory configured - do not alter

E25

pins 1 & 2 closed

Factory configured - do not alter

E26

pins 1 & 2 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

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U4)

TAG (U5)

Dirty Bit(U15)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NONE

(1) 64K x 1

128KB

(4) 32K x 8

NONE

(1) 8K x 8

NONE

(1) 64K x 1

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Cache Size

E1

E3

E4

E5

64KB

Open

Open

pins 2 & 3 closed

Open

128KB

Closed

Closed

pins 1 & 2 closed

Open

256KB

Closed

Closed

pins 2 & 3 closed

Closed

CPU SPEED CONFIGURATION

Speed

E10

E11

E12

E13

E14

20MHz

Closed

Open

Open

Open

Open

25MHz

Open

Closed

Open

Open

Open

33MHz

Open

Open

Closed

Open

Open

40MHz

Open

Open

Open

Closed

Open

50iMHz

Open

Closed

Open

Open

Open

50MHz

Open

Open

Open

Open

Closed

66iMHz

Open

Open

Closed

Open

Open

CPU TYPE CONFIGURATION

Type

E2

E6

E7

80486SX

pins 2 & 3 closed

Open

Open

80487SX

pins 1 & 2 closed

pins 2 & 3 closed

Closed

ODP486SX

pins 1 & 2 closed

pins 2 & 3 closed

Closed

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

Closed

80486DX2

pins 1 & 2 closed

pins 1 & 2 closed

Closed

VGA PORT CONFIGURATION

Setting

E8

E27

E28

VGA port enabled

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

 

VGA port disabled

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT CONFIGURATION

IRQ

E15

E16

IRQ7

Closed

Open

IRQ5

Open

Closed