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COBRA-XL

ROBOTECH, INC.

COBRA-XL

Processor

80486SX/80486SX2/80487SX/80486DX/SL80486DX/AM486DX2/CX486DX2/ AM486DXL2/ODP486DX2/SL80486DX2/80486DX2/U5S/U5SD/SL-AM486DX4/ AM486DX4/CX486DX4/ODP486DX4/80486DX4/Pentium Overdrive

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

128/256/512/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (3), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

CN1

Reset switch

J2

IDE interface

CN2

Green PC connector

J3

Game port

CN3

Turbo LED

J4

Parallel port

CN4

Green PC connector

J5

Serial port 1

CN5

Turbo switch

J6

Serial port 2

CN6

Power LED & keylock

J7

Floppy drive interface

CN7

External battery

J8

Speaker

J1

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JC5

Open

Factory configured - do not alter

JC7

Open

Factory configured - do not alter

JP1

N/A

Factory configured - do not alter

JP8

N/A

STP.CLK enabled

JP6

pins 1 & 2 closed

 

SMI OUT enabled

JP6

pins 2 & 3 closed

BIOS type select normal mode

jp16

pins 2 & 3, 4 & 5 closed

 

BIOS type select update mode

jp16

pins 1 & 2, 5 & 6 closed

CMOS memory normal operation

JP17

Open

 

CMOS memory clear

JP17

Closed

On board battery enabled

JP18

Closed

 

On board battery disabled

JP18

Open

Factory configured - do not alter

JP19

N/A

COM1 enabled

JP20

pins 1 & 2 closed

 

COM1 disabled

JP20

pins 2 & 3 closed

COM2 enabled

JP22

pins 1 & 2 closed

 

COM2 disabled

JP22

pins 2 & 3 closed

Parallel port IRQ select IRQ7

JP30

pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

JP30

pins 2 & 3 closed

Floppy drive interface enabled

JP32

pins 1 & 2 closed

 

Floppy drive interface disabled

JP32

pins 2 & 3 closed

Game port enabled

JP35

Closed

 

Game port disabled

JP35

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

3MB

(1) 512K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

NONE

5MB

(1) 512K 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) 1M x 36

(1) 256K x 36

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

7MB

(1) 1M x 36

(1) 256K 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) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

NONE

9MB

(1) 256K x 36

(1) 2M x 36

NONE

NONE

9MB

(1) 2M x 36

(1) 256K x 36

NONE

NONE

10MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

NONE

11MB

(1) 2M x 36

(1) 256K 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

(1) 1M x 36

(1) 2M x 36

NONE

NONE

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

13MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

NONE

17MB

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

20MB

(1) 2M 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

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

24MB

(1) 4M x 36

(1) 2M x 36

NONE

NONE

24MB

(1) 2M x 36

(1) 4M x 36

NONE

NONE

DRAM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

25MB

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

28MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

NONE

33MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

NONE

33MB

(1) 256K x 36

(1) 8M x 36

NONE

NONE

33MB

(1) 8M x 36

(1) 256K x 36

NONE

NONE

34MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

NONE

35MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

36MB

(1) 8M x 36

(1) 1M x 36

NONE

NONE

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

40MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

NONE

40MB

(1) 2M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

NONE

40MB

(1) 8M x 36

(1) 2M x 36

NONE

NONE

44MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 8M x 36

NONE

NONE

48MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

NONE

48MB

(1) 8M x 36

(1) 4M x 36

NONE

NONE

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

56MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

65MB

(1) 16M x 36

(1) 256K x 36

NONE

NONE

66MB

(1) 16M x 36

(1) 256K x 36

(1) 256K x 36

NONE

67MB

(1) 16M x 36

(1) 256K 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

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 16M x 36

(1) 1M x 36

NONE

NONE

72MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 2M x 36

(1) 16M x 36

NONE

NONE

DRAM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

72MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

NONE

72MB

(1) 16M x 36

(1) 2M x 36

NONE

NONE

76MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

NONE

80MB

(1) 16M x 36

(1) 4M x 36

NONE

NONE

80MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

88MB

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

NONE

96MB

(1) 16M x 36

(1) 8M x 36

NONE

NONE

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 8M x 36

(1) 16M x 36

NONE

NONE

97MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

100MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

104MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

112MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

112MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 16M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K x 8

256KB

(4) 64K x 8

NONE

(1) 16K 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

1MB

(4) 128K x 8

(4) 128K x 8

(1) 64K x 8

CACHE JUMPER CONFIGURATION

Size

JP9

JP10

JP11

JP12

JP13

128KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2, 3 & 4

256KB

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3, 4 & 5

256KB

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2, 3 & 4

512KB

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2, 3 & 4

512KB

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3, 4 & 5

1MB

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3, 4 & 5

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JC1

JC2

JC3

JC4

JC6

80486SX

2 & 3

N/A

3 & 4

N/A

N/A

80486SX2

2 & 3

N/A

3 & 4

N/A

N/A

80487SX

2 & 3

N/A

3 & 4

N/A

N/A

80486DX

2 & 3

N/A

N/A

N/A

N/A

SL80486DX

2 & 3

N/A

3 & 4

N/A

N/A

AM486DX2

2 & 3

N/A

N/A

N/A

N/A

CX486DX2

2 & 3

N/A

2 & 3

N/A

N/A

AM486DXL2

2 & 3

N/A

N/A

N/A

N/A

ODP486DX2

2 & 3

N/A

3 & 4

N/A

N/A

SL80486DX2

2 & 3

N/A

3 & 4

N/A

N/A

80486DX2

2 & 3

N/A

N/A

N/A

N/A

U5S

2 & 3

N/A

N/A

N/A

N/A

U5SD

2 & 3

N/A

N/A

N/A

N/A

SL AM486DX4

2 & 3

N/A

1 & 2, 3 & 4

N/A

4 & 5

AM486DX4

2 & 3

N/A

N/A

N/A

N/A

CX486DX4

1 & 2

1 & 2

1 & 2, 3 & 4

N/A

2 & 3

ODP486DX4

2 & 3

N/A

3 & 4

N/A

N/A

80486DX4

2 & 3

N/A

3 & 4

N/A

N/A

Pentium Overdrive

2 & 3

N/A

3 & 4

1 & 2

N/A

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONT)

Type

JC8

JC9

JC10

JC11

JC12

80486SX

N/A

2 & 3

3 & 4

4 & 5

1 & 2

80486SX2

N/A

2 & 3

3 & 4

4 & 5

1 & 2

80487SX

N/A

2 & 3

2 & 3

4 & 5

1 & 2

80486DX

N/A

N/A

3 & 4

N/A

N/A

SL80486DX

N/A

2 & 3

3 & 4

4 & 5

1 & 2

AM486DX2

N/A

N/A

3 & 4

N/A

N/A

CX486DX2

2 & 3

1 & 2

3 & 4

2 & 3

1 & 2

AM486DXL2

3 & 4

4 & 5

1 & 2, 3 & 4

N/A

1 & 2

ODP486DX2

N/A

2 & 3

3 & 4

4 & 5

1 & 2

SL80486DX2

N/A

2 & 3

3 & 4

4 & 5

1 & 2

80486DX2

N/A

N/A

3 & 4

N/A

N/A

U5S

3 & 4

N/A

1 & 2

N/A

1 & 2

U5SD

3 & 4

N/A

1 & 2

N/A

1 & 2

SL AM486DX4

N/A

2 & 3

3 & 4

4 & 5

1 & 2

AM486DX4

N/A

N/A

3 & 4

N/A

N/A

CX486DX4

N/A

2 & 3

3 & 4

2 & 3

1 & 2

ODP486DX4

N/A

2 & 3

2 & 3

1 & 2

1 & 2

80486DX4

N/A

2 & 3

3 & 4

4 & 5

1 & 2

Pentium Overdrive

N/A

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONT)

Type

JC13

JC14

JC15

Q5

80486SX

2 & 3

N/A

N/A

2 & 3, 5 & 6

80486SX2

2 & 3

N/A

N/A

2 & 3, 5 & 6

80487SX

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

80486DX

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

SL80486DX

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

AM486DX2

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

CX486DX2

1 & 2, 3 & 4

2 & 3

N/A

2 & 3, 5 & 6

AM486DXL2

1 & 2, 3 & 4

N/A

2 & 3

2 & 3, 5 & 6

ODP486DX2

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

SL80486DX2

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

80486DX2

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

U5S

2 & 3

N/A

N/A

2 & 3, 5 & 6

U5SD

3 & 4

N/A

N/A

2 & 3, 5 & 6

SL AM486DX4

1 & 2, 3 & 4

1 & 2

N/A

N/A

AM486DX4

1 & 2, 3 & 4

N/A

N/A

N/A

CX486DX4

1 & 2, 3 & 4

1 & 2

N/A

N/A

ODP486DX4

1 & 2, 3 & 4

N/A

N/A

N/A

80486DX4

1 & 2, 3 & 4

N/A

N/A

N/A

Pentium Overdrive

1 & 2, 3 & 4

N/A

N/A

2 & 3, 5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP3

JP4

JP5

25MHz

Open

Open

Open

33MHz

Closed

Closed

Open

40MHz

Open

Closed

Open

50iMHz

Open

Open

Open

66iMHz

Closed

Closed

Open

75iMHz

Open

Open

Open

100iMHz

Closed

Closed

Open

PARALLEL PORT CONFIGURATION

Setting

JP24

JP25

JP29

JP31

Printer

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

N/A

EPP mode

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

ECP/EPP

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

Open

EXT, two FDD

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

DMA CONFIGURATION

DMA

JP26

JP27

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed

DMA 1

pins 1 & 2 closed

pins 1 & 2 closed