ACER, INC.

V10-486 ALL IN ONE, 486U AIO ALL IN ONE

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

Unidentified

Maximum Video Memory

None

Cache

128/256KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, IDE interface, SCSI interface, parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CO1

Chassis fan power

J9

Serial port 2

CO2

Front panel connector

J10

PS/2 mouse port

J2

Keyboard & PS/2 mouse connector

J11

External battery

J3

IDE interface LED

J12

SCSI interface

J6

Parallel port

PT1

Floppy drive interface

J7

32-bit VESA local bus slots

SL1 & SL2

IDE interface

J8

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Password enabled

JP1

Pins 1 & 2 closed

 

Password disabled

JP1

Pins 2 & 3 closed

»

Factory configured - do not alter

JP4

Open

»

Factory configured - do not alter

JP5

Open

 

SCSI I/O address select 340h

JP6

Open

 

SCSI I/O address select 140h

JP6

Closed

 

MS105 enabled

JP7

Closed

 

MS105 disabled

JP7

Open

 

Parallel port bidirectional

JP8

Closed

 

Parallel port unidirectional

JP8

Open

 

Battery type select internal

JP9

Closed

 

Battery type select external

JP9

Open

»

Factory configured - do not alter

JP12

Unidentified

»

Factory configured - do not alter

JP13

Unidentified

»

Factory configured - do not alter

JP14

Unidentified

 

Reset button enabled

JP23

Closed

 

Reset button disabled

JP23

Open

 

Keylock enabled

JP24

Open

 

Keylock disabled

JP24

Closed

»

Factory configured - do not alter

JX1

Unidentified

DRAM CONFIGURATION

Note: The maximum amount of memory is unidentified. Bank 0 is factory installed with 4MB memory.

DRAM JUMPER CONFIGURATION

Setting

JP15

On board 4MB enabled

Pins 2 & 3 closed

On board 4MB disabled

Pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

None

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP20

JP21

JP22

128KB

Pins 1 & 2 closed

Closed

Open

256KB

Pins 2 & 3 closed

Open

Closed

CPU SPEED SELECTION

Speed

JP10

20MHz

Pins 1 & 6 closed

25MHz

Pins 2 & 7 closed

33MHz

Pins 3 & 8 closed

40MHz

Pins 4 & 9 closed

50iMHz

Pins 2 & 7 closed

50MHz

Pins 5 & 10 closed

66iMHz

Pins 3 & 8 closed

VL BUS WAIT STATE SELECTION

Setting

JP11

 

0

Open

»

1

Closed

SCSI INTERRUPT SELECTION

IRQ

JP3

IRQ10

Pins 1 & 2 closed

IRQ11

Pins 2 & 3 closed

SCSI interface disabled

Open