CSS LABORATORIES, INC.

MB-6863

Processor

Pentium Pro

Processor Speed

180/200/266MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

512MB

Maximum Video Memory

None

Cache

256/512KB (located on Pentium Pro CPU)

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (5), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, VRM connectors (2), USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse/keyboard interface

J1

Speaker

J26

USB connector

J2

Chassis fan power

JP11

USB connector

J3

IR connector

JP12

Serial port 1

J4

External battery

JP13

Serial port 2

J5

Chassis fan power

JP16

5v power

J6

Front panel connector

JP21

Parallel port

J7

Reset switch

JP22/pins 1 & 2

Floppy drive interface

J8

Turbo LED

JP22/pins 3 & 4

3.3v power

J14

Power LED & keylock

JP23

IDE interface 1

J20

32-bit PCI slots

PC1 – PC5

IDE interface 2

J21

VRM connector 1

VRM1

IDE interface LED

J25

VRM connector 2

VRM2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J19

Unidentified

»

Factory configured - do not alter (DBX EXTSMI)

JP7

Unidentified

»

Factory configured - do not alter

JP8

Unidentified

»

Factory configured - do not alter

JP17

Unidentified

»

Factory configured - do not alter

JP18

Unidentified

»

Factory configured - do not alter

JP19

Unidentified

»

ISA bus speed select /4

JP20

Pins 2 & 3 closed

 

ISA bus speed select /3

JP20

Pins 1 & 2 closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

256MB

(1) 32M x 64

None

264MB

(1) 32M x 64

(1) 1M x 64

272MB

(1) 32M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

320MB

(1) 32M x 64

(1) 8M x 64

384MB

(1) 32M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

180MHz

60MHz

3x

Closed

Open

Closed

Open

200MHz

66MHz

3x

Open

Closed

Closed

Open

266MHz

66MHz

4x

Open

Closed

Closed

Closed

CPU SPEED SELECTION (CON’T)

CPU speed

Clock speed

Multiplier

JP5

JP6

JP9

JP10

180MHz

60MHz

3x

Closed

Closed

Open

Closed

200MHz

66MHz

3x

Closed

Closed

Closed

Open

266MHz

66MHz

4x

Open

Closed

Closed

Open

FLASH BIOS SELECTION

Setting

JP14

JP15

»

Enabled

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Pins 2 & 3 closed

Pins 1 & 2 closed