486-OCV PLUS

DIAMOND FLOWER, INC.

486-OCV PLUS

Processor

80486SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

Opti

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

CONNECTIONS

Purpose

Location

Purpose

Location

Diagnostic LCD port

J1

Turbo switch

J7

Keyboard connector

J2

Reset switch

J8

Speaker

J3

PS/2 mouse port

J9

Power LED & keylock

J4

External battery

J10

Turbo LED

J5

32-bit VESA Local bus slots

SL1, SL2

Reset switch

J6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation (External Battery)

J11

pins 1,2,3 open

CMOS memory normal operation (Internal Battery)

J11

pins 1 & 2 closed

CMOS memory clear

J11

pins 2 & 3 closed

»

Factory configured - do not alter

JP13

Open

»

Factory configured - do not alter

JP14

Closed

»

Factory configured - do not alter

JP26

pins 1 & 2 closed

»

Monitor type select color

JP29

Closed

Monitor type select monochrome

JP29

Open

»

Factory configured - do not alter

JP31

pins 1 & 2 closed

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) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 2M x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 512K x 36

NONE

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(4) 2M x 36

NONE

NONE

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

9MB

(4) 2M x 36

NONE

(1) 256K x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(4) 2M x 36

NONE

(1) 1M x 36

NONE

13MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

13MB

(1) 256K x 36

(1) 1M x 36

(1) 2M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 36

NONE

NONE

NONE

16MB

(4) 2M x 36

NONE

(1) 2M x 36

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 512K x 36

NONE

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

NONE

(1) 4M x 36

NONE

24MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

24MB

(1) 4M x 36

(1) 1M x 36

(1) 4M x 36

NONE

28MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

28MB

(1) 2M x 36

NONE

(1) 4M x 36

(1) 1M x 36

28MB

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 1M x 36

(1) 4M x 36

(1) 2M x 36

NONE

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 4M x 36

(1) 1M x 36

(4) 2M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

32MB

(1) 8M x 36

NONE

NONE

NONE

34MB

(1) 256K x 236

(1) 256K x 236

(1) 4M x 36

(1) 4M x 36

34MB

(1) 512K x 36

NONE

(1) 8M x 36

NONE

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 4M x 36

(1) 1M x 36

(1) 4M x 36

NONE

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

36MB

(1) 8M x 36

NONE

(1) 1M x 36

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(4) 2M x 36

NONE

(1) 8M x 36

NONE

40MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

40MB

(1) 4M x 36

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

40MB

(1) 8M x 36

NONE

(1) 2M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 8M x 36

NONE

(1) 4M x 36

NONE

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 1M x 36

(1) 4M x 36

(1) 8M x 36

NONE

52MB

(1) 4M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 4M x 36

(1) 1M x 36

(1) 8M x 36

NONE

52MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

52MB

(4) 8M x 36

NONE

(1) 4M x 36

(1) 1M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

NONE

(1) 8M x 36

NONE

CPU SPEED SELECTION

Speed

JP12

JP25

25MHz

Open

pins 2 & 3 closed

33MHz

Closed

pins 2 & 3 closed

50iMHz

Open

pins 1 & 2 closed

50MHz

Open

pins 2 & 3 closed

66iMHz

Closed

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

8K x 8

128KB

(4) 32K x 8

NONE

8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

16K x 8 or 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP8

JP9

64KB

Open

Open

pins 2 & 3 closed

pins 2 & 3 closed

128KB

Closed

Open

pins 1 & 2 closed

pins 1 & 2 closed

256KB

Closed

Closed

pins 2 & 3 closed

pins 2 & 3 closed

VESA WAIT STATE/BUS SPEED CONFIGURATION

CPU speed

Wait states

JP23

JP24

< 33MHz

0 wait states

Open

Open

> 33MHz

1 wait state

Closed

Closed

VESA CONFIGURATION

Function

JP18

JP34

No delay

pins 2 & 3 closed

pins 2 & 3 closed

Delay 1 PLCK

pins 1 & 2 closed

pins 1 & 2,3 & 4 closed

Note:If using a 80486DX 50mhz CPU, the recommended setting is for delay 1 PLCK.

