EASYDATA COMPUTER PRODUCTS

486 ENERGY SAVING VESA

Processor

CX486S/CX486DLC/80486SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

96MB

Cache

64/128/256KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J1

Speaker

J10

Green power supply connector

J3

Power LED & keylock

J11

External battery

J4

PS/2 mouse port

CN1

Turbo LED

J8

32-bit VESA Local bus slots

SL1 & SL2

Reset switch

J9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome/EGA/VGA

J2

Open

 

Monitor type select color

J2

Closed

»

Battery type select - internal

J5

pins 2 & 3 closed

 

Battery type select - external

J5

pins 1 & 2 closed

»

Adaptec ISA master 1542B/C SCSI card (transfer rate <5.7MB/s)

J6

Open

 

Adaptec ISA master 1542B/C SCSI card (transfer rate >5.7MB/s)

J6

Closed

»

CMOS memory normal operation

J7

Open

 

CMOS memory clear

J7

Closed

»

Cyrix CPU clock mode select (1X)

J12

pins 2 & 3 closed

 

Cyrix CPU clock mode select (2X)

J12

pins 1 & 2 closed

»

Factory configured - do not alter

JP1

pins 1 & 2 closed

»

Regular CPU installed

JP2, JX2

pins 1 & 2 closed

 

Cyrix or Intel S-series CPU installed

JP2, JX2

pins 2 & 3 closed

»

VESA VGA card not installed in slot

JP4

pins 1 & 2 closed

 

VESA VGA card installed in slot SL2

JP4

pins 2 & 3 closed

»

Factory configured - do not alter disabled

JP5

pins 1 & 2 closed

»

PQFP CPU disabled

JC6

Closed

 

PQFP CPU enabled

JC6

Open

»

P24T write back cache enabled

JT1

pins 1 & 2 closed

 

P24T write through cache enabled

JT1

pins 2 & 3 closed

»

CPU clock mode select (1X)

JX1

pins 1 & 2 closed

 

CPU clock mode select (2X)

JX1

pins 2 & 3 closed

»

Intel S/DX/DX2 CPU installed

JCX1

Open

 

Cyrix CX486S/DX installed

JCX1

Closed

»

Intel S/DX/DX2 CPU installed

JCX2

pins 1 & 2 closed

 

