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G586OPA (REV. 0+)

DIAMOND FLOWER, INC.

G586OPA (REV. 0+)

Device Type

Mainboard

Processor

Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

OPTI

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

JP3

IDE interface LED

JP14

IDE interface 2

JP4

Power LED & LED

JP15

Floppy drive interface

JP5

Speaker

JP16

IDE interface 1

JP6

Reset switch

JP17

Serial port 1

JP7

Green LED

JP18

Serial port 2

JP8

CPU fan power

JP22

PS/2 mouse interface

JP9

32-bit PCI slots

PC1 PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

J2

Pins 2 & 3 closed

Factory configured - do not alter

J3

Pins 2 & 3 closed

Factory configured - do not alter

J4

Pins 2 & 3 closed

Factory configured - do not alter

J8

Closed

Factory configured - do not alter

J11

Closed

Factory configured - do not alter

J12

Closed

Flash BIOS voltage select 5v

J16

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

J16

Pins 2 & 3 closed

PS/2 mouse IRQ12 enabled

J17

Closed

 

PS/2 mouse IRQ12 disabled

J17

Open

Monitor type select color

J18

Pins 2 & 3 closed

 

Monitor type select monochrome

J18

Pins 1 & 2 closed

Factory configured - do not alter

J19

Open

Factory configured - do not alter

J20

Pins 2 & 3 closed

Factory configured - do not alter

J21

Closed

Factory configured - do not alter

J22

Closed

Factory configured - do not alter

J23

Closed

Factory configured - do not alter

J24

Closed

Factory configured - do not alter

J25

Closed

Factory configured - do not alter

J50

Open

Factory configured - do not alter

J51

Pins 2 & 3 closed

Factory configured - do not alter

J56

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

None

4MB

(2) 512K x 36

None

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 2M x 36

(2) 256K x 36

20MB

(2) 512K x 36

(2) 2M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 4M x 36

(2) 256K x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

66MB

(2) 8M x 36

(2) 256K x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 32K x 8

512KB

(8) 64K x 8

(1) 32K x 8

1MB

(8) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J6

J7

256KB

Open

Open

512KB

Open

Closed

1MB

Closed

Closed

CACHE VOLTAGE SELECTION

Voltage

JP1

JP2

 

3.3v

Pins 1 & 2 closed

Pins 1 & 2 closed

Mixed voltage

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J9

J10

J13

75MHz

50MHz

1.5x

Open

Open

Open

90MHz

60MHz

1.5x

Closed

Closed

Open

100MHz

66MHz

1.5x

Open

Closed

Open

100MHz

50MHz

2x

Open

Open

Closed

120MHz

60MHz

2x

Closed

Closed

Closed

133MHz

66MHz

2x

Open

Closed

Closed

DMA CHANNEL SELECTION

Channel

JP11

JP13

1

Pins 2 & 3 closed

Pins 2 & 3 closed

 

3

Pins 1 & 2 closed

Pins 1 & 2 closed