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





MPOWER4 PLUS (VER.A)

MICRONICS COMPUTERS, INC.

MPOWER4 PLUS (VER.A)

Processor

80486SX/ODP486SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

25/33/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

Micronics

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

J1

Video feature connector

J31

Serial port 2

J2

VGA port

J32

Serial port 1

J3

Turbo LED

W18

Power LED & keylock

J7

Turbo switch

W19

PS/2 mouse port

J10

Reset switch

W20

IDE interface

J26

IDE interface LED

W21

Floppy drive interface

J27

32-bit VESA Local bus slots

SL1

Speaker

J30

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Cache select write back

U61

Installed

 

Cache select write through

U61

Not installed

»

Real time clock installed

W1

Closed

 

Real time clock not installed

W1

Open

»

Monitor type select color

W2

Closed

 

Monitor type select monochrome

W2

Open

»

IRQ12 PS/2 mouse enabled

W3

Closed

 

PS/2 mouse disabled

W3

Open

»

Parity enabled

W4

Closed

 

Parity disabled

W4

Open

»

CMOS memory normal operation

W5

Open

 

CMOS memory clear

W5

Closed

»

Super I/O enabled

W7

Open

 

Super I/O disabled

W7

Closed

»

Flash BIOS write protect enabled

W8

Open

 

Flash BIOS write protect disabled

W8

Closed

»

PQFP not installed

W13

Open

 

PQFP disabled by Overdrive processor

W13

pins 1 & 2 closed

 

PQFP manually disabled

W13

pins 2 & 3 closed

»

Factory configured - do not alter

W15

pins 1 & 2 closed

»

Factory configured - do not alter

W31

Open

»

Factory configured - do not alter

W36

Open

»

VGA IRQ9 disabled

W303

Open

 

VGA IRQ9 enabled

W303

Closed

»

Factory configured - do not alter

SW1/3

Off

»

Factory configured - do not alter

SW1/4

Off

 

VPU chip disabled

SW2/1

On

 

VPU chip enabled

SW2/1

Off

 

Video RAMDAC at snooping mode

SW2/2

On

 

Video RAMDAC at normal mode

SW2/2

Off

 

VGA BIOS disabled

SW2/3

On

 

VGA BIOS enabled

SW2/3

Off

 

External speaker disabled

SW2/4

On

 

External speaker enabled

SW2/4

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

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) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W10

W11

W16

W17

W22

W23

W24

64KB

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

128KB

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

2 & 3

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note:Pins designated should be in the closed position.

CPU CONFIGURATION

Type

W33

All other CPU’s

pins 1 & 2, 3 & 4 closed

80486SX

pins 2 & 3 closed

80486SX2

pins 3 & 4 closed

80486DX4 CONFIGURATION

80486DX4

W32

W34

Disabled

Open

Open

Enabled

pins 1 & 2 closed

pins 3 & 4 closed

CPU SPEED CONFIGURATION

Speed

Switch 1/1

Switch 1/2

25MHz

Off

On

33MHz

On

On

50iMHz

Off

On

66iMHz

On

On

75iMHz

Off

On

100iMHz

On

On

DMA CHANNEL CONFIGURATION

DMA Channel

W98

W99

Channel 1

pins 1 & 2 closed

pins 1 & 2 closed

Channel 2

pins 2 & 3 closed

pins 2 & 3 closed

VRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 512K x 8

NONE

2MB

(2) 512K x 8

(2) 256K x 8

Note: Bank 0 is factory installed and is not configurable.