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ZXP EISA

NORTHGATE COMPUTER SYSTEMS, INC.

ZXP EISA

Processor

80486DX/80486DX2

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

64/128/256/512KB

BIOS

AMI/Phoenix

Dimensions

330mm x 218mm

I/O Options

External memory card, floppy drive interface, IDE interface, parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

P2

Serial port 2

P8

Speaker

P3

Parallel port

P9

Power LED & keylock

P4

IDE interface

P10

Turbo LED

P5

Floppy drive interface

P11

IDE interface LED

P6

External memory card

P15

Serial port 1

P7

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J11

Open

Factory configured - do not alter

J12

Open

Factory configured - do not alter

J20

Open

Factory configured - do not alter

J21

Open

Monitor type select color

P1

Closed

 

Monitor type select monochrome

P1

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

128MB

(4) 16M x 9

(4) 16M x 9

Note: An external memory card is available, but actual sizes are not identified by the manufacturer.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 64K x 1

128KB

(4) 32K x 8

NONE

(1) 64K x 1

256KB

(4) 32K x 8

(4) 32K x 8

(1) 64K x 1

512KB

(4) 128K x 8

NONE

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

J1

J2

J3

J4

J5

J6

J8

64KB

Open

Open

Open

Open

Open

Open

pins 2 & 3 closed

128KB

Open

Open

Closed

Open

Closed

Open

pins 1 & 2 closed

256KB

Open

Closed

Closed

Closed

Closed

Open

pins 2 & 3 closed

512KB

Closed

Closed

Closed

Closed

Closed

Closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

J9

J10

80486DX/DX2

pins 2 & 3 closed

pins 1 & 2, 3 & 4 closed

CPU SPEED CONFIGURATION

Speed

J7

J13

J14

J15

J16

J17

J18

J19

33MHz

Open

Open

Closed

Open

Closed

Open

1 & 2

2 & 3

50iMHz

Open

Closed

Closed

Open

Open

Open

1 & 2

2 & 3

50MHz

Open

Open

Open

Open

Closed

Closed

2 & 3

2 & 3

66iMHz

Open

Open

Closed

Open

Closed

Open

1 & 2

2 & 3

Note: Pins designated should be in the closed position.