LION COMPUTERS, INC.

VALUE VLB/+

Processor

CX486S/80486SX/AM486DX/CX486DX/80486DX/AM486DXLT/AM486DX2/ CX486DX2/80486DX2/80486DX4/80486SL/80486(P24D)/Pentium Overdrive/ UMC-U5

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

64MB

Cache

64/128/256/512/1024KB

BIOS

AMI

Dimensions

260mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Reset switch

JP20

Power LED & keylock

JP15

Turbo switch

JP22

Speaker

JP18

Green PC connector

JP23

Turbo LED

JP19

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation internal battery

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 3 & 4 closed

»

Factory configured - do not alter

JP2

N/A

»

Flash BIOS voltage select 5v

JP3

pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP3

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

2MB

NONE

(1) 512K x 36

NONE

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

4MB

NONE

(1) 512K x 36

(1) 512K x 36

6MB

NONE

(1) 512K x 36

(1) 1M x 36

8MB

(4) 1M x 9

NONE

(1) 1M x 36

8MB

NONE

(1) 2M x 36

NONE

8MB

NONE

(1) 1M x 36

(1) 1M x 36

10MB

NONE

(1) 512K x 36

(1) 2M x 36

12MB

(4) 1M x 9

NONE

(1) 2M x 36

12MB

NONE

(1) 1M x 36

(1) 2M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 2M x 36

(1) 2M x 36

16MB

NONE

(1) 4M x 36

NONE

20MB

(4) 1M x 9

NONE

(1) 4M x 36

20MB

NONE

(1) 1M x 36

(1) 4M x 36

32MB

(4) 4M x 9

NONE

(1) 4M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

(1) 8M x 36

NONE

64MB

NONE

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB/1

(4) 32K x 8

NONE

(1) 16K x 8

128KB/2

(4) 16K x 8

(4) 16K x 8

(1) 16K x 8

256KB/1

(4) 64K x 8

NONE

(1) 32K x 8

256KB/2

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB/1

(4) 128K x 8

NONE

(1) 64K x 8

512KB/2

(4) 64K x 8

(4) 64K x 8

(1) 64K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size/Banks

JP5

JP10

JP11

JP12

JP13

JP14

64KB

pins 2 & 3 closed

pins 2 & 3 closed

Open

Open

Open

Open

128KB/1

pins 1 & 2 closed

pins 1 & 2 closed

Open

Open

Open

Open

128KB/2

pins 2 & 3 closed

pins 2 & 3 closed

Open

Open

Open

Closed

256KB/1

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Open

Open

Closed

Closed

256KB/2

pins 2 & 3 closed

pins 2 & 3 closed

Open

Open

Closed

Closed

512KB/1

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

pins 1 & 2 closed

Open

Closed

Closed

Closed

512KB/2

pins 2 & 3, 4 & 5 closed

pins 2 & 3 closed

Open

Closed

Closed

Closed

1MB

pins 2 & 3, 4 & 5, 6 & 7 closed

pins 2 & 3 closed

Closed

Closed

Closed

Closed

CPU TYPE CONFIGURATION

Type

JP27

JP28

JP29

CX486S

pins 2 & 3

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

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

80486SX

Open

pins 2 & 3

Open

AM486DX

Open

pins 2 & 3

pins 2 & 3

CX486DX

pins 2 & 3, 4 & 5

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

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

80486DX

Open

pins 2 & 3

Open

AM486DXLT

Open

pins 2 & 3

pins 2 & 3

AM486DX2

Open

pins 2 & 3

pins 2 & 3

CX486DX2

pins 2 & 3

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

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

80486DX2

Open

pins 2 & 3

Open

80486DX4

pins 1 & 2, 3 & 4

pins 1 & 2

pins 1 & 2

80486SL

pins 1 & 2, 3 & 4

pins 1 & 2

pins 1 & 2

P24D

pins 1 & 2, 3 & 4

pins 1 & 2, 4 & 5

pins 1 & 2, 4 & 5

P24T

pins 1 & 2, 3 & 4

pins 1 & 2

pins 1 & 2

UMC U5

Open

pins 2 & 3

pins 2 & 3

Note: Pins designated are in the closed position.

CPU TYPE CONFIGURATION

Type

JP30

JP32

JP33

CX486S

pins 2 & 3, 4 & 5

pins 1 & 2

pins 1 & 2, 3 & 4

80486SX

Open

Open

pins 2 & 3

AM486DX

pins 1 & 2

pins 1 & 2, 3 & 4

pins 1 & 2, 3 & 4

CX486DX

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

Open

pins 2 & 3

80486DX

Open

pins 1 & 2

pins 1 & 2, 3 & 4

AM486DXLT

pins 1 & 2

pins 1 & 2, 3 & 4

pins 1 & 2, 3 & 4

AM486DX2

pins 1 & 2

pins 1 & 2, 3 & 4

pins 1 & 2, 3 & 4

CX486DX2

pins 2 & 3, 4 & 5

pins 1 & 2

pins 1 & 2, 3 & 4

80486DX2

Open

pins 1 & 2

pins 1 & 2, 3 & 4

80486DX4

pins 5 & 6

pins 1 & 2

pins 1 & 2, 3 & 4

80486SL

pins 5 & 6

pins 1 & 2

pins 1 & 2, 3 & 4

P24D

pins 3 & 4, 5 & 6

pins 1 & 2

pins 1 & 2, 3 & 4

P24T

pins 5 & 6

pins 2 & 3

pins 1 & 2, 3 & 4

UMC U5

pins 1 & 2

pins 3 & 4

pins 2 & 3

Note: Pins designated are in the closed position.

CLOCK SPEED CONFIGURATION

Speed

JP6

JP7

JP8

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50MHz

Closed

Open

Open

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

100iMHz

Open

Closed

Closed

CPU VOLTAGE CONFIGURATION

Voltage

JP24

JP25

JP26

5v

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

3.3v

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP17

0 wait states

Open

1 wait state

Closed

VESA BUS SPEED CONFIGURATION

CPU speed

JP16

<= 33MHz

Open

> 33MHz

Closed