UNIDENTIFIED

MB-54VP

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

JP40

Speaker

J17

32-bit PCI slots

PC1 - PC4

Power LED & keylock

J18

Reset switch

S1

Turbo switch

JP39

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

Fast VESA bus disabled

JP3

Open

 

Fast VESA bus enabled

JP3

Closed

»

End of last T2 enabled

JP4

Open

 

Beginning of last T2 enabled

JP4

Closed

»

CMOS memory normal operation

JP6

pins 2 & 3 closed

 

CMOS memory clear

JP6

pins 1 & 2 closed

»

AT clock speed select 3 added

JP12

Open

 

AT clock speed select 0 added

JP12

Closed

»

End of first T2 enabled

JP14

Open

 

Beginning of first T2 enabled

JP14

Closed

»

Cache type select always invalidated

JP17

pins 1 & 2 closed

 

Cache type select invalidated on write through

JP17

pins 2 & 3 closed

»

Memory type select mapped I/O at top of memory

JP27

pins 2 & 3 closed

 

Memory type select 128MB on board

JP27

pins 1 & 2 closed

»

Bus core ratio select 2/3

JP32

Open

 

Bus core ratio select 1/2

JP32

Closed

»

Factory configured - do not alter

JP33

N/A

»

Factory configured - do not alter

JP37

N/A

»

Factory configured - do not alter

JP38

N/A

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

8MB

(2) 1M x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 512K x 36

(2) 1M 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

20MB

(2) 512K x 36

(2) 2M 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

34MB

(2) 256K x 36

(2) 4M x 36

36MB

(2) 512K x 36

(2) 4M 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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

64MB

(2) 4M x 36

(2) 4M x 36

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 512K x 36

(2) 8M 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 85

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

JP28

JP29

JP30

256KB

Open

Open

Closed

512KB

Open

Closed

Closed

1MB

Closed

Closed

Closed

TAG VOLTAGE CONFIGURATION

Voltage

JP2

JP18

JP23

3.3v

Closed

pins 2 & 3 closed

pins 1 & 2 closed

5v

Open

pins 1 & 2 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP19

JP20

JP22

75MHz

Open

Open

Closed

90MHz

Closed

Open

Closed

100MHz

Closed

Closed

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JP36

0 wait states

Open

1 wait state

Closed