EVEREX SYSTEMS, INC.

MAXLOGIC 486DX-33 (EV-18193)

Processor

80486SX/80486DX/80486DX2

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

64/128/256/512KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Reset switch

J4

Chassis fan power

J2

Turbo LED

JP1

Power LED & keylock

J3

External battery

JP5

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP2

N/A

»

Factory configured - do not alter

JP3

N/A

»

Factory configured - do not alter

JP4

N/A

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

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(8) 8K x 8

NONE

(1) 8K x 8

128KB

(8) 8K x 8

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

NONE

(1) 32K x 8

512KB

(8) 32K x 8

(8) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP8

JP9

JP10

64KB

Open

pins 2 & 3 closed

Open

Open

Open

128KB

Closed

pins 2 & 3 closed

Open

Open

Closed

256KB

Closed

pins 2 & 3 closed

Open

Closed

Closed

512KB

Closed

pins 1 & 2 closed

Closed

Closed

Closed

MISCELLANEOUS TECHNICAL NOTE

Note: The orientation of pin 1 is unidentified.