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





MARK V BABY SCREAMER

AMERICAN MEGATRENDS, INC.

MARK V BABY SCREAMER

Processor

80386DX

Processor Speed

25/33/40MHz

Chip Set

AMI

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

J1

Turbo switch

J38

External battery

J2

Serial port 2

P1

Power LED & keylock

J10

Serial port 1

P4

Speaker

J11

Parallel port

P5

Reset switch

J12

Floppy interface

P6

Diagnostic LED

J13

IDE interface

P7

Turbo LED

J15

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

ROM access select 0 wait state

J14

Closed

 

ROM access select 1 wait state

J14

Open

BIOS type select 27256

J18

pins 1 & 2 closed

 

BIOS type select 27512

J18

pins 2 & 3 closed

Serial port COM2 select IRQ3

J21

pins 2 & 3 closed

 

Serial port COM2 select IRQ4

J21

pins 1 & 2 closed

Serial port COM1 select IRQ4

J22

pins 2 & 3 closed

 

Serial port COM1 select IRQ3

J22

pins 1 & 2 closed

Parallel port IRQ select IRQ7

J23

pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

J23

pins 1 & 2 closed

Segment C800 shadow enabled

J36

pins 2 & 3 closed

 

Segment C800 shadow disabled

J36

pins 1 & 2 closed

Factory configured - do not alter

SW1/1

Off

Monitor type select monochrome

SW1/2

Off

 

Monitor type select color

SW1/2

On

Video shadow enabled

SW1/3

On

 

Video shadow disabled

SW1/3

Off

ROM BIOS shadow enabled

SW1/4

On

 

ROM BIOS shadow disabled

SW1/4

Off

DRAM CONFIGURATION

Size

Bank 1

Bank 2

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

DRAM JUMPER/SWITCH CONFIGURATION

Size

J4

J5

SW1/5

SW1/6

SW1/7

SW1/8

1MB

2 & 3

2 & 3

On

On

On

On

2MB

2 & 3

2 & 3

On

Off

On

On

4MB

2 & 3

1 & 2

On

On

On

Off

8MB

2 & 3

1 & 2

On

Off

On

Off

16MB

1 & 2

1 & 2

On

On

Off

Off

32MB

1 & 2

1 & 2

On

Off

Off

Off

Note : Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Bank 0

TAG (U32)

TAG (U38)

64KB

(10) 16K x 4

(1) 16K x 4

NONE

256KB

(10) 64K x 4

NONE

(1) 64K x 4

CACHE JUMPER CONFIGURATION

Size

J19

J20

J32

64KB

pins 2 & 3 closed

pins 2 & 3 closed

Open

256KB

pins 1 & 2 closed

pins 1 & 2 closed

Closed

CPU SPEED CONFIGURATION

Speed

J35

J37

25MHz

pins 2 & 3 closed

Open

33MHz

pins 2 & 3 closed

Open

40MHz

pins 1 & 2 closed

Closed