RELIALOGIC CORPORATION PRIVATE, LTD.

SA486VP

Processor

80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2),32-bit PCI bus slots (4), green PC feature

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J3

Power LED & keylock

J7

Reset switch

J5

32-bit PCI BUS slots

P1 - P4

Speaker

J6

32-bit VESA Local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP7

Open

»

Monitor type select color

JP8

pins 2 & 3 closed

 

Monitor type select monochrome

JP8

pins 1 & 2 closed

»

Factory configured - do not alter

JP9

Open

»

Factory configured - do not alter

JP10

Open

»

BIOS type select EPROM

JP11

pins 2 & 3 closed

 

BIOS type select Flash

JP11

pins 1 & 2 closed

»

Factory configured - do not alter

JP13

Open

»

Factory configured - do not alter

JP16

Open

»

Factory configured - do not alter

JP18

Open

»

Factory configured - do not alter

JP27

Open

»

Factory configured - do not alter

JP28

Open

»

Factory configured - do not alter

JP29

Open

»

Factory configured - do not alter

JP32

pins 2 & 3 closed

»

Factory configured - do not alter

JP33

Open

»

Factory configured - do not alter

JP34

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 256K 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

6MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

6MB

(1) 512K x 36

(1) 512K 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

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) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K 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

18MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

18MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 2M x 36

(1) 2M 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

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M 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

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) 512K x 36

(1) 512K x 36

(1) 8M x 36

(1) 8M x 36

68MB

(1) 8M x 36

(1) 8M x 36

(1) 512K x 36

(1) 512K x 36

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M 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) 2M x 36

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 8M x 36

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

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) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP14

JP15

JP22

JP23

JP24

JP25

JP30

JP31

128KB

Open

Open

1 & 2

2 & 3

1 & 2

1 & 2

Open

Open

256KB

Closed

Open

1 & 2

1 & 2

1 & 2

2 & 3

Closed

Open

512KB

Closed

Closed

1 & 2

1 & 2

1 & 2

1 & 2

Closed

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP26

80486SX

pins 2 & 3 closed

80487SX

pins 1 & 2, 3 & 4 closed

80486DX/DX2

pins 1 & 2, 3 & 4 closed

Overdrive

pins 1 & 2, 3 & 4 closed

CPU SPEED CONFIGURATION

Speed

JP17

JP19

JP20

JP21

25MHz

Closed

Closed

pins 2 & 3 closed

pins 2 & 3 closed

33MHz

Closed

Open

pins 1 & 2 closed

pins 2 & 3 closed

50iMHz

Closed

Closed

pins 2 & 3 closed

pins 2 & 3 closed

66iMHz

Closed

Open

pins 1 & 2 closed

pins 2 & 3 closed

VESA BUS CONFIGURATION

Setting

JP12

JP35

»

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

Note: The VESA bus function must be enabled when a VESA VGA is installed on board, or when running the VESA IDE under DOS, Windows, and Windows NT modes.

PCI IRQ CONFIGURATION

IRQ/INT

JP3

JP4

JP5

JP6

IRQ7/INT B

N/A

N/A

N/A

pins 2 & 3 closed

IRQ9/INT B

N/A

N/A

N/A

pins 1 & 2 closed

IRQ10/INT A

N/A

N/A

pins 1 & 2 closed

N/A

IRQ10/INT C

N/A

N/A

pins 2 & 3 closed

N/A

IRQ11/INT A

N/A

pins 1 & 2 closed

N/A

N/A

IRQ11/INT C

N/A

pins 2 & 3 closed

N/A

N/A

IRQ15/INT A

pins 1 & 2 closed

N/A

N/A

N/A

IRQ15/INT C

pins 2 & 3 closed

N/A

N/A

N/A

Note: If the add on card installed is anIDE or an IDE cache, INTX# setting for the PCI IDE or IDE cache card should be INTD#.

GREEN PC IRQ CONFIGURATION

IRQ

JP1

JP2

IRQ5

N/A

pins 1 & 2 closed

IRQ7

pins 1 & 2 closed

N/A

IRQ9

N/A

pins 3 & 4 closed

IRQ10

pins 3 & 4 closed

N/A

IRQ11

pins 5 & 6 closed

N/A