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





CLASSIC E EXPANDABLE DESKTOP

INTEL CORPORATION

CLASSIC E EXPANDABLE DESKTOP

Processor

80486SX/ODP486/80487SX/80486DX/80486DX2

Processor Speed

16/20/25/33/50(internal)/66(internal)MHz

Chip Set

OPTI

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

Phoenix

Dimensions

426mm x 416mm

I/O Options

32-bit VESA local bus slot, floppy drive interface, IDE interface, parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

Chassis fan power

CN1

Serial port 2

J18

External battery

CN2

Parallel port

J19

Floppy drive interface

J13

Front panel connector

J25

IDE interface

J14

32-bit VESA local bus slot

SL1

Serial port 1

J16

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Flash BIOS normal boot

J3

Pins 2 & 3 closed

 

Flash BIOS recovery mode boot

J3

Pins 1 & 2 closed

»

On board I/O enabled

J4

Pins 1 & 2 closed

 

On board I/O disabled

J4

Pins 2 & 3 closed

»

Password normal operation

J7

Pins 2 & 3 closed

 

Password clear

J7

Pins 1 & 2 closed

»

Parallel port direction select output

J9

Pins 1 & 2 closed

 

Parallel port direction select input

J9

Pins 2 & 3 closed

»

Parallel port direction select hardware for redirection

J11

Pins 2 & 3 closed

 

Parallel port direction select software hardware for redirection

J11

Pins 1 & 2 closed

»

Battery type select 3.6v/4.5v

J17

Pins 2 & 3 closed

 

Battery type select 6v

J17

Pins 1 & 2 closed

»

CMOS memory normal operation

J25 pins 17 & 18

Closed

 

CMOS memory clear

J25 pins 17 & 18

Open

»

Fan enabled

J29

Pins 2 & 3 closed

 

Fan disabled

J29

Pins 1 & 2 closed

»

12v flash BIOS enabled

J30

Pins 1 & 2 closed

 

12v flash BIOS disabled

J30

Pins 2 & 3 closed

»

Local bus ready select delayed

J31

Pins 1 & 2 closed

 

Local bus ready select normal operation

J31

Pins 2 & 3 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

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

None

4MB

(1) 1M x 36

None

None

None

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(1) 1M x 36

(1) 256K x 36

None

None

5MB

(1) 256K x 36

(1) 1M x 36

None

None

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

None

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

None

None

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

None

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

13MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

None

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(1) 4M x 36

(1) 256K x 36

None

None

17MB

(1) 256K x 36

(1) 4M x 36

None

None

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

None

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 1M x 36

None

None

20MB

(1) 1M x 36

(1) 4M x 36

None

None

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

None

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

None

None

33MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

None

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

None

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

49MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

Note: The orientation of the banks is unidentified.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

None

256KB

(4) 32K x 8

(4) 32K x 8

Note: The chip sizes of the TAG and DIRTY bit are unidentified.

CACHE JUMPER CONFIGURATION

Size

J34

None

Open

64KB

Open

128KB

Pins 1 & 2, 5 & 6 closed

256KB

Pins 1 & 2, 3 & 4, 7 & 8 closed

CPU SPEED SELECTION

Speed

J5

J6

16MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

20MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

25MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

33MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

50iMHz

Pins 1 & 2 closed

Pins 2 & 3 closed

66iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU TYPE SELECTION

Type

J32

J33

80486SX

Pins 3 & 4 closed

Pins 4 & 6 closed

80487SX

Pins 1 & 2, 5 & 6 closed

Pins 1 & 3, 2 & 4 closed

ODP486

Pins 1 & 2, 5 & 6 closed

Pins 1 & 3, 2 & 4 closed

80486DX

Pins 1 & 2, 5 & 6 closed

Pins 3 & 5, 4 & 6 closed

80486DX2

Pins 1 & 2, 5 & 6 closed

Pins 3 & 5, 4 & 6 closed

MISCELLANEOUS TECHNICAL NOTE

The location of pin 1 on all jumpers is unidentified.