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SA 486P AIO

ELITEGROUP COMPUTER SYSTEMS, INC.

SA 486P AIO

Processor

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

Processor Speed

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

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI local bus slots (3), floppy drive interface,

IDE interface, parallel port, serial ports (2), SCSI drive interface

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Parallel port

J8

Speaker

J2

Serial port 2

J10

Power LED & keylock

J3

Serial port 1

J11

SCSI drive interface

J4

32-bit PCI Local bus slot

S1

IDE HDD interface

J5

32-bit PCI Local bus slot

S2

Floppy drive interface

J6

32-bit PCI Local bus slot

S3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Parallel port IRQ7

JP13

pins 2 & 3 closed

 

Parallel port IRQ5

JP13

pins 1 & 2 closed

Flash BIOS write protect enabled

JP19

pins 1 & 2 closed

 

Flash BIOS write protect disabled

JP19

pins 2 & 3 closed

Factory configured - do not alter

JP26

N/A

ODP586SX write back mode enabled

JP27

Closed

 

ODP586SX write back mode disabled

JP27

Open

Factory configured - do not alter

JP28

pins 2 & 3 closed

Factory configured - do not alter

JP29

Closed

On board SCSI termination enabled

JP34

Closed

 

On board SCSI termination disabled

JP34

Open

Factory configured - do not alter

JP42

Closed

Factory configured - do not alter

JP43

N/A

Factory configured - do not alter

JP44

N/A

Factory configured - do not alter

JP45

N/A

Factory configured - do not alter

JP46

N/A

Factory configured - do not alter

JP47

N/A

Factory configured - do not alter

JP48

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Max Cachable

Bank 0

Bank 1

TAG

128KB

16MB

(4) 32K x 8

NONE

(1) 16K x 4

256KB

32MB

(4) 32K x 8

(4) 32K x 8

(1) 16K x 4

CACHE JUMPER CONFIGURATION

Size

JP4

JP5

JP6

JP7

JP9

JP10

JP21

JP22

128KB

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

Open

Open

256KB

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

Closed

Closed

Note:Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

CPU

Socket

JP23

JP24

JP25

JP51

80486SX

PGA

pins 2 & 3

Closed

pins 2 & 3

Closed

80486SX

PQFP

N/A

Open

pins 2 & 3

Closed

80487SX

PGA

pins 1 & 2

Closed

1 & 2 and 3 & 4

Closed

80486DX

PGA

pins 3 & 4

Closed

1 & 2 and 3 & 4

Closed

80486DX2

PGA

pins 3 & 4

Closed

1 & 2 and 3 & 4

Closed

Pentium Overdrive

PGA

pins 1 & 2

Closed

1 & 2 and 3 & 4

Open

Note:Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP1

JP2

JP3

JP17

JP18

25MHz

Closed

Open

Closed

pins 2 & 3

pins 2 & 3

33MHz

Open

Open

Closed

pins 2 & 3

pins 1 & 2

50i MHz

Closed

Open

Closed

pins 2 & 3

pins 2 & 3

66i MHz

Open

Open

Closed

pins 2 & 3

pins 1 & 2

Note:Pins designated should be in the closed position.

PCI BUS INTERRUPT SELECT

Setting

JP14

JP15

JP16

IRQ 15

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

IRQ 10

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

IRQ 11

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

None

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Note: IRQ14 is hardwired for IDE interface.

If using an interrupt that cannot be shared with other devices, JP14, JP15, and JP16 should be set on pins 2 & 3 closed.

EPP/EPC CONFIGURATION

Type

JP11

JP12

DRQ1/DACK1

pins 1 & 2 closed

pins 1 & 2 closed

DRQ3/DACK3

pins 2 & 3 closed

pins 2 & 3 closed

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

DRAM CONFIGURATION (CONT.)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

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) 4M x 36

(1) 4M 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