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COBRA-XLP-PCI Motherboard Settings and Configuration






ROBOTECH, INC.

COBRA-XLP-PCI

Processor

Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

SIS

Maximum Onboard Memory

512MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, game port, green PC connector, IDE interfaces (2), SCSI connector, parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

Game port

CN1

Turbo switch

J3

Serial port

CN2

Turbo LED

J4

Serial port

CN3

Green PC connector

J5

Floppy drive interface

CN4

Green PC LED

J6

Parallel port

CN5

Power LED & keylock

J7

IDE interface

CN6

Reset switch

J8

IDE interface

CN7

Green PC connector

JP17

SCSI interface

CN8

External battery

JP24

SCSI interface LED

J1

32-bit PCI slots

PC1 - PC4

Speaker

J2

   

Note: CN1 - CN3 are shown for location purposes only. The exact purpose of these connectors is unidentified.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

IDE interface enabled

JP2

Pins 1 & 2 closed

 

IDE interface disabled

JP2

Pins 2 & 3 closed

»

CPU cache data select invalid in bus master read or write cycle

JP3

Pins 1 & 2 closed

 

CPU cache data select invalid only in bus master cycle

JP3

Pins 2 & 3 closed

»

Cache type select write back

JP4

Pins 1 & 2 closed

 

Cache type select write through

JP4

Pins 2 & 3 closed

»

Factory configured - do not alter

JP5

Pins 1 & 2 closed

 

TAG size select 8 bits (do not change setting)

JP10

Pins 1 & 2 closed

 

TAG size select 7 bits (do not change setting)

JP10

Pins 2 & 3 closed

»

Green PC select stop clock

JP14

Pins 1 & 2 closed

 

Green PC select SMI

JP14

Pins 2 & 3 closed

»

Factory configured - do not alter

JP16

Pins 2 & 3, 4 & 5 closed

»

Factory configured - do not alter

JP17

N/A

»

SCSI terminator power source select system

JP23

Closed

 

SCSI terminator power source select peripheral

JP23

Open

»

CMOS memory normal operation

JP24

Pins 2 & 3 closed

 

CMOS memory clear

JP24

Pins 3 & 4 closed

 

Battery type select external

JP24

Closed

»

Factory configured - do not alter

JP25

N/A

»

Game port enabled

JP30

Closed

 

Game port disabled

JP30

Open

»

Floppy drive interface enabled

JP31

Pins 1 & 2 closed

 

Floppy drive interface disabled

JP31

Pins 2 & 3 closed

»

Parallel port IRQ select IRQ5

JP34

Pins 2 & 3 closed

 

Parallel port IRQ select IRQ7

JP34

Pins 1 & 2 closed

»

Parallel port enabled

JP35

Pins 1 & 2 closed

 

Parallel port disabled

JP35

Pins 2 & 3 closed

USER CONFIGURABLE SETTINGS (CON’T)

Setting

Label

Position

»

Serial port 1 COM1 enabled

JP39

Pins 1 & 2 closed

 

Serial port COM1 disabled

JP39

Pins 2 & 3 closed

»

Parallel port bidirectional

JP42

Open

 

