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





LEO 486-VIP

FIRST INTERNATIONAL COMPUTER, INC.

LEO 486-VIP

Processor

80486SX/80486SL/80487SX/CX486DX/80486DX/80486DX2

80486DX4/Pentium Overdrive

Processor Speed

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

Chip Set

VIA

Max. Onboard DRAM

96MB

Cache

64/128/256KB

BIOS

Award

Dimensions

219mm x 271mm

I/O Options

32-bit VESA local bus slots (2), 32-bit PCI slots (3), PS/2 mouse port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN2

Green status LED

J5

3.3V daughter board (80486DX4 only)

CN5

32-bit VESA Local bus slot

S1

Turbo switch

CN6

32-bit VESA Local bus slot

S2

Turbo LED

CN7

32-bit PCI slot

PCI1

Reset switch

CN8

32-bit PCI slot

PCI2

Speaker

CN9

32-bit PCI slot

PCI3

Power LED & keylock

CN10

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

J2

Closed

 

Monitor type select monochrome/EGA/VGA

J2

Open

CMOS memory normal operation

J3

Open

 

CMOS memory clear

J3

Closed

Normal operation

J7

Open

 

Password clear

J7

Closed

CPU select Cyrix DX

JT1

pins 1 & 2 closed

 

CPU select Cyrix DX2

JT1

pins 2 & 3 closed

80486DX4 3X mode

JT2

pins 1 & 2 closed

 

80486DX4 2X mode

JT2

pins 2 & 3 closed

Pentium Overdrive internal write-back cache

JT3

pins 1 & 2 closed

 

Pentium Overdrive internal write-through cache

JT3

pins 2 & 3 closed

Pentium Overdrive disabled

JT4

pins 1 & 2 closed

 

Pentium Overdrive enabled

JT4

pins 2 & 3 closed

Normal operation

JT5

pins 1 & 2 closed

 

For card that uses A31

JT5

pins 2 & 3 closed

Address area is proogrammed in VT82C505

JT6

pins 1 & 2 closed

 

Supports IRQ15 when SMI# is used

JT6

pins 2 & 3 closed

Factory configured - do not alter

JT7

pins 1 & 2 closed

Factory configured - do not alter

JT8

pins 1 & 2 closed

Factory configured - do not alter

JT9

pins 1 & 2 closed

Normal operation

JT10

pins 2 & 3 closed

 

PCI IDE card is installed

JT10

pins 1 & 2 closed

Factory configured - do not alter

JT11

pins 1 & 2 closed

Factory configured - do not alter

JX2

pins 2 & 3 closed

NoteJumper JT5 and JT6 cannot be closed at the same time.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

1MB

NONE

NONE

(1) 256K x 36

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

NONE

(1) 256K x 36

(1) 256K x 36

2MB

(4) 256K x 9

NONE

(1) 256K x 36

3MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

4MB

NONE

NONE

(1) 1M x 36

5MB

(4) 256K x 9

(1) 1M x 36

NONE

5MB

(4) 256K x 9

NONE

(1) 1M x 36

5MB

(4) 1M x 9

(1) 1M x 36

NONE

5MB

(4) 1M x 9

NONE

(1) 1M x 36

5MB

NONE

(1) 256K x 36

(1) 1M x 36

5MB

NONE

(1) 1M x 36

(1) 256K x 36

DRAM CONFIGURATION (CONTINUED)

Size

Bank 0

Bank 1

Bank 2

6MB

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

6MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

8MB

(4) 256K x 9

(1) 1M x 36

NONE

8MB

(4) 256K x 9

NONE

(1) 1M x 36

8MB

NONE

(1) 1M x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

12MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

16MB

NONE

NONE

(1) 4M x 36

17MB

(4) 256K x 9

(1) 4M x 36

NONE

17MB

(4) 256K x 9

NONE

(1) 4M x 36

17MB

NONE

(1) 1M x 36

(1) 4M x 36

17MB

NONE

(1) 4M x 36

(1) 256K x 36

17MB

(4) 4M x 9

(1) 1M x 36

NONE

17MB

(4) 4M x 9

NONE

(1) 256K x 36

18MB

(4) 256K x 9

(1) 256K x 36

(1) 4M x 36

18MB

(4) 256K x 9

(1) 4M x 36

(1) 256K x 36

18MB

(4) 4M x 9

(1) 256K x 36

(1) 256K x 36

20MB

(1) 256K x 36

(1) 4M x 36

NONE

20MB

(4) 1M x 9

NONE

(1) 4M x 36

20MB

(4) 4M x 9

(1) 4M x 36

NONE

20MB

(4) 4M x 9

NONE

(1) 4M x 36

20MB

NONE

(1) 4M x 36

(1) 4M x 36

20MB

NONE

(1) 4M x 36

(1) 4M x 36

21MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

21MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

21MB

(4) 1M x 9

(1) 1M x 36

(1) 4M x 36

21MB

(4) 1M x 9

(1) 4M x 36

(1) 1M x 36

21MB

(4) 4M x 9

(1) 1M x 36

(1) 4M x 36

21MB

(4) 4M x 9

(1) 4M x 36

(1) 1M x 36

24MB

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

24MB

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

24MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

32MB

(4) 4M x 9

(1) 4M x 36

NONE

32MB

(4) 4M x 9

NONE

(1) 4M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

(1) 4M x 36

NONE

32MB

NONE

NONE

(1) 16M x 36

33MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

33MB

(4) 4M x 9

(1) 1M x 36

(1) 4M x 36

33MB

(4) 4M x 9

(1) 4M x 36

(1) 1M x 36

DRAM CONFIGURATION (CONTINUED)

Size

Bank 0

Bank 1

Bank 2

36MB

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

36MB

(4) 4M x 9

(1) 1M x 36

(1) 4M x 36

36MB

(4) 4M x 9

(1) 4M x 36

(1) 1M x 36

48MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

64MB

(4) 16M x 9

NONE

NONE

65MB

(4) 16M x 9

(1) 256K x 36

NONE

65MB

(4) 16M x 9

NONE

(1) 1M x 36

66MB

(4) 16M x 9

(1) 256K x 36

(1) 256K x 36

68MB

(4) 16M x 9

(1) 1M x 36

NONE

68MB

(4) 16M x 9

NONE

(1) 1M x 36

69MB

(4) 16M x 9

(1) 256K x 36

(1) 1M x 36

69MB

(4) 16M x 9

(1) 1M x 36

(1) 256K x 36

72MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

80MB

(4) 16M x 9

(1) 4M x 36

NONE

80MB

(4) 16M x 9

NONE

(1) 4M x 36

81MB

(4) 16M x 9

(1) 256K x 36

(1) 4M x 36

81MB

(4) 16M x 9

(1) 16M x 36

(1) 1M x 36

84MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

84MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

96MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

KEYBOARD CONFIGURATION

Select

JRN4

JRN5

JRN6

JRN7

Internal

Installed

Not installed

Installed

Not installed

External

Not installed

Installed

Not installed

Installed

CACHE CONFIGURATION

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 CONFIGURATION

Size

JS1

JS2

JS3

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JC2

JC3

JC4

JP1

JT12

JX1

80486SX

pins 2 & 3

pins 2 & 3

Open

pins 1 & 2

pins 1 & 2

pins 1 & 2

80487SX

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 1 & 2

CX486S

pins 2 & 3

pins 2 & 3

Open

pins 2 & 3

pins 2 & 3

pins 2 & 3

Intel SL enhanced

N/A

N/A

N/A

pins 2 & 3

pins 1 & 2

pins 2 & 3

AM486DXL

N/A

N/A

N/A

pins 1 & 2

pins 1 & 2

pins 1 & 2

80486DX

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

CX486DX

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

80486DX2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

80486DX4

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

Pentium Overdrive

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 1 & 2

Note:Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONTINUED)

Type

JN1

JN2

JRN1

JRN2

JRN3

80486SX

Open

Open

N/A

N/A

N/A

80487SX

Open

Open

N/A

N/A

N/A

CX486S

Open

Open

Not installed

Not installed

Installed

Intel SL enhanced

Open

Open

Not installed

Installed

Not installed

AM486DXL

Open

Open

Installed

Not installed

Not installed

80486DX

Open

Open

Not installed

Not installed

Not installed

CX486DX

Open

Open

Not installed

Not installed

Installed

80486DX2

Open

Open

Not installed

Not installed

Not installed

80486DX4

Open

Open

Not installed

Installed

Not installed

Pentium Overdrive

Closed

Closed

Not installed

Installed

Not installed

CPU SPEED CONFIGURATION

Speed

JCK0

JCK1

JCK2

JCK3

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

50iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

50MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

66iMhz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

CPU speed

Wait states

JV1

JV2

< 33MHz

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed