CHAINTECH COMPUTER COMPANY, LTD.

486ICP

Processor

80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

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

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI local bus slots (3), special slot (1)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

CN1

32-bit PCI bus slots

PCI1 - PCI3

Speaker

CN2

Special slot

SL1

Power LED & keylock

CN3

   

Note: The purpose of SL1 is unspecified by the manufacturer.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J7

Open

»

Factory configured - do not alter

J20

Open

»

Factory configured - do not alter

J22

Open

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

64MB

(2) 8M x 36

NONE

66MB

(2) 256K x 36

(2) 8M x 36

66MB

(2) 8M x 36

(2) 256K x 36

68MB

(2) 512K x 36

(2) 8M x 36

68MB

(2) 8M x 36

(2) 512K x 36

72MB

(2) 1M x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 2M x 36

(2) 8M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 4M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 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) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J14

J15

J17

J18

128KB

Open

Open

pins 2 & 3 closed

pins 1 & 2 closed

256KB

Closed

Open

pins 1 & 2 closed

pins 2 & 3 closed

512KB

Closed

Closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

J1

J2

J3

J4

J5

80486SX

Open

Open

Open

Closed

Open

ODP486SX

Open

Closed

Closed

Open

Closed

80487SX

Open

Closed

Closed

Open

Closed

80486DX

Closed

Open

Closed

Open

Closed

80486DX2

Closed

Open

Closed

Open

Closed

CPU SPEED CONFIGURATION

Speed

J21

JP29

JP30

JP31

25MHz

pins 1 & 2 closed

Open

Open

Closed

33MHz

pins 2 & 3 closed

Closed

Open

Open

50iMHz

pins 1 & 2 closed

Open

Open

Closed

66iMHz

pins 2 & 3 closed

Closed

Open

Open

PCI IRQ CONFIGURATION (INT A)

IRQ

J33

IRQ5

pins 11 & 12 closed

IRQ9

pins 9 & 10 closed

IRQ10

pins 7 & 8 closed

IRQ11

pins 5 & 6 closed

IRQ14

pins 3 & 4 closed

IRQ15

pins 1 & 2 closed

PCI IRQ CONFIGURATION (INT B)

IRQ

J36

IRQ5

pins 11 & 12 closed

IRQ9

pins 9 & 10 closed

IRQ10

pins 7 & 8 closed

IRQ11

pins 5 & 6 closed

IRQ14

pins 3 & 4 closed

IRQ15

pins 1 & 2 closed

PCI IRQ CONFIGURATION (INT C)

IRQ

J35

IRQ5

pins 11 & 12 closed

IRQ9

pins 9 & 10 closed

IRQ10

pins 7 & 8 closed

IRQ11

pins 5 & 6 closed

IRQ14

pins 3 & 4 closed

IRQ15

pins 1 & 2 closed

PCI IRQ CONFIGURATION (INT D)

IRQ

J34

IRQ5

pins 11 & 12 closed

IRQ9

pins 9 & 10 closed

IRQ10

pins 7 & 8 closed

IRQ11

pins 5 & 6 closed

IRQ14

pins 3 & 4 closed

IRQ15

pins 1 & 2 closed