Parallel port unidirectional

JP42

Closed

DRAM

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

None

None

None

(1) 256K x 32

1MB

None

None

(1) 256K x 32

None

1MB

None

(1) 256K x 32

None

None

1MB

(1) 256K x 32

None

None

None

2MB

(1) 256K x 32

(1) 256K x 32

None

None

2MB

None

None

None

(1) 512K x 32

2MB

None

None

(1) 512K x 32

None

2MB

None

(1) 512K x 32

None

None

2MB

(1) 512K x 32

None

None

None

4MB

(1) 512K x 32

(1) 512K x 32

None

None

4MB

(1) 256K x 32

(1) 256K x 32

(1) 256K x 32

(1) 256K x 32

4MB

None

None

None

(1) 1M x 32

4MB

None

None

(1) 1M x 32

None

4MB

None

(1) 1M x 32

None

None

4MB

(1) 1M x 32

None

None

None

6MB

(1) 512K x 32

(1) 512K x 32

(1) 256K x 32

(1) 256K x 32

6MB

(1) 256K x 32

(1) 256K x 32

(1) 512K x 32

(1) 512K x 32

8MB

(1) 1M x 32

(1) 1M x 32

None

None

8MB

(1) 512K x 32

(1) 512K x 32

(1) 512K x 32

(1) 512K x 32

8MB

None

None

None

(1) 2M x 32

8MB

None

None

(1) 2M x 32

None

8MB

None

(1) 2M x 32

None

None

8MB

(1) 2M x 32

None

None

None

10MB

(1) 1M x 32

(1) 1M x 32

(1) 512K x 32

(1) 512K x 32

10MB

(1) 256K x 32

(1) 256K x 32

(1) 1M x 32

(1) 1M x 32

12MB

(1) 1M x 32

(1) 1M x 32

(1) 512K x 32

(1) 512K x 32

12MB

(1) 512K x 32

(1) 512K x 32

(1) 1M x 32

(1) 1M x 32

16MB

(1) 2M x 32

(1) 2M x 32

None

None

16MB

(1) 1M x 32

(1) 1M x 32

(1) 1M x 32

(1) 1M x 32

16MB

None

None

None

(1) 4M x 32

16MB

None

None

(1) 4M x 32

None

16MB

None

(1) 4M x 32

None

None

16MB

(1) 4M x 32

None

None

None

18MB

(1) 2M x 32

(1) 2M x 32

(1) 256K x 32

(1) 256K x 32

18MB

(1) 256K x 32

(1) 256K x 32

(1) 2M x 32

(1) 2M x 32

DRAM

Size

Bank 0

Bank 1

Bank 2

Bank 3

20MB

(1) 2M x 32

(1) 2M x 32

(1) 512K x 32

(1) 512K x 32

20MB

(1) 512K x 32

(1) 512K x 32

(1) 2M x 32

(1) 2M x 32

24MB

(1) 2M x 32

(1) 2M x 32

(1) 1M x 32

(1) 1M x 32

24MB

(1) 1M x 32

(1) 1M x 32

(1) 2M x 32

(1) 2M x 32

32MB

(1) 4M x 32

(1) 4M x 32

None

None

32MB

(1) 2M x 32

(1) 2M x 32

(1) 2M x 32

(1) 2M x 32

32MB

None

None

None

(1) 8M x 32

32MB

None

None

(1) 8M x 32

None

32MB

None

(1) 8M x 32

None

None

32MB

(1) 8M x 32

None

None

None

34MB

(1) 256K x 32

(1) 256K x 32

(1) 4M x 32

(1) 4M x 32

34MB

(1) 4M x 32

(1) 4M x 32

(1) 256K x 32

(1) 256K x 32

36MB

(1) 4M x 32

(1) 4M x 32

(1) 512K x 32

(1) 512K x 32

36MB

(1) 512K x 32

(1) 512K x 32

(1) 4M x 32

(1) 4M x 32

40MB

(1) 4M x 32

(1) 4M x 32

(1) 1M x 32

(1) 1M x 32

40MB

(1) 1M x 32

(1) 1M x 32

(1) 4M x 32

(1) 4M x 32

48MB

(1) 4M x 32

(1) 4M x 32

(1) 2M x 32

(1) 2M x 32

48MB

(1) 2M x 32

(1) 2M x 32

(1) 4M x 32

(1) 4M x 32

64MB

(1) 8M x 32

(1) 8M x 32

None

None

64MB

(1) 4M x 32

(1) 4M x 32

(1) 4M x 32

(1) 4M x 32

64MB

None

None

None

(1) 16M x 32

64MB

None

None

(1) 16M x 32

None

64MB

None

(1) 16M x 32

None

None

64MB

(1) 16M x 32

None

None

None

66MB

(1) 8M x 32

(1) 8M x 32

(1) 256K x 32

(1) 256K x 32

66MB

(1) 256K x 32

(1) 256K x 32

(1) 8M x 32

(1) 8M x 32

68MB

(1) 8M x 32

(1) 8M x 32

(1) 512K x 32

(1) 512K x 32

68MB

(1) 512K x 32

(1) 512K x 32

(1) 8M x 32

(1) 8M x 32

72MB

(1) 8M x 32

(1) 8M x 32

(1) 1M x 32

(1) 1M x 32

72MB

(1) 1M x 32

(1) 1M x 32

(1) 8M x 32

(1) 8M x 32

80MB

(1) 8M x 32

(1) 8M x 32

(1) 2M x 32

(1) 2M x 32

80MB

(1) 2M x 32

