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PVI-486AP4

ASUS COMPUTER INTERNATIONAL

PVI-486AP4

Processor

CX486S/80486SX/80487SX/80486SX2/CX486DX/80486DX/ODP486SX/ CX486DX2/CX486DX2-V/80486DX2/80486DX4/Pentium Overdrive

Processor Speed

25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI bus slots (4), 32-bit VESA local bus slot, green PC feature, IDE interface, PS/2 mouse connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse connector

J1

Speaker

J7

IDE interface

J2

Power LED & keylock

J8

Green PC connector

J3

IDE interface LED

JP40

Turbo switch

J4

32-bit PCI slots

PC1 - PC4

Turbo LED

J5

32-bit VESA Local bus slots

SL1

Reset switch

J6

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome/VGA

JP1

pins 1 & 2 closed

 

Monitor type select CGA

JP1

pins 2 & 3 closed

Flash BIOS voltage select 5 volt

JP12

pins 2 & 3 closed

 

Flash BIOS voltage select 12 volt

JP12

pins 1 & 2 closed

Flash BIOS write protect enabled

JP13

pins 1 & 2 closed

 

Flash BIOS write protect disabled

JP13

pins 2 & 3 closed

Cache type select write through

JP17

Open

 

Cache type select write back

JP17

pins 1 & 2 closed

On board mouse enabled

JP28

pins 2 & 3 closed

 

On board mouse disabled

JP28

pins 1 & 2 closed

IDE controller IRQ select IRQ14

JP29

pins 1 & 2 closed

 

IDE controller IRQ select IRQ15

JP29

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

6MB

(1) 1M x 36

NONE

(1) 512K x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

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

24MB

(1) 4M x 36

NONE

(1) 2M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 8M x 36

NONE

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

96MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(2) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(2) 32K x 8

256KB

(4) 64K x 8

NONE

(2) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(2) 32K x 8

512KB

(4) 128K x 8

NONE

(2) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP20

JP21

128KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 1 & 2 closed

pins 2 & 3 closed

256KB

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

512KB

pins 2 & 3 closed

pins 2 & 3, 4 & 5 closed

512KB

pins 2 & 3 closed

pins 1 & 2, 3 & 4 closed

CPU TYPE CONFIGURATION

Type

JP18

JP19

CX486S

pins 2 & 3, 4 & 5 closed

pins 1 & 2, 4 & 5 closed

AMD486SX/SX2

pins 1 & 2, 4 & 5 closed

pins 4 & 5 closed

80486SX/SX2

pins 1 & 2, 4 & 5 closed

pins 1 & 2, 4 & 5 closed

80487SX

pins 1 & 2, 4 & 5 closed

pins 1 & 2, 3 & 4 closed

SL 80486SX/SX2

pins 2 & 3, 4 & 5 closed

pins 1 & 2, 4 & 5 closed

CX486DX/DX2/DX2-V

pins 1 & 2, 4 & 5 closed

pins 1 & 2, 3 & 4 closed

AMD486DX/DX2

pins 1 & 2, 4 & 5 closed

pins 3 & 4 closed

80486DX/DX2

pins 1 & 2, 4 & 5 closed

pins 1 & 2, 3 & 4 closed

SL 80486DX/DX2

pins 2 & 3, 4 & 5 closed

pins 1 & 2, 3 & 4 closed

80486DX4

pins 2 & 3, 4 & 5 closed

pins 1 & 2, 3 & 4 closed

Overdrive

pins 1 & 2, 4 & 5 closed

pins 1 & 2, 3 & 4 closed

SL Overdrive

pins 2 & 3, 4 & 5 closed

pins 1 & 2, 3 & 4 closed

Pentium Overdrive

pins 2 & 3, 5 & 6 closed

pins 1 & 2, 3 & 4 closed

CPU SPEED CONFIGURATION

Speed

JP25

JP26

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 1 & 2 closed

pins 2 & 3 closed

50iMHz

pins 2 & 3 closed

pins 1 & 2 closed

66iMHz

pins 1 & 2 closed

pins 2 & 3 closed

75iMHz

pins 2 & 3 closed

pins 1 & 2 closed

100iMHz

pins 1 & 2 closed

pins 2 & 3 closed

CPU CLOCK SPEED CONFIGURATION (80846DX4)

Speed

JP17

2x

pins 4 & 5 closed

2.5x

pins 3 & 4 closed

3x

Open

Note: The use of JP17 depends on which CPU is installed. The above setting is used only if a DX4 is installed. Otherwise, use JP17 setting located in the user configurable table.

BUS SPEED CONFIGURATION

CPU speed

JP22

<=33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed

CPU VOLTAGE CONFIGURATION

Voltage

JP30

JP31

3.3 volt (Intel 80486DX4)

pins 1 & 2 closed

pins 2 & 3 closed

3.6 volt (Cyrix DX2-V)

pins 2 & 3 closed

pins 1 & 2 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP23

0 wait states

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

PCI INTERRUPT CONFIGURATION (IRQ5)

PCI slot

JP2

JP11

Default

pins 2 & 3 closed

pins 2 & 3 closed

PC1

pins 1 & 2 closed

N/A

PC2

pins 3 & 4 closed

N/A

PC3

N/A

pins 1 & 2 closed

PC4

N/A

pins 3 & 4 closed

PCI INTERRUPT CONFIGURATION (IRQ9)

PCI slot

JP3

JP10

Default

pins 2 & 3 closed

pins 2 & 3 closed

PC1

pins 1 & 2 closed

N/A

PC2

pins 3 & 4 closed

N/A

PC3

N/A

pins 1 & 2 closed

PC4

N/A

pins 3 & 4 closed

PCI INTERRUPT CONFIGURATION (IRQ11)

PCI slot

JP4

JP9

Default

pins 2 & 3 closed

pins 2 & 3 closed

PC1

pins 1 & 2 closed

N/A

PC2

pins 3 & 4 closed

N/A

PC3

N/A

pins 1 & 2 closed

PC4

N/A

pins 3 & 4 closed

PCI INTERRUPT CONFIGURATION (IRQ14)

PCI slot

JP5

JP8

Default

pins 2 & 3 closed

pins 2 & 3 closed

PC1

pins 1 & 2 closed

N/A

PC2

pins 3 & 4 closed

N/A

PC3

N/A

pins 1 & 2 closed

PC4

N/A

pins 3 & 4 closed

PCI INTERRUPT CONFIGURATION (IRQ15)

PCI slot

JP6

JP7

Default

pins 2 & 3 closed

pins 2 & 3 closed

PC1

pins 1 & 2 closed

N/A

PC2

pins 3 & 4 closed

N/A

PC3

N/A

pins 1 & 2 closed

PC4

N/A

pins 3 & 4 closed