CSS LABORATORIES, INC.

PREFERRED TR SYSTEMS, MAXPRO MT TR SYSTEMS, PRORACK TR SYSTEMS, MB-5864

Processor

Pentium

Processor Speed

75/90/100/120/133/150/166MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

256/512KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

J4

Turbo LED

J99 pins 3 & 4

Power LED & keylock

J32

IDE interface LED

J100

PCI IDE interface LED

J34

Front panel connector

J101

Speaker

J39

External battery

J106

IDE interface 1

J70

IR connector

J107

IDE interface 2

J71

Green PC connector (monitor)

MON

PS/2 mouse interface

J86

32-bit PCI slots

PC1 - PC4

Serial port 2

J96

Internal temperature sensor

SEN1

Serial port 1

J97

Internal temperature sensor

SEN2

Parallel port

J98

Cache slot

SL1

Reset switch

J99 pins 1 & 2

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Pipeline enabled

JP16

Closed

 

Pipeline disabled

JP16

Open

»

CMOS memory normal operation

JP20

Open

 

CMOS memory clear

JP20

Closed

»

Password normal operation

JP21

Open

 

Password clear

JP21

Closed

»

Factory configured - do not alter

JP22

N/A

»

Factory configured - do not alter

JP27

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 32

NONE

8MB

(2) 512K x 32

(2) 512K x 32

10MB

(2) 1M x 32

(2) 256K x 32

10MB

(2) 256K x 32

(2) 1M x 32

12MB

(2) 1M x 32

(2) 512K x 32

12MB

(2) 512K x 32

(2) 1M x 32

16MB

(2) 2M x 32

NONE

16MB

(2) 1M x 32

(2) 1M x 32

18MB

(2) 2M x 32

(2) 256K x 32

18MB

(2) 256K x 32

(2) 2M x 32

20MB

(2) 2M x 32

(2) 512K x 32

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

20MB

(2) 512K x 32

(2) 2M x 32

24MB

(2) 2M x 32

(2) 1M x 32

24MB

(2) 1M x 32

(2) 2M x 32

32MB

(2) 4M x 32

NONE

32MB

(2) 2M x 32

(2) 2M x 32

34MB

(2) 4M x 32

(2) 256K x 32

34MB

(2) 256K x 32

(2) 4M x 32

36MB

(2) 4M x 32

(2) 512K x 32

36MB

(2) 512K x 32

(2) 4M x 32

40MB

(2) 4M x 32

(2) 1M x 32

40MB

(2) 1M x 32

(2) 4M x 32

48MB

(2) 4M x 32

(2) 2M x 32

48MB

(2) 2M x 32

(2) 4M x 32

64MB

(2) 8M x 32

NONE

64MB

(2) 4M x 32

(2) 4M x 32

66MB

(2) 8M x 32

(2) 256K x 32

66MB

(2) 256K x 32

(2) 8M x 32

68MB

(2) 8M x 32

(2) 512K x 32

68MB

(2) 512K x 32

(2) 8M x 32

72MB

(2) 8M x 32

(2) 1M x 32

72MB

(2) 1M x 32

(2) 8M x 32

80MB

(2) 8M x 32

(2) 2M x 32

80MB

(2) 2M x 32

(2) 8M x 32

96MB

(2) 8M x 32

(2) 4M x 32

96MB

(2) 4M x 32

(2) 8M x 32

128MB

(2) 8M x 32

(2) 8M x 32

CACHE CONFIGURATION

Size

SL1

256KB

Installed

512KB

Installed

CACHE JUMPER CONFIGURATION

Size

JP12

JP13

None

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 1 & 2 closed

512KB

pins 1 & 2 closed

pins 2 & 3 closed

CACHE JUMPER CONFIGURATION

Type

JP10

JP11

Asynchronous

pins 2 & 3 closed

pins 1 & 2 closed

Burst

pins 1 & 2 closed

pins 2 & 3 closed

Pipeline burst

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP1

JP2

JP15

JP28

JP108

75MHz

2 & 3

2 & 3

Open

1 & 2

1 & 2

90MHz

1 & 2

2 & 3

Open

1 & 2

2 & 3

100MHz

2 & 3

1 & 2

Open

1 & 2

2 & 3

120MHz

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

133MHz

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

150MHz

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

166MHz

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

BIOS CONFIGURATION

Setting

JP17

JP18

JP19

EPROM

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

Flash normal

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Flash programming

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

FLASH BIOS CONFIGURATION

Setting

JP14

JP26

Green PC enabled

Open

Open

Green PC disabled

Closed

Closed

Note: JP14 may not be present on all boards.