RELIALOGIC CORPORATION PRIVATE, LTD.

R386DX33 MBC

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Speaker

J4

Turbo switch

J2

Reset switch

J5

Turbo LED

J3

External battery

J6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Tag ram not installed in U3

W2

Open

 

Tag ram installed in U3

W2

Closed

»

Monitor type select CGA

W11

Closed

 

Monitor type select monochrome/EGA/VGA

W11

Open

»

Battery type select internal

W13

Closed

 

Battery type select external

W13

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

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U4 & U5)

32KB

(4) 8K x 8

NONE

(2) 16K x 4

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

128KB

(4) 32K x 8

NONE

(2) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

OPTIONAL TAG CONFIGURATION

CPU speed

(U3)

(U6)

33MHz

(1) 16K x 4

(1) 16K x 4

40MHz

(1) 16K x 6

(1) 16K x 6

Note: U3 is used only when more than 16M of memory is installed. U6 is optional and when installed, supports write-back cache.

CACHE JUMPER CONFIGURATION

Size

W3

W4

W5

W6

W7

32KB

1 & 2

1 & 2

1 & 2

2 & 3

N/A

64KB

2 & 3

1 & 2

1 & 2

1 & 2

N/A

128KB

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

256KB

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

MATH COPROCESSOR CONFIGURATION (80387)

CPU Type

W1

W8

W9

W10

»

Not installed

Open

N/A

N/A

Open

 

Synchronous mode

Closed

pins 1 & 2 closed

Open

Closed

 

Asynchronous mode

Closed

pins 2 & 3 closed

Closed

Closed

Note: For 3167 installation, use default settings and configure in advanced BIOS setup.