GIGA-BYTE TECHNOLOGY CO., LTD.

GA-586AM

Processor

CXM1/Pentium

Processor Speed

75/90/100/120/133/150MHz

Chip Set

UMC

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

280mm x 220mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN3

External battery

J10

Serial port 2

CN5

Chassis fan power

J14

Floppy drive interface

CN6

Green PC connector

JP19

Parallel port

CN7

Speaker

JP20

IDE interface 2

CN8

Reset switch

JP21

IDE interface 1

CN9

Turbo switch

JP22

Power LED & keylock

CN12

32-bit PCI slots

PC1 - PC4

IDE interface LED

J8

Cache slot

SL1

Green PC/turbo LED

J9

   

Note: The location of pin 1 on CN6 - CN9 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

J10

pins 2 & 3 closed

 

CMOS memory clear

J10

Open

 

Battery type select external

J10

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 512K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 256K x 36

(2) 512K x 36

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 1M x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

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) 2M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

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) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 256K x 36

(2) 4M x 36

34MB

(2) 4M x 36

(2) 256K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

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

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

TAG

SL1

256KB (A)

(8) 32K x 8

(1) 8K or (1) 32K x 8

Not installed

256KB (B)

NONE

(1) 8K or (1) 32K x 8

Installed

512KB (A)

(8) 64K x 8

(1) 16K or (1) 32K x 8

Not installed

512KB (B)

NONE

(1) 16K or (1) 32K x 8

Installed

1MB

(8) 128K x 8

(1) 32K x 8

Not installed

CACHE JUMPER CONFIGURATION

Size

JP15

256KB (A)

Open

256KB (B)

Open

512KB (A)

pins 3 & 4 closed

512KB (B)

pins 3 & 4 closed

1MB

pins 1 & 2, 3 & 4 closed

CPU TYPE CONFIGURATION

Type

JP12

CXM1

Closed

Pentium

Open

CPU SPEED CONFIGURATION

Speed

JP5

JP11

75MHz

pins 1 & 2 closed

Open

90MHz

pins 3 & 4 closed

Open

100MHz

pins 1 & 2, 5 & 6 closed

Open

120MHz

pins 3 & 4 closed

pins 1 & 2 closed

133MHz

pins 1 & 2, 5 & 6 closed

pins 1 & 2, 3 & 4 closed

150MHz

pins 3 & 4 closed

pins 1 & 2 closed