HwMuseum | Index

ELITEGROUP COMPUTER SYSTEMS, INC.

UP8810/8810A VIO (VER. 1.1)

Processor

CX486M6/SL80486SX/80486SX/SL80486SX2/CX486DX/AM486DX/ SL80486DX/80486DX/CX486DX2/AM486DX2/U5S/U5DS/SL80486DX2/ 80486DX2/80486DX4/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

UMC

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interfaces (2), green PC connector, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

J3

IDE interface (secondary)

J14

Serial port 2

J4

IDE interface LED

J15

Serial port 1

J5

Power LED & keylock

J16

Parallel port

J6

Speaker

J17

VGA port

J7

Reset switch

J18

VGA feature connector

J10

Turbo switch

J19

Green PC connector

J11

Turbo LED

J20

Floppy drive interface

J12

Riser Card

SL1

IDE interface (primary)

J13

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

On board I/O enabled

JP2

pins 1 & 2 closed

 

On board I/O disabled

JP2

pins 2 & 3 closed

»

ECP mode disabled

JP17

Open

 

ECP mode enabled

JP17

Closed

»

IDE interface enabled

JP25

Open

 

IDE interface disabled

JP25

Closed

»

Secondary INT source select from chip

JP26

pins 2 & 3 closed

 

Secondary INT source select from drive

JP26

pins 1 & 2 closed

»

Primary INT source select from chip

JP27

pins 2 & 3 closed

 

Primary INT source select from drive

JP27

pins 1 & 2 closed

»

VGA GD543X chip enabled

JP50

pins 1 & 2 closed

 

VGA GD543X chip disabled

JP50

pins 2 & 3 closed

Note: The location of JP17 is unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

NONE

4MB

(1) 512K x 36

NONE

(1) 512K x 36

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

NONE

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

10MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

NONE

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

NONE

16MB

(1) 2M x 36

NONE

(1) 2M x 36

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

18MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

NONE

20MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

NONE

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

NONE

32MB

(1) 4M x 36

NONE

(1) 4M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

34MB

(1) 256K x 36

(1) 256K x 36

(1) 8M x 36

NONE

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

34MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

NONE

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 512K x 36

(1) 512K x 36

(1) 8M x 36

NONE

36MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

NONE

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

NONE

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

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

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

66MB

(1) 256K x 36

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

66MB

(1) 512K x 36

NONE

(1) 8M x 36

(1) 8M x 36

66MB

(1) 8M x 36

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

66MB

(1) 8M x 36

(1) 8M x 36

(1) 512K x 36

NONE

68MB

(1) 8M x 36

(1) 8M x 36

(1) 512K x 36

(1) 512K x 36

68MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

72MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

72MB

(1) 8M x 36

(1) 8M x 36

(1) 2M x 36

NONE

80MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 8M x 36

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

80MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP41

JP42

JP43

JP46

JP47

JP48

128KB

Open

2 & 3

1 & 2

Open

Open

Open

256KB

Open

1 & 2

2 & 3

Closed

Open

Open

512KB

Open

1 & 2

2 & 3

Closed

Closed

Open

512KB

1 & 2

2 & 3

2 & 3

Closed

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP19

JP22

JP23

JP31

CX486M6

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Open

SL80486SX

pins 1 & 2 closed

pins 2 & 3 closed

Open

Open

80486SX

Open

pins 1 & 2 closed

Open

Open

SL80486SX2

pins 1 & 2 closed

pins 2 & 3 closed

Open

Open

CX486DX

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Open

AM486DX

Open

pins 1 & 2 closed

Open

Open

SL80486DX

pins 1 & 2 closed

pins 2 & 3 closed

Open

Open

80486DX

Open

pins 1 & 2 closed

Open

Open

CX486DX2

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Open

AM486DX2

Open

pins 1 & 2 closed

Open

Open

U5S

pins 2 & 3 closed

pins 1 & 2 closed

Open

Open

U5DS

pins 2 & 3 closed

pins 1 & 2 closed

Open

Open

SL80486DX2

pins 1 & 2 closed

pins 2 & 3 closed

Open

Open

80486DX2

Open

pins 1 & 2 closed

Open

Open

80486DX2 (WB)

pins 1 & 2 closed

pins 2 & 3 closed

Open

Open

80486DX4

pins 1 & 2 closed

pins 2 & 3 closed

Open

Open

P24T

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

Open

CPU TYPE CONFIGURATION (CON’T)

