ELITEGROUP COMPUTER SYSTEMS, INC.

SA486P AIO-U (STD)

Processor

80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive

Processor Speed

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

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

AMI/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI bus slots (3), floppy drive interface, green PC connector, IDE interface, SCSI interface, parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J1

Reset switch

J9

Serial port 1

J2

Speaker

J10

Parallel port

J4

Power LED & keylock

J11

SCSI interface

J5

IDE interface LED

JP16

IDE interface

J6

SCSI interface LED

JP44

Floppy drive interface

J7

32-bit PCI bus slots

PC1 - PC3

Turbo LED

J8

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

BIOS type select EPROM

JP2

pins 2 & 3 closed

 

BIOS type select flash

JP2

pins 1 & 2 closed

»

Factory configured - do not alter

JP11

Open

»

Cache installed

JP31

pins 1 & 2 closed

 

Cache not installed

JP31

pins 2 & 3 closed

»

Cache wait state select 0 wait states

JP32

pins 1 & 2 closed

 

Cache wait state select 1 wait state

JP32

pins 2 & 3 closed

»

80486DX4 speed select 3x

JP42

Open

 

80486DX4 speed select 2x

JP42

pins 2 & 3 closed

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

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

JP25

JP28

JP30

128KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

256KB

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

pins 2 & 3 closed

512KB

pins 1 & 2, 3 & 4, 5 & 6 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP38

JP39

SL80486SX

pins 2 & 3 closed

Closed

80486SX

pins 2 & 3 closed

Open

SL80487SX

pins 1 & 2, 3 & 4 closed

Closed

80487SX

pins 1 & 2, 3 & 4 closed

Open

SL80486DX

pins 1 & 2, 3 & 4 closed

Closed

80486DX

pins 1 & 2, 3 & 4 closed

Open

SL80486DX2

pins 1 & 2, 3 & 4 closed

Closed

80486DX2

pins 1 & 2, 3 & 4 closed

Open

80486DX4

pins 1 & 2, 3 & 4 closed

Closed

SL Pentium Overdrive

pins 1 & 2, 3 & 4 closed

Closed

Pentium Overdrive

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP20

JP34

25MHz

Closed

pins 2 & 3 closed

33MHz

Open

pins 1 & 2 closed

50iMHz

Closed

pins 2 & 3 closed

66iMHz

Open

pins 1 & 2 closed

CPU VOLTAGE CONFIGURATION

Voltage

JP35

JP36

 

3.3v

pins 2 & 3 closed

pins 2 & 3 closed

»

5.0v

pins 1 & 2 closed

pins 1 & 2 closed

GREEN PC INTERRUPT CONFIGURATION

IRQ

JP1

 

IRQ5

pins 1 & 2 closed

 

IRQ9

pins 3 & 4 closed

»

IRQ14

pins 5 & 6 closed

GREEN PC INTERRUPT CONFIGURATION

IRQ

JP6

 

IRQ7

pins 1 & 2 closed

 

IRQ10

pins 3 & 4 closed

»

IRQ11

pins 5 & 6 closed

PARALLEL PORT INTERRUPT/DMA REQUEST CONFIGURATION

Setting

JP5

JP8

JP10

 

DRQ1

pins 1 & 2 closed

Open

Open

»

DRQ3

pins 2 & 3 closed

Open

Open

 

DACK1

Open

pins 1 & 2 closed

Open

»

DACK3

Open

pins 2 & 3 closed

Open

 

IRQ5

Open

Open

pins 1 & 2 closed

»

IRQ7

Open

Open

pins 2 & 3 closed

PCI INTERRUPT CONFIGURATION (INT A)

IRQ

JP4

JP7

JP9

 

IRQ9

pins 1 & 2 closed

Open

Open

 

IRQ10

Open

Open

pins 1 & 2 closed

»

IRQ11

Open

pins 1 & 2 closed

Open

PCI INTERRUPT CONFIGURATION (INT B)

IRQ

JP43

 

IRQ7

pins 1 & 2 closed

»

IRQ9

pins 2 & 3 closed

PCI INTERRUPT CONFIGURATION (INT C)

IRQ

JP4

JP7

JP9

 

IRQ9

pins 2 & 3 closed

Open

Open

»

IRQ10

Open

Open

pins 2 & 3 closed

 

IRQ11

Open

pins 2 & 3 closed

Open