(1) 2M x 32

(1) 8M x 32

(1) 8M x 32

96MB

(1) 8M x 32

(1) 8M x 32

(1) 4M x 32

(1) 4M x 32

96MB

(1) 4M x 32

(1) 4M x 32

(1) 8M x 32

(1) 8M x 32

128MB

(1) 16M x 32

(1) 16M x 32

None

None

128MB

(1) 8M x 32

(1) 8M x 32

(1) 8M x 32

(1) 8M x 32

128MB

None

None

None

(1) 32M x 32

128MB

None

None

(1) 32M x 32

None

128MB

None

(1) 32M x 32

None

None

128MB

(1) 32M x 32

None

None

None

130MB

(1) 16M x 32

(1) 16M x 32

(1) 256K x 32

(1) 256K x 32

132MB

(1) 256K x 32

(1) 256K x 32

(1) 16M x 32

(1) 16M x 32

DRAM (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

136MB

(1) 16M x 32

(1) 16M x 32

(1) 1M x 32

(1) 1M x 32

144MB

(1) 1M x 32

(1) 1M x 32

(1) 16M x 32

(1) 16M x 32

160MB

(1) 16M x 32

(1) 16M x 32

(1) 4M x 32

(1) 4M x 32

192MB

(1) 16M x 32

(1) 16M x 32

(1) 8M x 32

(1) 8M x 32

256MB

(1) 16M x 32

(1) 16M x 32

(1) 16M x 32

(1) 16M x 32

256MB

(1) 32M x 32

(1) 32M x 32

None

None

258MB

(1) 32M x 32

(1) 32M x 32

(1) 256K x 32

(1) 256K x 32

260MB

(1) 32M x 32

(1) 32M x 32

(1) 512K x 32

(1) 512K x 32

264MB

(1) 32M x 32

(1) 32M x 32

(1) 1M x 32

(1) 1M x 32

272MB

(1) 32M x 32

(1) 32M x 32

(1) 2M x 32

(1) 2M x 32

288MB

(1) 32M x 32

(1) 32M x 32

(1) 4M x 32

(1) 4M x 32

320MB

(1) 32M x 32

(1) 32M x 32

(1) 8M x 32

(1) 8M x 32

384MB

(1) 16M x 32

(1) 16M x 32

(1) 32M x 32

(1) 32M x 32

384MB

(1) 32M x 32

(1) 32M x 32

(2) 32M x 32

(2) 16M x 32

512MB

(1) 32M x 32

(1) 32M x 32

(1) 32M x 32

(1) 32M x 32

Note: The orientation of the banks is unidentified.

CACHE SIZE

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 8K x 8

512KB

(8) 64K x 8

(1) 32K x 8

1MB

(8) 128K x 8

(1) 64K x 8

CACHE JUMPER

Size

JP8

JP9

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 1 & 2 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED (MX8318)

Setting

JP11

JP12

JP13

75MHz

Open

Open

Closed

90MHz

Open

Closed

Open

100MHz

Closed

Open

Closed

120MHz

Open

Closed

Open

133MHz

Closed

Open

Closed

CPU SPEED (MX8325)

Setting

JP11

JP12

JP13

75MHz

Closed

Closed

Open

90MHz

Closed

Open

Closed

100MHz

Closed

Closed

Closed

120MHz

Closed

Open

Closed

133MHz

Closed

Closed

Closed

CPU MULTIPLIER

Setting

JP6

1.5x

Open

2x

Closed

CPU VOLTAGE

Setting

JP7

»

3.3v - 3.45v

Open

 

3.45v - 3.6v

Closed

DMA CHANNEL

Setting

JP37

JP38

»

DMA1

Pins 1 & 2 closed

Pins 1 & 2 closed

 

DMA3

Pins 2 & 3 closed

Pins 2 & 3 closed

PARALLEL PORT

Setting

JP32

JP36

»

Printer

Pins 2 & 3 closed

Pins 2 & 3 closed

 

EPP mode

Pins 2 & 3 closed

Pins 1 & 2 closed

 

ECP/EPP

Pins 1 & 2 closed

Pins 2 & 3 closed

 

EXT, 2 FDD

Pins 1 & 2 closed

Pins 1 & 2 closed

SERIAL PORT 2

Setting

JP33

JP40

»

COM2

Pins 2 & 3 closed

Pins 1 & 2 closed

 

COM3

Pins 1 & 2 closed

Pins 1 & 2 closed

 

COM4

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

SCSI & SCSI IRQ

Setting

JP18

JP19

JP21

JP22

IRQ9 enabled

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

Pins 1 & 2 closed

IRQ11 enabled

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

Pins 2 & 3 closed

Disabled

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

Open

DMA

Setting

JP37

JP38

»

DMA1

Pins 1 & 2 closed

Pins 1 & 2 closed

 

DMA3

Pins 2 & 3 closed

Pins 2 & 3 closed








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