BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-8575/90/00URC

Processor

Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

Green PC connector, IDE interfaces (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface 2

CN2

Turbo switch

JP15 pins 14 - 16

IDE interface 1

CN1

+5v ground

JP15 pins 17 - 18

Speaker

JP15 pins 1 - 4

Green PC connector

JP16

Power LED & keylock

JP15 pins 5 - 9

IDE interface LED

JP18

Turbo LED

JP15 pins 10 - 11

Chassis fan power

JP19

Reset switch

JP15 pins 12 - 13

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP3

Open

 

CMOS memory clear

JP3

Closed

»

BIOS type select 5v flash BIOS

JP17

pins 1 & 2 closed

 

BIOS type select 12v flash BIOS

JP17

pins 2 & 3 closed

 

BIOS type select EPROM

JP17

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

NONE

16MB

(2) 2M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP11

JP12

256KB

Open

Open

512KB

Closed

Open

1MB

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JP9

JP13

JP14

75MHz

pins 1 & 2 closed

Open

Open

90MHz

pins 3 & 4 closed

Open

Open

100MHz

pins 1 & 2, 5 & 6 closed

Open

Open

120MHz

pins 3 & 4 closed

Open

Closed

133MHz

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

Open

Closed

Note: JP13 is located on revision 2 and above.

CPU VOLTAGE CONFIGURATION

Voltage

JP20

3.5v

pins 1 & 2 closed

3.45v

pins 2 & 3 closed