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





TB486

ZYTEX COMPUTERS, INC.

TB486

Processor

80486DX

Processor Speed

33MHz

Chip Set

ETEQ

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI/MR

Dimensions

330.2mm x 218.4mm

I/O OPTIONS

32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J4

Power LED & Keylock

JP26

External battery

JP2

Speaker

JP27

32-bit external memory card

JP5

Turbo LED

T1

Turbo switch

JP25

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

J4

Open

 

Monitor type select color

J4

Closed

Filter circuitry disabled

JP3

Closed

 

Filter circuitry enabled

JP3

Open

NPU read speed select 3 wait states

JP24

Open

 

NPU read speed select 2 wait states

JP24

Closed

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K 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

TAG

64KB

(8) 8K x 8

(2) 8K x 8

256KB

(8) 32K x 8

(2) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP19

JP20

JP21

JP22

JP23

64KB

pins 2 & 3 closed

pins 2 & 3 closed

Open

Open

Open

256KB

pins 1 & 2 closed

pins 1 & 2 closed

Closed

Closed

Closed