Processor	80486SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/50/66(internal)/66MHz
Chip Set	Opti
Max. Onboard DRAM	64MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2)

CONNECTIONS
Purpose	Location	Purpose	Location
Diagnostic LCD port	J1	Turbo switch	J7
Keyboard connector	J2	Reset switch	J8
Speaker	J3	PS/2 mouse port	J9
Power LED & keylock	J4	External battery	J10
Turbo LED	J5	32-bit VESA Local bus slots	SL1, SL2
Reset switch	J6

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation (External Battery)	J11	pins 1,2,3 open
	CMOS memory normal operation (Internal Battery)	J11	pins 1 & 2 closed
	CMOS memory clear	J11	pins 2 & 3 closed
»	Factory configured - do not alter	JP13	Open
»	Factory configured - do not alter	JP14	Closed
»	Factory configured - do not alter	JP26	pins 1 & 2 closed
»	Monitor type select color	JP29	Closed
	Monitor type select monochrome	JP29	Open
»	Factory configured - do not alter	JP31	pins 1 & 2 closed

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) 1M x 36	NONE	NONE	NONE
5MB	(1) 256K x 36	(1) 1M x 36	NONE	NONE
6MB	(1) 2M x 36	(1) 256K x 36	(1) 1M x 36	NONE
6MB	(1) 512K x 36	NONE	(1) 1M x 36	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
8MB	(4) 2M x 36	NONE	NONE	NONE
9MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	NONE
9MB	(4) 2M x 36	NONE	(1) 256K x 36	NONE
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
12MB	(4) 2M x 36	NONE	(1) 1M x 36	NONE
13MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
13MB	(1) 256K x 36	(1) 1M x 36	(1) 2M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(4) 4M x 36	NONE	NONE	NONE
16MB	(4) 2M x 36	NONE	(1) 2M x 36	NONE
18MB	(1) 256K x 36	(1) 256K x 36	(1) 4M x 36	NONE
18MB	(1) 512K x 36	NONE	(1) 4M x 36	NONE
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
20MB	(1) 4M x 36	(1) 1M x 36	NONE	NONE
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	NONE
24MB	(1) 2M x 36	NONE	(1) 4M x 36	NONE
24MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	NONE
24MB	(1) 4M x 36	(1) 1M x 36	(1) 4M x 36	NONE
28MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36
28MB	(1) 2M x 36	NONE	(1) 4M x 36	(1) 1M x 36
28MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
28MB	(1) 1M x 36	(1) 4M x 36	(1) 2M x 36	NONE
28MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
28MB	(1) 4M x 36	(1) 1M x 36	(4) 2M x 36	NONE
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE

CPU SPEED SELECTION
Speed	JP12	JP25
25MHz	Open	pins 2 & 3 closed
33MHz	Closed	pins 2 & 3 closed
50iMHz	Open	pins 1 & 2 closed
50MHz	Open	pins 2 & 3 closed
66iMHz	Closed	pins 2 & 3 closed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	8K x 8
128KB	(4) 32K x 8	NONE	8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	16K x 8 or 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP6	JP7	JP8	JP9
64KB	Open	Open	pins 2 & 3 closed	pins 2 & 3 closed
128KB	Closed	Open	pins 1 & 2 closed	pins 1 & 2 closed
256KB	Closed	Closed	pins 2 & 3 closed	pins 2 & 3 closed

VESA WAIT STATE/BUS SPEED CONFIGURATION
CPU speed	Wait states	JP23	JP24
< 33MHz	0 wait states	Open	Open
> 33MHz	1 wait state	Closed	Closed

VESA CONFIGURATION
Function	JP18	JP34
No delay	pins 2 & 3 closed	pins 2 & 3 closed
Delay 1 PLCK	pins 1 & 2 closed	pins 1 & 2,3 & 4 closed
Note:If using a 80486DX 50mhz CPU, the recommended setting is for delay 1 PLCK.