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WIZ-286 KW-533B/C

UNIDENTIFIED

WIZ-286 KW-533B/C

Processor

80286

Processor Speed

12MHz

Chip Set

SMD

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Serial ports (2)

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port A

J3

Turbo switch

JP11

Serial port B

J4

Speaker

JP12

External battery

J5

Power LED & keylock

JP13

Turbo LED

JP10

Reset switch

JP14

USER CONFIGURABLE SETTINGS

Monitor type select color

JP1

closed

 

Monitor type select monochrome

JP1

open

 

 

Serial port A (J3) ready signal normal

JP2

JP3

JP4

pins 2 & 3 closed

pins 2 & 3 closed,

pins 2 & 3 closed

 

 

Serial port A (J3) ready signal forced active

JP2

JP3

JP4

pins 1 & 2 closed,

pins 1 & 2 closed,

pins 1 & 2 closed

 

 

Serial port B (J4) ready signal normal

JP5

JP6

JP7

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

 

 

Serial port B (J4) ready signal forced active

JP5

JP6

JP7

pins 1 & 2 closed

pins 1 & 2 closed,

pins 1 & 2 closed

Factory configured - do not alter

JP8

N/A

DMA select synchronous with RSYSCLK

JP9

pins 2 & 3 closed

 

DMA select synchronous with DMACLK

JP9

pins 1 & 2 closed

 

BIOS type select 27128

JP15

pins 1 & 2 closed

 

BIOS type select 27256

JP15

pins 2 & 3 closed

 

BIOS type select ROM

JP16

pins 2 & 3 closed

 

BIOS type select EPROM

JP16

pins 1 & 2 closed

Factory configured - do not alter

SW1/switch 1

N/A

Factory configured - do not alter

SW1/switch 5

N/A

Bus speed select ATCLK/1

SW1/switch 6

open

 

Bus speed select ATCLK/2

SW1/switch 6

closed

DMA speed select CPU/1

SW1/switch 7

open

 

DMA speed select CPU/2

SW1/switch 7

closed

Factory configured - do not alter

SW1/switch 8

N/A

IRQ JUMPER CONFIGURATION

Line

JIRQ for Serial port A

JIRQ for Serial port B

IRQ3

pins 1 & 2 closed

pins 2 & 3 closed

IRQ4

pins 4 & 5 closed

pins 5 & 6 closed

IRQ5

pins 7 & 8 closed

pins 8 & 9 closed

IRQ9

pins 10 & 11 closed

pins 11 & 12 closed

IRQ10

pins 13 & 14 closed

pins 14 & 15 closed

IRQ11

pins 16 & 17 closed

pins 17 & 18 closed

IRQ12

pins 19 & 20 closed

pins 20 & 21 closed

IRQ15

pins 22 & 23 closed

pins 23 & 24 closed

SERIAL PORT A CONFIGURATION

I/O Address

SW2/Switch 1

SW2/Switch 2

SW2/Switch 3

COM1

closed

closed

open

COM2

closed

open

closed

COM3

closed

open

open

COM4

open

closed

closed

COM5

open

closed

open

COM6

open

open

closed

COM7

open

open

open

SERIAL PORT B CONFIGURATION

I/O Address

SW2/Switch 4

SW2/Switch 5

SW2/Switch 6

COM2

closed

closed

open

COM3

closed

open

closed

COM4

closed

open

open

COM5

open

closed

closed

COM6

open

closed

open

COM7

open

open

closed

COM8

open

open

open

DRAM CONFIGURATION

Size

DIP

Location

Parity

Location

512KB

(4) 44256

U66, U67, U75, U76

(2) 41256

U68, U77

1MB

(8) 44256

U48, U49, U57, U58,

U66, U67, U75, U76

(4) 41256

U50, U59, U68, U77

2MB

(16) 411000

U60 - U67, U69 - U77

(2) 411000

U68, U77

4MB

(32) 411000

U42 - U49, U51 - U58

U60 - U67, U69 - U76

(4) 411000

U50, U59, U68, U77

DRAM JUMPER CONFIGURATION

Size

SW1/switch 2

SW1/switch 3

SW1/switch 4

512KB

N/A

open

open

1MB

closed

closed

open

2MB

N/A

open

closed

4MB

N/A

closed

closed