QUICKPATH SYSTEMS, INC.

POWERSOUND 486I

Processor

80486SX/80486DX/80486DX2

Processor Speed

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

Chip Set

OPTI

Max. onboard DRAM

32MB

SRAM Cache

None

BIOS

AMI/MR

Dimensions

330mm x 218mm

I/O Options

Line in, microphone in, volume control, and speaker out (controlled by onboard ES488, a Sound Blaster Pro compatible sound processor.)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Speaker out

CN1

Turbo Switch

JP6

Volume

CN2

Speaker

JP9

Line in

CN3

Power LED and keylock

JP10

Microphone in

CN4

Turbo LED

JP12

Reset switch

SW1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

ONBOARD SOUND SYSTEM DMA CONFIGURATION

DMA

JP7

JP8

»

DMA1

Pins 1 & 2 closed

Pins 1 & 2 closed

 

DMA3

Pins 3 & 4 closed

Pins 3 & 4 closed

ONBOARD SOUND SYSTEM INTERRUPT CONFIGURATION

Interrupt

JP11

 

IRQ3

Pins 1 & 2 closed

 

IRQ5

Pins 3 & 4 closed

»

IRQ7

Pins 5 & 6 closed

 

IRQ9

Pins 7 & 8 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) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CPU TYPE AND SPEED CONFIGURATIONS

Type

CPU Speed

OSC

JP3

JP4

JP5

80486SX

25MHz

25MHz

Open

Pins 2 & 3 closed

Open

80487SX

25MHz

25MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Closed

80486DX

33MHz

33MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

80486DX2

50i MHz

25MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Closed

80486DX2

66i MHz

33MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed