486-PIO-2

FIRST INTERNATIONAL COMPUTER, INC.

486-PIO-2

Processor

80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/CX484DX2/ (SL)AM486DX2/AM486DX2/SL80486DX2/(SL)AM486DX4/AM486DX4/CXM1/ 80486DX4/P24D/P24S/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz

Chip Set

VIA

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

CN1

External battery

J6

Parallel port

CN2

Green PC connector

J7

Serial port 2

CN3

Chassis fan power

J8

Serial port 1

CN4

Power LED & keylock

J9

IDE interface 2

CN5

Speaker

J10

IDE interface 1

CN6

Reset switch

J11

IDE interface LED

J3

Turbo switch

J12

Green PC LED

J4

Turbo LED

J13

Outlet connector

J5

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome/EGA/VGA

J1

Open

Monitor type select CGA

J1

Closed

»

CMOS memory normal operation

J2

Open

CMOS memory clear

J2

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

NONE

1MB

NONE

NONE

(1) 256K x 36

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 256K x 36

NONE

(1) 256K x 36

NONE

2MB

NONE

NONE

(1) 256K x 36

(1) 256K x 36

2MB

NONE

(1) 256K x 36

(1) 256K x 36

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

3MB

NONE

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

3MB

(1) 256K x 36

NONE

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

NONE

4MB

NONE

NONE

(1) 1M x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

5MB

(1) 256K x 36

NONE

(1) 1M x 36

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

5MB

(1) 1M x 36

NONE

(1) 256K x 36

NONE

5MB

NONE

(1) 256K x 36

(1) 1M x 36

NONE

5MB

NONE

(1) 1M x 36

(1) 256K x 36

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 256K x 36

(1) 1M x 36

(1) 256K x 36

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

6MB

NONE

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 1M x 36

NONE

(1) 256K x 36

(1) 256K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

7MB

(1) 256K x 36

(1) 1M x 36

(1) 256K 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) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 1M x 36

NONE

(1) 1M x 36

NONE

8MB

NONE

NONE

(1) 1M x 36

(1) 1M x 36

8MB

NONE

(1) 1M x 36

(1) 1M x 36

NONE

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

NONE

9MB

(1) 1M x 36

(1) 256K x 36

(1) 1M x 36

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

9MB

NONE

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

9MB

(1) 256K x 36

NONE

(1) 1M x 36

(1) 1M x 36

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

NONE

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

NONE

(1) 1M x 36

(1) 1M x 36

13MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

13MB

(1) 1M x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

16MB

NONE

(1) 4M x 36

NONE

NONE

16MB

NONE

NONE

(1) 4M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

17MB

(1) 256K x 36

NONE

(1) 4M x 36

NONE

17MB

NONE

(1) 256K x 36

(1) 4M x 36

NONE

17MB

NONE

(1) 4M x 36

(1) 256K x 36

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 256K x 36

(1) 4M x 36

(1) 256K x 36

NONE

18MB

NONE

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

19MB

(1) 256K x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 1M x 36

NONE

(1) 4M x 36

NONE

20MB

NONE

(1) 1M x 36

(1) 4M x 36

NONE

20MB

NONE

(1) 4M x 36

(1) 1M x 36

NONE

21MB

(1) 256K x 36

(1) 1M x 36

(1) 4M x 36

NONE

21MB

(1) 256K x 36

(1) 4M x 36

(1) 1M x 36

NONE

21MB

(1) 1M x 36

(1) 256K x 36

(1) 4M x 36

NONE

21MB

(1) 1M x 36

(1) 4M x 36

(1) 256K x 36

NONE

22MB

(1) 1M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

NONE

24MB

NONE

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

25MB

(1) 256K x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

33MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

33MB

NONE

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

33MB

(1) 256K x 36

NONE

(1) 4M x 36

(1) 4M x 36

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

NONE

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

NONE

(1) 4M x 36

(1) 4M x 36

37MB

(1) 256K x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

37MB

(1) 1M x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

NONE

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

49MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

NONE

(1) 8M x 36

(1) 8M x 36

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

NONE

66MB

(1) 256K x 36

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

66MB

(1) 256K x 36

(1) 256K x 36

(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

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

68MB

NONE

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

68MB

(1) 8M x 36

(1) 1M x 36

(1) 8M x 36

NONE

69MB

(1) 256K x 36

(1) 8M x 36

(1) 1M x 36

(1) 8M x 36

69MB

(1) 256K x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

69MB

(1) 1M x 36

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

69MB

(1) 1M x 36

(1) 8M x 36

(1) 256K x 36

(1) 8M x 36

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

72MB

(1) 1M x 36

(1) 8M x 36

(1) 1M x 36

(1) 8M x 36

72MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 8M x 36

(1) 4M x 36

(1) 8M x 36

NONE

80MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

NONE

81MB

(1) 256K x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

81MB

(1) 256K x 36

(1) 8M x 36

(1) 4M x 36

(1) 8M x 36

84MB

(1) 1M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

84MB

(1) 1M x 36

(1) 8M x 36

(1) 4M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

97MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

256KB

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

128KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 1 & 2 closed

512KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JC1

JC2

JC3

JC4

JC5

80486SX

Open

Open

2 & 3

2 & 3

Open

CX486DX

Open

Open

1 & 2

1 & 2

Open

SL80486DX

Open

2 & 3

1 & 2

1 & 2

Open

UMC U5SD

Open

Open

1 & 2

1 & 2

Open

UMC U5S/U5SLV

Open

Open

2 & 3

2 & 3

Open

CX486DX2

Open

Open

1 & 2

1 & 2

Open

SL AM486DX2

Open

2 & 3

1 & 2

1 & 2

Open

AM486DX2

Closed

Open

1 & 2

1 & 2

Open

SL80486DX2

Open

2 & 3

1 & 2

1 & 2

Open

SL AM486DX4

Open

1 & 2

1 & 2

1 & 2

Open

AM486DX4

Open

Open

1 & 2

1 & 2

Open

CXM1

Open

1 & 2

1 & 2

1 & 2

Open

80486DX4

Open

1 & 2

1 & 2

1 & 2

Open

80486DX4 (2x)

Open

2 & 3

1 & 2

1 & 2

Open

80486DX4 (3x)

Open

1 & 2

1 & 2

1 & 2

Open

P24D (WB)

Open

1 & 2

1 & 2

1 & 2

Open

P24D (WT)

Closed

1 & 2

1 & 2

1 & 2

Open

P24S

Open

2 & 3

1 & 2

1 & 2

Open

P24T (WB)

Open

1 & 2

1 & 2

1 & 2

Closed

P24T (WT)

Closed

1 & 2

1 & 2

1 & 2

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

RNA

RNC

RNI

80486SX

Not installed

Not installed

pins 1 - 5 closed

CX486DX

Not installed

Installed

Not installed

SL80486DX

Not installed

Not installed

pins 1 - 5 closed

UMC U5SD

Installed

Not installed

Not installed

UMC U5S/U5SLV

Installed

Not installed

Not installed

CX486DX2

Not installed

Installed

Not installed

SL AM486DX2

Not installed

Not installed

pins 6 - 10 closed

AM486DX2

Installed

Not installed

Not installed

SL80486DX2

Not installed

Not installed

pins 1 - 5 closed

SL AM486DX4

Not installed

Not installed

pins 6 - 10 closed

AM486DX4

Installed

Not installed

Not installed

CXM1

Not installed

Not installed

pins 6 - 10 closed

80486DX4

Not installed

Not installed

pins 1 - 5 closed

80486DX4 (2x)

Not installed

Not installed

pins 1 - 5 closed

80486DX4 (3x)

Not installed

Not installed

pins 1 - 5 closed

P24D (WB)

Not installed

Not installed

pins 1 - 5 closed

P24D (WT)

Not installed

Not installed

pins 1 - 5 closed

P24S

Not installed

Not installed

pins 1 - 5 closed

P24T (WB)

Not installed

Not installed

pins 1 - 5 closed

P24T (WT)

Not installed

Not installed

pins 1 - 5 closed

CPU SPEED CONFIGURATION

Speed

JK1

JK2

JK3

JK4

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

75iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

80iMHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

100iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU VOLTAGE CONFIGURATION

Voltage

CN3V

JPW1

JPW2

3.3v

Open

1 & 2

Open

3.45v

Open

2 & 3

Open

3.6v

Open

Open

1 & 2

4v

Open

Open

2 & 3

5v

1 & 2, 3 & 4, 13 & 14, 15 & 16

Note: Pins designated should be in the closed position.

DMA CONFIGURATION

DMA

JEPP1

JEPP2

DMA 1

pins 2 & 3 closed

pins 2 & 3 closed

DMA 3

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT CONFIGURATION

Setting

JH

JG

Output

pins 2 & 3 closed

pins 2 & 3 closed

Input

pins 1 & 2 closed

pins 1 & 2 closed

Bidirectional

pins 2 & 3 closed

Open

KEYBOARD CONFIGURATION

Setting

JX3

RN1

RN16

RN19

Internal controller

pins 1 & 2 closed

Not installed

Installed

Not installed

External controller

pins 2 & 3 closed

Installed

Not installed

Installed

PCI BUS CLOCK CONFIGURATION

DMA

JCK

JT1

<= 33MHz

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed

pins 2 & 3 closed

Processor	80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/CX484DX2/ (SL)AM486DX2/AM486DX2/SL80486DX2/(SL)AM486DX4/AM486DX4/CXM1/ 80486DX4/P24D/P24S/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz
Chip Set	VIA
Max. Onboard DRAM	128MB
Cache	128/256/512KB
BIOS	Award
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Floppy drive interface	CN1	External battery	J6
Parallel port	CN2	Green PC connector	J7
Serial port 2	CN3	Chassis fan power	J8
Serial port 1	CN4	Power LED & keylock	J9
IDE interface 2	CN5	Speaker	J10
IDE interface 1	CN6	Reset switch	J11
IDE interface LED	J3	Turbo switch	J12
Green PC LED	J4	Turbo LED	J13
Outlet connector	J5	32-bit PCI slots	PC1 - PC4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome/EGA/VGA	J1	Open
	Monitor type select CGA	J1	Closed
»	CMOS memory normal operation	J2	Open
	CMOS memory clear	J2	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
1MB	NONE	(1) 256K x 36	NONE	NONE
1MB	NONE	NONE	(1) 256K x 36	NONE
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
2MB	(1) 256K x 36	NONE	(1) 256K x 36	NONE
2MB	NONE	NONE	(1) 256K x 36	(1) 256K x 36
2MB	NONE	(1) 256K x 36	(1) 256K x 36	NONE
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	NONE
3MB	NONE	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
3MB	(1) 256K x 36	NONE	(1) 256K x 36	(1) 256K x 36
4MB	(1) 1M x 36	NONE	NONE	NONE
4MB	NONE	(1) 1M x 36	NONE	NONE
4MB	NONE	NONE	(1) 1M x 36	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
5MB	(1) 256K x 36	(1) 1M x 36	NONE	NONE
5MB	(1) 256K x 36	NONE	(1) 1M x 36	NONE
5MB	(1) 1M x 36	(1) 256K x 36	NONE	NONE
5MB	(1) 1M x 36	NONE	(1) 256K x 36	NONE
5MB	NONE	(1) 256K x 36	(1) 1M x 36	NONE
5MB	NONE	(1) 1M x 36	(1) 256K x 36	NONE
6MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	NONE
6MB	(1) 256K x 36	(1) 1M x 36	(1) 256K x 36	NONE
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	NONE
6MB	NONE	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
6MB	(1) 1M x 36	NONE	(1) 256K x 36	(1) 256K x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
7MB	(1) 256K x 36	(1) 1M x 36	(1) 256K 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) 1M x 36	(1) 1M x 36	NONE	NONE
8MB	(1) 1M x 36	NONE	(1) 1M x 36	NONE
8MB	NONE	NONE	(1) 1M x 36	(1) 1M x 36
8MB	NONE	(1) 1M x 36	(1) 1M x 36	NONE
9MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	NONE
9MB	(1) 1M x 36	(1) 256K x 36	(1) 1M x 36	NONE
9MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	NONE
9MB	NONE	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
9MB	(1) 256K x 36	NONE	(1) 1M x 36	(1) 1M x 36
10MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
10MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
12MB	NONE	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
12MB	(1) 1M x 36	NONE	(1) 1M x 36	(1) 1M x 36
13MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
13MB	(1) 1M x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
16MB	NONE	(1) 4M x 36	NONE	NONE
16MB	NONE	NONE	(1) 4M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
17MB	(1) 256K x 36	(1) 4M x 36	NONE	NONE
17MB	(1) 256K x 36	NONE	(1) 4M x 36	NONE
17MB	NONE	(1) 256K x 36	(1) 4M x 36	NONE
17MB	NONE	(1) 4M x 36	(1) 256K x 36	NONE
18MB	(1) 256K x 36	(1) 256K x 36	(1) 4M x 36	NONE
18MB	(1) 256K x 36	(1) 4M x 36	(1) 256K x 36	NONE
18MB	NONE	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
19MB	(1) 256K x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
20MB	(1) 1M x 36	NONE	(1) 4M x 36	NONE
20MB	NONE	(1) 1M x 36	(1) 4M x 36	NONE
20MB	NONE	(1) 4M x 36	(1) 1M x 36	NONE
21MB	(1) 256K x 36	(1) 1M x 36	(1) 4M x 36	NONE
21MB	(1) 256K x 36	(1) 4M x 36	(1) 1M x 36	NONE
21MB	(1) 1M x 36	(1) 256K x 36	(1) 4M x 36	NONE
21MB	(1) 1M x 36	(1) 4M x 36	(1) 256K x 36	NONE
22MB	(1) 1M x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	NONE
24MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36	NONE
24MB	NONE	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
25MB	(1) 256K x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
28MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
33MB	(1) 256K x 36	(1) 4M x 36	(1) 4M x 36	NONE

CACHE CONFIGURATION
Size	Bank 0	TAG
128KB	(4) 32K x 8	(1) 8K x 8
256KB	(4) 64K x 8	(1) 32K x 8
512KB	(4) 128K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JS1	JS2
128KB	pins 1 & 2 closed	pins 1 & 2 closed
256KB	pins 2 & 3 closed	pins 1 & 2 closed
512KB	pins 2 & 3 closed	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	JC1	JC2	JC3	JC4	JC5
80486SX	Open	Open	2 & 3	2 & 3	Open
CX486DX	Open	Open	1 & 2	1 & 2	Open
SL80486DX	Open	2 & 3	1 & 2	1 & 2	Open
UMC U5SD	Open	Open	1 & 2	1 & 2	Open
UMC U5S/U5SLV	Open	Open	2 & 3	2 & 3	Open
CX486DX2	Open	Open	1 & 2	1 & 2	Open
SL AM486DX2	Open	2 & 3	1 & 2	1 & 2	Open
AM486DX2	Closed	Open	1 & 2	1 & 2	Open
SL80486DX2	Open	2 & 3	1 & 2	1 & 2	Open
SL AM486DX4	Open	1 & 2	1 & 2	1 & 2	Open
AM486DX4	Open	Open	1 & 2	1 & 2	Open
CXM1	Open	1 & 2	1 & 2	1 & 2	Open
80486DX4	Open	1 & 2	1 & 2	1 & 2	Open
80486DX4 (2x)	Open	2 & 3	1 & 2	1 & 2	Open
80486DX4 (3x)	Open	1 & 2	1 & 2	1 & 2	Open
P24D (WB)	Open	1 & 2	1 & 2	1 & 2	Open
P24D (WT)	Closed	1 & 2	1 & 2	1 & 2	Open
P24S	Open	2 & 3	1 & 2	1 & 2	Open
P24T (WB)	Open	1 & 2	1 & 2	1 & 2	Closed
P24T (WT)	Closed	1 & 2	1 & 2	1 & 2	Closed
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	RNA	RNC	RNI
80486SX	Not installed	Not installed	pins 1 - 5 closed
CX486DX	Not installed	Installed	Not installed
SL80486DX	Not installed	Not installed	pins 1 - 5 closed
UMC U5SD	Installed	Not installed	Not installed
UMC U5S/U5SLV	Installed	Not installed	Not installed
CX486DX2	Not installed	Installed	Not installed
SL AM486DX2	Not installed	Not installed	pins 6 - 10 closed
AM486DX2	Installed	Not installed	Not installed
SL80486DX2	Not installed	Not installed	pins 1 - 5 closed
SL AM486DX4	Not installed	Not installed	pins 6 - 10 closed
AM486DX4	Installed	Not installed	Not installed
CXM1	Not installed	Not installed	pins 6 - 10 closed
80486DX4	Not installed	Not installed	pins 1 - 5 closed
80486DX4 (2x)	Not installed	Not installed	pins 1 - 5 closed
80486DX4 (3x)	Not installed	Not installed	pins 1 - 5 closed
P24D (WB)	Not installed	Not installed	pins 1 - 5 closed
P24D (WT)	Not installed	Not installed	pins 1 - 5 closed
P24S	Not installed	Not installed	pins 1 - 5 closed
P24T (WB)	Not installed	Not installed	pins 1 - 5 closed
P24T (WT)	Not installed	Not installed	pins 1 - 5 closed

CPU SPEED CONFIGURATION
Speed	JK1	JK2	JK3	JK4
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
75iMHz	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
80iMHz	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
100iMHz	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed

CPU VOLTAGE CONFIGURATION
Voltage	CN3V	JPW1	JPW2
3.3v	Open	1 & 2	Open
3.45v	Open	2 & 3	Open
3.6v	Open	Open	1 & 2
4v	Open	Open	2 & 3
5v	1 & 2, 3 & 4, 13 & 14, 15 & 16
Note: Pins designated should be in the closed position.

DMA CONFIGURATION
DMA	JEPP1	JEPP2
DMA 1	pins 2 & 3 closed	pins 2 & 3 closed
DMA 3	pins 1 & 2 closed	pins 1 & 2 closed

PARALLEL PORT CONFIGURATION
Setting	JH	JG
Output	pins 2 & 3 closed	pins 2 & 3 closed
Input	pins 1 & 2 closed	pins 1 & 2 closed
Bidirectional	pins 2 & 3 closed	Open

KEYBOARD CONFIGURATION
Setting	JX3	RN1	RN16	RN19
Internal controller	pins 1 & 2 closed	Not installed	Installed	Not installed
External controller	pins 2 & 3 closed	Installed	Not installed	Installed

PCI BUS CLOCK CONFIGURATION
DMA	JCK	JT1
<= 33MHz	pins 1 & 2 closed	pins 1 & 2 closed
> 33MHz	pins 2 & 3 closed	pins 2 & 3 closed