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INTEL PCI

INFORMTECH INTERNATIONAL, INC.

INTEL PCI

Processor

80486SX/80487SX/80486DX/Pentium Overdrive

Processor Speed

25/33MHz

Chip Set

Intel

Max. Onboard DRAM

64MB

Cache

64/128/256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit PCI bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

SCSI bus LED

CN1

32-bit PCI bus slot

PCI2

Turbo switch

J4

32-bit PCI bus slot

PCI3

Turbo LED

J5

Speaker

SPK

Power LED & keylock

KLOCK

Reset switch

RST

32-bit PCI bus slot

PCI1

 

 

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

CMOS

Closed

 

CMOS memory clear

CMOS

Open

Factory configured - do not alter

J9

Closed

External cache installed

J17

pins 2 & 3 closed

 

External cache not installed

J17

pins 1 & 2 closed

SCSI terminator power source from the system

J24

Closed

 

SCSI terminator power source from peripheral device

J24

Open

Flash EPROM 27C020 or 27C010 installed

JK3

pins 1 & 2 closed

 

Flash EPROM 27C512 installed

JK3

pins 2 & 3 closed

Note:The location of CMOS jumper is unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

4MB

(2) 512K x 36

NONE

6MB

(2) 256K x 36

(2) 512K x 36

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 512K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

10MB

(2) 256K x 36

(2) 1M x 36

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 512K x 36

(2) 1M x 36

12MB

(2) 1M x 36

(2) 512K x 36

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

18MB

(2) 256K x 36

(2) 2M x 36

18MB

(2) 2M x 36

(2) 256K x 36

20MB

(2) 512K x 36

(2) 2M x 36

20MB

(2) 2M x 36

(2) 512K x 36

24MB

(2) 1M x 36

(2) 2M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

34MB

(2) 256K x 36

(2) 4M x 36

34MB

(2) 4M x 36

(2) 256K x 36

36MB

(2) 512K x 36

(2) 4M x 36

36MB

(2) 4M x 36

(2) 512K x 36

40MB

(2) 1M x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

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

512KB

(4) 128K x 8

None

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J6

J7

J8

J11

J18

J19

64KB

Open

Open

Open

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

Closed

Open

Open

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

256KB

Closed

Closed

Open

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

512KB

Closed

Closed

Closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

. CPU TYPE CONFIGURATION (CONT.)

Type

J106

J107

J109

SL-enhanced CPU

Closed

Closed

pins 2 & 3 closed

Normal CPU

N/A

N/A

pins 1 & 2 closed

. CPU TYPE CONFIGURATION (CONT.)

Type

KC1

KC2

KC3

KC4

KC5

JF

J20

J21

80486SX

Open

Open

Open

Closed

Open

Closed

2 & 3

1 & 2

80487SX

Open

Closed

Closed

Open

Closed

Closed

2 & 3

1 & 2

80486DX

Closed

Open

Closed

Open

Closed

Closed

2 & 3

1 & 2

Pentium Overdrive

Open

Closed

Closed

Open

Closed

Open

2 & 3

1 & 2

Note:Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP3

J12

J13

25MHz

Closed

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

Closed

pins 1 & 2 closed

pins 1 & 2 closed

VESA WAIT STATE/BUS SPEED CONFIGURATION

Speed

Wait states

J14

£ 33MHz

0 wait states

pins 2 & 3 closed

> 33MHz

1 wait state

pins 1 & 2 closed

PCI SLAVE/MASTERSLAVE CONFIGURATION

Slot

Type

J102

J103

J104

J105

1

Slave

N/A

N/A

Pins 1 & 2

Pins 1 & 2

1

Master

N/A

N/A

Pins 2 & 3

Pins 2 & 3

2

Slave

N/A

N/A

Pins 2 & 3

Pins 2 & 3

2

Master

N/A

N/A

Pins 1 & 2

Pins 1 & 2

3

Slave

Pins 2 & 3

Pins 2 & 3

N/A

N/A

3

Master

Pins 1 & 2

Pins 1 & 2

N/A

N/A

SCSI

Slave

Pins 1 & 2

Pins 1 & 2

N/A

N/A

SCSI

Master

Pins 2 & 3

Pins 2 & 3

N/A

N/A

Note:Pins designated should be in the closed position.

PCI IRQ INTERRUPT SELECT

PCI1

J37

J36

J39

J40

J42

J43

PCI-1-INTA

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

PCI-2-INTA

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

PCI-2-INTA

pins 2 & 3

pins 1 & 2

pins 2 & 4

pins 2 & 4

pins 2 & 4

pins 2 & 4

Note:Pins designated should be in the closed position.

For every INTA signal, only one of IRQ5-IRQ15 should be connected.

ON BOARD SCSI CONFIGURATION

SCSI

J2

J3

Enabled

Closed

Closed

Disabled

Open

Open

Note:When the on board SCSI is disconnected from the power, the power cost should go down.