ELITEGROUP COMPUTER SYSTEMS, INC.

UC4917-G

Processor

CXM6/80486SX/CXM6-C6/AM486DX/80486DX/80486DX2/P23N/P23T/ P24T

Processor Speed

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

Chip Set

UMC

Maximum Onboard Memory

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

External battery

J1

Turbo LED

JP25

Speaker

J3

Reset switch

JP26

Power LED & keylock

JP23

Green PC connector

JP32

Turbo switch

JP24

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Setting

Label

Position

 

CMOS memory normal operation

JP1

Open

 

CMOS memory clear

JP1

Closed

 

BIOS type select EPROM

JP2

Open

 

BIOS type select flash BIOS EPROM

JP2

Closed

 

Monitor type select color

JP5

Pins 2 & 3 closed

 

Monitor type select monochrome

JP5

Pins 1 & 2 closed

 

VGA card type select normal card installed

JP6

Pins 1 & 2 closed

 

VGA card type select Weitek Power 9000 only

JP6

Pins 2 & 3 closed

 

PGA enabled

JP20

Closed

 

PQFP enabled

JP20

Open

»

Factory configured - do not alter

JP29

Open

DRAM

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

None

None

None

2MB

(1) 512K x 36

None

None

None

2MB

(1) 256K x 36

(1) 256K x 36

None

None

3MB

(1) 512K x 36

None

(1) 256K x 36

None

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

None

4MB

(1) 512K x 36

None

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

None

(1) 512K x 36

None

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

None

None

None

5MB

(1) 1M x 36

(1) 256K x 36

None

None

6MB

(1) 512K x 36

None

(1) 1M x 36

None

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

None

7MB

(1) 512K x 36

None

(1) 1M x 36

(1) 256K x 36

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 2M x 36

None

None

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

9MB

(1) 2M x 36

None

(1) 256K x 36

None

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

None

10MB

(1) 512K x 36

None

(1) 1M x 36

(1) 1M x 36

10MB

(1) 512K x 36

None

(1) 2M x 36

None

10MB

(1) 2M x 36

None

(1) 256K x 36

(1) 256K x 36

10MB

(1) 2M x 36

None

(1) 512K x 36

None

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 2M x 36

None

(1) 1M x 36

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

13MB

(1) 2M x 36

None

(1) 1M x 36

(1) 256K x 36

13MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

16MB

(1) 2M x 36

None

(1) 1M x 36

(1) 1M x 36

DRAM (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 2M x 36

None

(1) 2M x 36

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

None

None

None

17MB

(1) 4M x 36

(1) 256K x 36

None

None

18MB

(1) 512K x 36

None

(1) 4M x 36

None

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

None

19MB

(1) 512K x 36

None

(1) 4M x 36

(1) 256K x 36

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

21MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

None

22MB

(1) 512K x 36

None

(1) 4M x 36

(1) 1M x 36

22MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

24MB

(1) 2M x 36

None

(1) 4M x 36

None

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

None

25MB

(1) 2M x 36

None

(1) 4M x 36

(1) 256K x 36

25MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

28MB

(1) 2M x 36

None

(1) 4M x 36

(1) 1M x 36

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) 4M x 36

(1) 4M x 36

(1) 256K x 36

None

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 512K x 36

None

(1) 4M x 36

(1) 4M x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

None

37MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

40MB

(1) 2M x 36

None

(1) 4M x 36

(1) 4M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

49MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

52MB

(1) 4M x 36

(1) 4M x 36

(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

CACHE SIZE

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

Size

JP17

JP18

JP21

JP22

64KB

Pins 1 & 2 closed

Open

Open

Open

128KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Closed

Open

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

Closed

CPU TYPE

Setting

JP13

CXM6

Pins 2 & 3 closed

80486SX

Pins 2 & 3 closed

CXM6/C6

Pins 1 & 2, 3 & 4 closed

AM486DX

Pins 1 & 2, 3 & 4 closed

80486DX

Pins 1 & 2, 3 & 4 closed

80486DX2

Pins 1 & 2, 3 & 4 closed

P23N

Pins 1 & 2, 3 & 4 closed

P23T

Pins 1 & 2, 3 & 4 closed

P24T

Pins 1 & 2, 3 & 4 closed

CPU TYPE (CYRIX ONLY)

Setting

JP9

JP14

JP19

C6 or M6/C6 installed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

C6 or M6/C6 not installed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED

Setting

JP7

JP8

JP30

25MHz

Closed

Open

Open

33MHz

Closed

Closed

Closed

40MHz

Closed

Closed

Open

50iMHz

Closed

Open

Open

50MHz

Open

Open

Closed

66iMHz

Closed

Closed

Closed

CPU SPEED

Setting

JP11

JP31

< = 40MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

50MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU CLOCK (CYRIX ONLY)

Setting

JP33

1x (CX486DX)

Open

2x (CX486DX2)

Closed

VL BUS SPEED

Setting

JP15

<= 33MHz

Open

> 33MHz

Closed

VL BUS WAIT STATE

Setting

JP16

0 wait states

Open

1 wait state

Closed

POWER MANAGEMENT IRQ

Setting

JP27

JP28

IRQ3

N/A

Pins 7 & 8 closed

IRQ5

Pins 1 & 2 closed

N/A

IRQ7

Pins 3 & 4 closed

N/A

IRQ9

Pins 5 & 6 closed

N/A

IRQ10

N/A

Pins 1 & 2 closed

IRQ11

N/A

Pins 3 & 4 closed

IRQ15

N/A

Pins 5 & 6 closed