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486-CCV (REV. A)

DIAMOND FLOWER, INC.

486-CCV (REV. A)

Processor

80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

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

Chip Set

Contaq

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J2

Power LED & keylock

J5

Turbo LED

J3

External battery

J6

Speaker

J4

32-bit VESA slots (2)

S1 & S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J1

Closed

Factory configured - do not alter

JP1

pins 2 & 3 closed

Factory configured - do not alter

JP4

Open

Factory configured - do not alter

JP5

Open

Factory configured - do not alter

JP6

pins 1 & 2 closed

Factory configured - do not alter

JP17

pins 2 & 3 closed

Factory configured - do not alter

JP19

pins 1 & 2 closed

Monitor type select color

JP23

Closed

 

Monitor type select monochrome

JP23

Open

Factory configured - do not alter

JP24

pins 2 & 3 closed

Factory configured - do not alter

JP25

Closed

CMOS memory normal operation (Internal Battery)

JP26

pins 1 & 2 closed

 

CMOS memory normal operation (External Battery)

JP26

Open

 

CMOS memory clear

JP26

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Max Cachable

Bank 0

Bank 1

TAG

64KB

16MB

(4) 8K x 8

(4) 8K x 8

8K x 8

128KB

32MB

(4) 32K x 8

NONE

8K x 8

256KB

32MB

(4) 32K x 8

(4) 32K x 8

32K x 8

CACHE JUMPER CONFIGURATION

Size

JP20

JP21

64KB

pins 2 & 4 closed

pins 2 & 3 closed

128KB

pins 2 & 3 closed

pins 1 & 2 closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP10

JP11

JP18

25MHz

Closed

Closed

Closed

33MHz

Closed

Open

Open

40MHz

Open

Closed

Open

50iMHz

Closed

Closed

Closed

50MHz

Open

Open

Open

66iMHz

Closed

Open

Open

Note:If you intend on using the VL-Bus slots and you are using a DX/50MHz (not the DX 2 /50MHz) you

CPU TYPE CONFIGURATION

Type

JP12

JP13

JP14

JP15

JP16

80486SX

Open

Open

Open

Open

pins 1 & 2

80487SX

Open

Closed

Closed

pins 1 & 2

pins 2 & 3

80486DX

Open

Open

Closed

pins 2 & 3

pins 2 & 3

ODP486SX

Closed

Closed

Closed

pins 1 & 2

pins 2 & 3

80486DX2

Open

Open

Closed

pins 2 & 3

pins 2 & 3

VL-BUS VGA CARD CONFIGURATION

Video Card

JP8

JP9

JP22

No VL-Bus Video card

Closed

Closed

pins 2 & 3

S3 VL-Bus Video card (either slot)

Closed

Closed

pins 1 & 2

Weitek P9000 installed in SL1

Open

Closed

pins 2 & 3

Weitek P9000 installed in SL2

Closed

Open

pins 2 & 3

VL-Bus boards not supported

Open

Open

pins 2 & 3

VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

CPU speed

Wait states

JP2 (ID3)

JP3 (ID2)

<=33MHz

0 wait states

Open

Open

>33MHz

1 wait state

Closed

Closed