Type

JP33

JP34

JP36

JP37

CX486M6

1 & 2, 3 & 4

2 & 3

2 & 3

1 & 2

SL80486SX

2 & 3, 4 & 5

1 & 2

2 & 3

Open

80486SX

Open

Open

2 & 3

Open

SL80486SX2

2 & 3, 4 & 5

1 & 2

2 & 3

Open

CX486DX

1 & 2, 3 & 4

2 & 3

1 & 2, 3 & 4

2 & 3

AM486DX

Open

Open

1 & 2, 3 & 4

Open

SL80486DX

2 & 3, 4 & 5

1 & 2

1 & 2, 3 & 4

Open

80486DX

Open

Open

1 & 2, 3 & 4

Open

CX486DX2

1 & 2, 3 & 4

2 & 3

1 & 2, 3 & 4

2 & 3

AM486DX2

Open

Open

1 & 2, 3 & 4

Open

U5S

Open

Open

2 & 3

3 & 4

U5DS

Open

Open

1 & 2, 3 & 4

3 & 4

SL80486DX2

2 & 3, 4 & 5

1 & 2

1 & 2, 3 & 4

Open

80486DX2

Open

Open

1 & 2, 3 & 4

Open

80486DX2 (WB)

2 & 3, 4 & 5

1 & 2, 3 & 4

1 & 2, 3 & 4

Open

80486DX4

2 & 3, 4 & 5

1 & 2

1 & 2, 3 & 4

Open

P24T

2 & 3, 4 & 5

1 & 2

1 & 2, 3 & 4

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP38

JP39

JP40

JP44

JP45

CX486M6

Open

Open

2 & 3

2 & 3

1 & 2

SL80486SX

Open

Open

Open

1 & 2

1 & 2

80486SX

Open

Open

Open

1 & 2

1 & 2

SL80486SX2

Open

Open

Open

1 & 2

1 & 2

CX486DX

Open

1 & 2

2 & 3

2 & 3

1 & 2

AM486DX

Open

1 & 2

Open

1 & 2

1 & 2

SL80486DX

Open

1 & 2

Open

1 & 2

1 & 2

80486DX

Open

1 & 2

Open

1 & 2

1 & 2

CX486DX2

Open

1 & 2

2 & 3

2 & 3

1 & 2

AM486DX2

Open

1 & 2

Open

1 & 2

1 & 2

U5S

Open

1 & 2, 3 & 4

Open

1 & 2

2 & 3

U5DS

Open

1 & 2, 3 & 4

Open

1 & 2

2 & 3

SL80486DX2

Open

1 & 2

Open

1 & 2

1 & 2

80486DX2

Open

1 & 2

Open

1 & 2

1 & 2

80486DX2 (WB)

Closed

1 & 2

Open

1 & 2

1 & 2

80486DX4

Open

1 & 2

Open

1 & 2

1 & 2

P24T

Open

2 & 3

Open

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (PENTIUM OVERDRIVE ONLY)

Type

JP28

JP29

Pentium Overdrive not installed

Open

Open

Pentium Overdrive installed

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JP6

25MHz

pins 1 & 2 closed

33MHz

pins 1 & 2, 3 & 4, 5 & 6 closed

40MHz

pins 1 & 2, 3 & 4 closed

50iMHz

pins 1 & 2 closed

50MHz

pins 5 & 6 closed

66iMHz

pins 1 & 2, 3 & 4, 5 & 6 closed

75iMHz

pins 1 & 2 closed

100iMHz

pins 1 & 2, 3 & 4, 5 & 6 closed

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP35

2x

Closed

3x

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP24

JP32

3.3v

pins 2 & 3 closed

pins 3 & 4 closed

3.45v

pins 1 & 2 closed

pins 3 & 4 closed

5v

Open

pins 1 & 2 closed

DRQ CONFIGURATION

DRQ/DACK

JP8

JP18

DRQ1/DACK1

pins 1 & 2 closed

pins 2 & 3 closed

DRQ3/DACK3

pins 2 & 3 closed

pins 1 & 2 closed

BIOS VOLTAGE CONFIGURATION

Voltage

JP11

EPROM

Open

5v

pins 1 & 2 closed

12v

pins 2 & 3 closed

VIDEO MEMORY CONFIGURATION

Note: The size of the VRAM chips is unidentified.