UNIDENTIFIED

SUPER-10 TURBO XT MAINBOARD

Processor

V20/8088

Processor Speed

4.77/8/10MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

640KB

Maximum Video Memory

None

Cache

None

BIOS

AMI/Award/Phoenix

Dimensions

254mm x 218mm

I/O Options

None

NPU Options

8087

CONNECTIONS

Purpose

Location

Purpose

Location

Keylock

JP1

Power LED

JP3 pins 3 & 4

Reset switch

JP2

Turbo LED

JP4

Speaker

JP3 pins 1 & 2

Turbo switch

JP5

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Turbo enabled through hardware switch (Award only)

JP5

Closed

 

Turbo enabled through software (CTRL, ALT, +) (Award only)

JP5

Open

 

Turbo disabled through software (CTRL, ALT, -) (Award only)

JP5

Open

 

Turbo enabled/disabled through software (CTRL, ALT, +) (Phoenix/AMI only)

JP5

 
 

NPU not installed

SW1/2

On

 

NPU installed

SW1/2

Off

Note: If BIOS is Phoenix or AMI, pressing the above keyboard keys will enable or disable the turbo mode.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

P 2

Bank 3

P 3

256KB

(9) 41256

None

None

None

None

None

512KB

(9) 41256

(9) 41256

None

None

None

None

576KB

(9) 41256

(9) 41256

(2) 4464

(1) 4164

None

None

640KB

(9) 41256

(9) 41256

(2) 4464

(1) 4164

(2) 4464

(1) 4164

DRAM SWITCH CONFIGURATION

Size

SW1/3

SW1/4

256KB

Off

Off

512KB

On

Off

640KB

Off

On

CPU SPEED SELECTION

Speed

SW1/1

4.77MHz

Off

8MHz

On

10MHz

On

FLOPPY DRIVE SELECTION

Drives installed

SW1/7

SW1/8

1

On

On

2

Off

On

3

On

Off

4

Off

Off

MONITOR SELECTION

Setting

SW1/5

SW1/6

None

On

On

Color (40 x 20)

Off

On

Color (80 x 25)

On

Off

Monochrome or both

Off

Off

MISCELLANEOUS TECHNICAL NOTE

Note: If JP5 is closed, SW1/1 must be set to the off position.