...because we can't all be on the bleeding edge...





G486VPB (Rev. 0+)

DIAMOND FLOWER, INC.

G486VPB (Rev. 0+)

Device Type

Mainboard

Processor

80486SX/80486DX/CX486DX/80486DX2/CX486DX2/

AM486DX2(SV8B)/AM486DX2(NV8T)/ST486DX2/80486DX4/

80486DX4OverDrive/CX486DX4/AM486DX4(SV8B)/AM486DX4(NV8T)/AM5X86/AM5X86-P75/CX5X86/P24T

Processor Speed

25/33/40/50/63(internal)/66(internal)/80(internal)/83(internal)/

100(internal)/120(internal)/133(internal)MHz

Chip Set

VIA

Maximum Onboard Memory

128MB DRAM (EDO supported)

Cache

128/256/512KB

BIOS

Award

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interface (2), parallel port, serial ports (2), PS/2 mouse connector, green PC connector

Dimensions

220mm x 220mm

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J1

Keylock

J10

Serial port 2

J2

Speaker

J11

External battery connector

J3

Reset switch

J12

Floppy drive interface

J4

Turbo/green PC connector

J13

Parallel port

J5

Turbo LED

J14

IDE interface 2

J6

Green PC LED

J15

IDE interface 1

J7

32-bit PCI slots

PCI1-4

IDE interface 2 LED

J8

PS/2 mouse connector

CN3

IDE interface 1 LED

J9

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Battery type select external

JP3

Pins 1 & 2 closed

 

Battery type select internal

JP3

Pins 2 & 3 closed

»

12V flash EPROM 28F010

JP5

Pins 1 & 2 closed

 

5V flash EPROM 29F010 or EPROM 27C010

JP5

Pins 2 & 3 closed

»

CMOS memory normal operation

JP22

Pins 1 & 2 closed

 

CMOS memory clear

JP22

Pins 2 & 3 closed

»

Factory configured - do not alter

SW1/1

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(1) 256K x 36

None

2MB

(1) 256K x 36

(1) 256K x 36

2MB

(1) 512K x 36

None

3MB

(1) 512K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

4MB

(1) 1M x 36

None

5MB

(1) 1 M x 36

(1) 256K x 36

6MB

(1) 1M x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

None

9MB

(1) 2M x 36

(1) 256K x 36

10MB

(1) 2M x 36

(1) 512K x 36

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

DRAM CONFIGURATION (CONT.)

Size

Bank 0

Bank 1

16MB

(1) 4M x 36

None

17MB

(1) 4M x 36

(1) 256K x 36

18MB

(1) 4M x 36

(1) 512K x 36

20MB

(1) 4M x 36

(1) 1M x 36

24MB

(1) 4M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

None

33MB

(1) 8M x 36

(1) 256K x 36

34MB

(1) 8M x 36

(1) 512K x 36

36MB

(1) 8M x 36

(1) 1M x 36

40MB

(1) 8M x 36

(1) 2M x 36

48MB

(1) 8M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

64MB

(1) 16M x 36

None

65MB

(1) 16M x 36

(1) 256K x 36

66MB

(1) 16M x 36

(1) 512K x 36

68MB

(1) 16M x 36

(1) 1M x 36

72MB

(1) 16M x 36

(1) 2M x 36

80MB

(1) 16M x 36

(1) 4M x 36

96MB

(1) 16M x 36

(1) 8M x 36

128MB

(1) 16M x 36

(1) 16M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 16K x 8

256KB

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J10

J11

J12

J13

J14

128KB

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

256KB

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

512KB

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU EXTERNAL CLOCK SPEED SELECTION

Speed

JP15

JP17

JP19

25MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

33MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

40MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

50MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

50iMHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

63iMHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

66iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

80iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

83iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

100iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

120iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

133iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

JP6

JP18

JP20

JP25

JP26

JP27

80486SX

2 & 3

Open

Open

Open

2 & 3

2 & 3

80486DX/DX2

2 & 3

Open

Open

1 & 2

1 & 2

1 & 2

80486DX4

2 &3

2 & 3

Open

1 & 2

1 & 2

1 & 2

80486DX4OverDrive

2 & 3

2 & 3

Open

2 & 3

1 & 2

1 & 2

Pentium OverDrive

2 & 3

2 & 3

Open

2 & 3

1 & 2

1 & 2

AM486DX2 SV8B

2 & 3

2 & 3

Open

1 & 2

1 & 2

1 & 2

AM486DX2 NV8T

2 & 3

2 & 3

Open

1 & 2

1 & 2

1 & 2

AM486DX4 SV8B

2 & 3

2 & 3

Open

1 & 2

1 & 2

1 & 2

AM486DX4 NV8T

2 & 3

2 & 3

Open

1 & 2

1 & 2

1 & 2

CX486DX

2 & 3

1 & 2

Open

1 & 2

1 & 2

1 & 2

CX486DX2

2 & 3

1 & 2

Open

1 & 2

1 & 2

1 & 2

CX486DX4

2 & 3

1 & 2

Open

1 & 2

1 & 2

1 & 2

ST486DX2

2 & 3

1 & 2

Open

1 & 2

1 & 2

1 & 2

AM5x86-P75

2 & 3

2 & 3

Open

1 & 2

1 & 2

1 & 2

CX5x86

2 & 3

1 & 2

Open

1 & 2

1 & 2

1 & 2

Note: Numbers designate pins that should be in the closed position.

CPU TYPE SELECTION (CON’TW)

Type

JP28

JP29

JRN1

JRN2

JRN3

80486SX

Open

Open

Open

Closed

Open

80486DX/DX2

Open

Open

Open

Closed

Open

80486DX4

Open

Open

Open

Closed

Open

80486DX4OverDrive

Open

Open

Open

Closed

Open

Pentium OverDrive

Open

Open

Open

Closed

Open

AM486DX2 SV8B

Closed

Open

Open

Closed

Open

AM486DX2 NV8T

Open

Closed

Open

Closed

Open

AM486DX4 SV8B

Open

Open

Open

Closed

Open

AM486DX4 NV8T

Open

Open

Open

Closed

Open

CX486DX

Open

Open

Closed

Open

Open

CX486DX2

Open

Open

Closed

Open

Open

CX486DX4

Open

Open

Closed

Open

Open

ST486DX2

Open

Open

Closed

Open

Open

AM5x86-P75

Closed

Open

Open

Closed

Open

CX5x86

Open

Open

Open

Closed

Open

CPU VOLTAGE SELECTION

Voltage

JP21

JP23

JP24

3.45v

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

3.6v

Pins 3 & 4 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

4v

Pins 5 & 6 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

VL BUS SPEED SELECTION

Speed

JP4

JP8

»

<= 33MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

 

>33 MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JP1

JP1

None

Open

Open

1

Pins 1 & 3 closed

Pins 2 & 4 closed

3

Pins 3 & 5 closed

Pins 4 & 6 closed

PS/2 MOUSE SELECTION

Setting

JP2

JP31

»

Disabled

Pins 2 & 3 closed

Closed

 

Enabled

Pins 1 & 2 closed

Open