Cyrix CX486S/DX installed

JCX2

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

1MB

NONE

NONE

(1) 256K x 36

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

NONE

(1) 256K x 36

(1) 256K x 36

2MB

(4) 256K x 9

NONE

(1) 256K x 36

3MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

4MB

NONE

NONE

(1) 1M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

5MB

(4) 256K x 9

(1) 1M x 36

NONE

5MB

(4) 256K x 9

NONE

(1) 1M x 36

5MB

(4) 1M x 9

(1) 256K x 36

NONE

5MB

(4) 1M x 9

NONE

(1) 256K x 36

5MB

NONE

(1) 256K x 36

(1) 1M x 36

5MB

NONE

(1) 1M x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

6MB

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

8MB

(4) 1M x 9

(1) 1M x 36

NONE

8MB

(4) 1M x 9

NONE

(1) 1M x 36

8MB

NONE

(1) 1M x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

9MB

(4) 1M x 9

(1) 256K x 36

(1) 1M x 36

9MB

(4) 1M x 9

(1) 1M x 36

(1) 256K x 36

12MB

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

16MB

NONE

NONE

(1) 4M x 36

17MB

(4) 256K x 9

(1) 4M x 36

NONE

17MB

(4) 256K x 9

NONE

(1) 4M x 36

17MB

NONE

(1) 256K x 36

(1) 4M x 36

17MB

NONE

(1) 4M x 36

(1) 256K x 36

17MB

(4) 4M x 9

(1) 256K x 36

NONE

17MB

(4) 4M x 9

NONE

(1) 256K x 36

18MB

(4) 256K x 9

(1) 256K x 36

(1) 4M x 36

18MB

(4) 256K x 9

(1) 4M x 36

(1) 256K x 36

18MB

(4) 4M x 9

(1) 256K x 36

(1) 256K x 36

20MB

(4) 1M x 9

(1) 4M x 36

NONE

20MB

(4) 1M x 9

NONE

(1) 4M x 36

20MB

(4) 4M x 9

(1) 1M x 36

NONE

20MB

(4) 4M x 9

NONE

(1) 1M x 36

20MB

NONE

(1) 1M x 36

(1) 4M x 36

20MB

NONE

(1) 4M x 36

(1) 1M x 36

21MB

(4) 256K x 9

(1) 1M x 36

(1) 4M x 36

21MB

(4) 256K x 9

(1) 4M x 36

(1) 1M x 36

21MB

(4) 1M x 9

(1) 256K x 36

(1) 4M x 36

21MB

(4) 1M x 9

(1) 4M x 36

(1) 256K x 36

21MB

(4) 4M x 9

(1) 256K x 36

(1) 1M x 36

21MB

(4) 4M x 9

(1) 1M x 36

(1) 256K x 36

24MB

(4) 1M x 9

(1) 1M x 36

(1) 4M x 36

24MB

(4) 1M x 9

(1) 4M x 36

(1) 1M x 36

24MB

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

DRAM CONFIGURATION(CON’T)

Size

Bank 0

Bank 1

Bank 2

32MB

(4) 4M x 9

(1) 4M x 36

NONE

32MB

(4) 4M x 9

NONE

(1) 4M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

33MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

33MB

(4) 4M x 9

(1) 256K x 36

(1) 4M x 36

33MB

(4) 4M x 9

(1) 4M x 36

(1) 256K x 36

36MB

(1) 4M x 9

(1) 4M x 36

(1) 4M x 36

36MB

(4) 4M x 9

(1) 1M x 36

(1) 4M x 36

36MB

(4) 4M x 9

(1) 4M x 36

(1) 1M x 36

48MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

64MB

(4) 16M x 9

NONE

NONE

65MB

(4) 16M x 9

(1) 256K x 36

NONE

65MB

(4) 16M x 9

NONE

(1) 256K x 36

66MB

(4) 16M x 9

(1) 256K x 36

(1) 256K x 36

68MB

(4) 16M x 9

(1) 1M x 36

NONE

68MB

(4) 16M x 9

NONE

(1) 1M x 36

69MB

(4) 16M x 9

(1) 256K x 36

(1) 1M x 36

69MB

(4) 16M x 9

(1) 1M x 36

(1) 256K x 36

72MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

80MB

(4) 16M x 9

(1) 4M x 36

NONE

80MB

(4) 16M x 9

NONE

(1) 4M x 36

81MB

(4) 16M x 9

(1) 256K x 36

(1) 256K x 36

81MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

84MB

(4) 16M x 9

(1) 1M x 36

(1) 4M x 36

84MB

(4) 16M x 9

(1) 4M x 36

(1) 1M x 36

96MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

JS3

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JC1

JC2

JC3

JC4

JC5

JC7

Intel 486SX

2 & 3

2 & 3

Open

Open

Closed

1 & 2

CX486S

2 & 3

2 & 3

Closed

Open

Open

1 & 2

CX486S/487S

1 & 2

1 & 2

Closed

Open

Open

1 & 2

CX486DX

1 & 2

1 & 2

Closed

Open

Open

1 & 2

Intel 486DX/DX2

1 & 2

1 & 2

Closed

Open

Closed

1 & 2

P23S

2 & 3

2 & 3

Open

Open

Closed

1 & 2

P24S/P4S

1 & 2

1 & 2

Closed

Open

Closed

1 & 2

P24T

1 & 2

1 & 2

Open

Closed

Open

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

RN13

RN14

RN16

Intel 80486SX (PGA)

Not installed

Not installed

Not installed

CX486S (PGA)

Not installed

Not installed

Installed

CX486S (PQFP)

Not installed

Installed

Not installed

CX486S/CX487S (PGA)

Not installed

Not installed

Installed

CX486DX (PGA)

Not installed

Not installed

Installed

Intel 80486DX

Not installed

Not installed

Not installed

Intel 80486DX2

Not installed

Not installed

Not installed

P23S/P4S (PQFP)

Not installed

Installed

Not installed

P23S/P4S/P24S

Installed

Not installed

Not installed

CLOCK SPEED CONFIGURATION

Speed

JK1

JK2

JK3

JK4

20MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

50iMHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

50MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

66iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

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

CPU speed

Wait states

JV2

JV3

< 33MHz

0 wait states

pins 2 & 3 closed

pins 2 & 3 closed

> 33MHz

1 wait state

pins 1 & 2 closed

pins 1 & 2 closed