ACER, INC.

VI15G

Processor

80486SX/CX486DX/AMD486DX/80486DX/ODP486SX/CX486DX2/AMD486DXL/AMD486DX2/80486DX2

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

AMI

Dimensions

254mm x 220mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED (green PC LED)

J4 (pins 12 - 13)

Chassis fan power

J2

Turbo switch (green PC break)

J4 (pins 15 - 16)

Chassis fan power

J3

Reset switch

J4 (pins 19 - 20)

Power LED & keylock

J4 (pins 1 - 5)

32-bit VESA local bus slots

SL1 - SL3

Speaker

J4 (pins 6 - 10)

   

Note: The location of J3 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP6

pins 1 & 2 closed

 

CMOS memory clear

JP6

pins 2 & 3 closed

»

Factory configured - do not alter

JP7

Open

»

Factory configured - do not alter

JP8

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 512K x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 1M x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 512K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 4M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 8M x 36

NONE

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

256KB

(4) 64K x 8

NONE

512KB

(4) 128K x 8

NONE

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

128KB

pins 1 & 2, 4 & 5, 8 & 9 closed

pins 1 & 2, 4 & 5, 8 & 9 closed

256KB

pins 2 & 3, 5 & 6, 8 & 9 closed

pins 2 & 3, 5 & 6, 8 & 9 closed

256KB

pins 1 & 2, 5 & 6, 8 & 9 closed

pins 1 & 2, 4 & 5, 8 & 9 closed

512KB

pins 1 & 2, 5 & 6, 7 & 8 closed

pins 1 & 2, 4 & 5, 7 & 8 closed

CPU TYPE CONFIGURATION

Type

JP9

JP10

JP13

JP23

CX486S

2 & 3

2 & 3

1 & 2

2 & 3, 5 & 6, 7 & 8

SL80486SX

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6, 7 & 8

80486SX

1 & 2

1 & 2

Open

6 & 7

AMD486DXL

2 & 3

2 & 3

2 & 3

5 & 6, 7 & 8

80486DX/DX2

1 & 2

1 & 2

Open

5 & 6, 7 & 8

P24D

1 & 2

2 & 3

1 & 2

1 & 2, 3 & 4, 5 & 6, 7 & 8

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP24

JP25

JP26

JP27

CX486S

2 & 3, 7 & 8

2 & 3

4 & 5

2 & 3, 7 & 8

SL80486SX

7 & 8

Open

1 & 2, 5 & 6

4 & 5, 7 & 8

80486SX

Open

Open

Open

7 & 8

AMD486DXL

3 & 4, 5 & 6

Open

Open

7 & 8

80486DX/DX2

7 & 8

Open

Open

7 & 8

P24D

7 & 8

1 & 2, 5 & 6

2 & 3, 5 & 6, 7 & 8

4 & 5, 6 & 7

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP11

25MHz

pins 1 & 2, 5 & 6 closed

33MHz

pins 1 & 2, 3 & 4 closed

40MHz

pins 5 & 6 closed

50iMHz

pins 1 & 2, 5 & 6 closed

50MHz

pins 3 & 4 closed

66iMHz

pins 1 & 2, 3 & 4 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP18

0 wait states

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

JP19

<= 33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed