ELITEGROUP COMPUTER SYSTEMS, INC.

UM8810P-AIO (REV.3.0)

Device Type

Mainboard

Processor

80487SX/CX486S/UMC486(U5S, U5SD)/80486SX/80486SX2/ AM486DX/CX486DX/80486DX/CX486DX4(M7)/AM486DX2/ 80486DX2/CX486DX2/AM486DX2/80486DX2/CX486DX4/AM486DX4/ 80486DX4/P24T/CX 5X86

Processor Speed

25/33/40/50/66/80/100/120

Chip Set

UMC

Maximum Onboard Memory

128MB (EDO & SDRAM supported)

Cache

128/256/512KB

BIOS

Phoenix

Dimensions

Unidentified

I/O Options (backplane)

32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface (optional), serial ports (2)

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J1

Turbo switch

J11/pins 6 & 7

Serial port 1

J2

Reset switch

J11/pins 9 & 10

Parallel port

J3

Power LED & keylock

J11/pins 11 - 15

IDE interface 1

J7

Speak connector

J11/pins 17 - 20

IDE interface 2

J8

HDD LED

J12

Floppy controler interface

J9

PS/2 mouse port

J18

Turbo LED

J11/pins2 & 3

PS/2 mouse interface (optional)

J19

Suspend switch

J11/pins 4 & 5

 

 


USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

BIOS type select EPROM

JP6

Open

 

BIOS type select flash ROM 5v

JP6

pins 1 & 2 closed

 

BIOS type select flash ROM 12v

JP6

pins 2 & 3 closed

»

On board 37C665 enabled

JP8

pins 1 & 2 closed

 

On board 37C665 disabled

JP8

pins 2 & 3 closed

»

IDE controller enabled and controlled by BIOS

JP12

Closed

 

IDE controller enabled

JP12

Open

»

CMOS memory normal operation

JP30

Open

 

CMOS memory clear

JP30

Closed

»

Standard CPU type

JP44

Open

 

Pentium Overdrive CPU

JP44

Closed


SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 512K 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) 512K x 36

(1) 512K x 36

None

None

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

None

8MB

(1) 2M x 36

None

None

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

None

None

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

64MB

(1) 8M x 36

(1) 8M x 36

None

None

64MB

(1) 4M x 36

(1) 4M 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


CPU TYPE CONFIGURATION

Type

JP18

JP19

JP20

JP21

JP22

JP23

CX486S

Open

Closed

2 & 3

Open

2 & 3

2 & 3

SL80486SX

Open

Open

2 & 3

Open

1 & 2

Open

80486SX

Open

Open

2 & 3

Open

Open

Open

80487SX

Open

Open

1 & 2, 3 & 4

2 & 3

Open

Open

SL80486SX2

Open

Open

2 & 3

Open

1 & 2

Open

AM486DX

Open

Open

1 & 2, 3 & 4

1 & 2

Open

Open

CX486DX

Open

Closed

1 & 2, 3 & 4

1 & 2

2 & 3

2 & 3

SL80486DX-OD

Open

Open

1 & 2, 3 & 4

1 & 2

1 & 2

Open

80486DX

Open

Open

1 & 2, 3 & 4

1 & 2

Open

Open

AM486DX2

Open

Open

1 & 2, 3 & 4

1 & 2

Open

Open

AM486DX2-SV8B

Closed

Open

1 & 2, 3 & 4

1 & 2

1 & 2, 3 & 4

Open

CX486DX2

Open

Closed

1 & 2, 3 & 4

1 & 2

2 & 3

2 & 3

SL80486DX2

Closed

Open

1 & 2, 3 & 4

1 & 2

1 & 2, 3 & 4

Open

SL80486DX2-OD

Open

Open

1 & 2, 3 & 4

1 & 2

1 & 2

Open

80486DX2

Open

Open

1 & 2, 3 & 4

1 & 2

Open

Open

CX486DX4

Open

Closed

1 & 2, 3 & 4

1 & 2

2 & 3

2 & 3

CX486DX4-100GP

Open

Closed

1 & 2, 3 & 4

1 & 2

2 & 3

2 & 3

CX486DX4-100GP4

Closed

Open*

1 & 2, 3 & 4

1 & 2*

1 & 2, 3 & 4

Open

U5S

Open

Open

2 & 3

1 & 2, 3 & 4

Open

Open

U5SD

Open

Open

1 & 2, 3 & 4

1 & 2, 3 & 4

Open

Open

SL80486DX4

Closed

Open

1 & 2, 3 & 4

1 & 2

1 & 2, 3 & 4

Open

SL80486DX4-OD

Open

Open

1 & 2, 3 & 4

1 & 2

1 & 2

Open

AM486DX4

Open

Open

1 & 2, 3 & 4

1 & 2

Open

Open

AM486DX4-SV8B

Closed

Open

1 & 2, 3 & 4

1 & 2

1 & 2, 3 & 4

Open

CX5x86

Closed

Opne

1 & 2, 3 & 4

1 & 2

1 & 2, 3 & 4

Open

P24T

Open

Open

1 & 2, 3 & 4

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

*Note: Pin JP19/2 and pin JP21/3 are connected with naked wire for CX486DX4-100GP4 setting.


CPU TYPE CONFIGURATION (CON'T)

Type

JP24

JP27

JP28

JP36

JP37

JP38

CX486S

2 & 3

1 & 2, 3 & 4

2 & 3

1 & 2

1 & 2

2 & 3

SL80486SX

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

80486SX

1 & 2

1 & 2

Open

Open

1 & 2

1 & 2

80487SX

1 & 2

Open

Open

Open

1 & 2

1 & 2

SL80486SX2

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

AM486DX

1 & 2

Open

Open

Open

1 & 2

1 & 2

CX486DX

2 & 3

1 & 2, 3 & 4

2 & 3

1 & 2

1 & 2

2 & 3

SL80486DX-OD

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

80486DX

1 & 2

Open

Open

Open

1 & 2

1 & 2

AM486DX2

1 & 2

Open

Open

Open

1 & 2

1 & 2

AM486DX2-SV8B

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

CX486DX2

2 & 3

1 & 2, 3 & 4

2 & 3

1 & 2

1 & 2

2 & 3

SL80486DX2

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

SL80486DX2-OD

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

80486DX2

1 & 2

Open

Open

Open

1 & 2

1 & 2

CX486DX4

2 & 3

1 & 2, 3 & 4

2 & 3

1 & 2

1 & 2

2 & 3

CX486DX4-100GP

2 & 3

1 & 2, 3 & 4

2 & 3

1 & 2

1 & 2

2 & 3

CX486DX4-100GP4

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

2 & 3

U5S

1 & 2

Open

3 & 4

2 & 3

2 & 3

1 & 2

U5SD

1 & 2

Open

3 & 4

2 & 3

2 & 3

1 & 2

SL80486DX4

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

SL80486DX4-OD

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

AM486DX4

1 & 2

Open

Open

Open

1 & 2

1 & 2

AM486DX4-SV8B

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

CX5x86

2 & 3

2 & 3, 4 & 5

Open

1 & 2

1 & 2

1 & 2

P24T

2 & 3

2 & 3, 4 & 5

2 & 3

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.


CPU TYPE CONFIGURATION (CON'T)

Type

JP25

CX486DX

Pins 1 & 2 closed

CX486DX2

Pins 1 & 2 closed

CX486DX4

Pins 1 & 2 closed

CX486DX4-100GP

Pins 1 & 2 closed

CX486DX4-100GP4

Pins 1 & 2 closed


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

JP13

JP14

JP16

JP33

JP35

128KB

Open

1 & 2

2 & 3

Open

Open

256KB

Open

2 & 3

1 & 2

Open

Closed

512KB

Open

2 & 3

1 & 2

Open

Closed

512KB

1 & 2

2 & 3

2 & 3

Closed

Closed

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION

Speed

JP17

25MHz

pins 1 & 2 closed

33MHz

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

40MHz

pins 1 & 2, 3 & 4 closed

50MHz

pins 5 & 6 closed


CPU CLOCK CONFIGURATION (80486DX4, AM486DX2/DX4 SV8B)

Speed

JP29

2x

Closed

3x

Open


CPU CLOCK CONFIGURATION (AM486DX2/DX4 NV8T)

Speed

JP25

2x

Closed

3x

Open


CPU VOLTAGE CONFIGURATION

Voltage

JP10

3.3V/3.45V/3.6V/4V

VR-100 or VR-102 installed

5.0V

1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20

Note: Pins indicated are in the closed position


PARALLEL PORT DACK CONFIGURATION

Size

JP4

JP5

DRQ3/DACK 3

pins 1 & 2 closed

pins 2 & 3 closed

DRQ1/DACK 1

pins 2 & 3 closed

pins 1 & 2 closed