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





386-40UM

MAGITRONICS

386-40UM

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

260mm x 220mm

I/O Options

None

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo switch

J4

Speaker

J2

Turbo LED

J5

Reset switch

J3

External battery

J11

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

NPU enabled

J7

Closed

 

NPU disabled

J7

Open

Monitor type select color

J8

Closed

 

Monitor type select monochrome

J8

Open

Battery select internal

J9

pins 2 & 3 closed

 

Battery select external

J9

pins 1 & 2 closed

CMOS memory normal operation

J11

pins 2 & 3 closed

 

CMOS memory clear

J11

pins 1 & 2 closed

Note: When selecting an external battery (J9), the external battery must be connected to J11.

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

SRAM CONFIGURATION

Size

Cache

Location

TAG

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 8K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

SRAM JUMPER CONFIGURATION

Size

W1

W2

W3

W4

W5

64KB

pins 2 & 3

Open

Open

pins 1 & 2

pins 1 & 2

128KB

pins 1 & 2

Open

Closed

pins 2 & 3

pins 1 & 2

256KB

pins 2 & 3

Closed

Closed

pins 2 & 3

pins 2 & 3

Note: Pins designated should be in the closed position