DIGITAL EQUIPMENT CORPORATION

PC 3400, PC 5400

Device Type

Mainboard

Processor

Pentium Pro

Processor Speed

150/166/180/200/210/233/240/266MHz

Chip Set

Intel

Video Chip Set

ESS

Maximum Onboard Memory

192MB (EDO supported)

Maximum Video Memory

2MB WRAM

Cache

256KB (located on Pentium Pro CPU)

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options (CPU)

Parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, VRM connector, USB connectors (2)

I/O Options (backplane)

32-bit PCI slots (2), IDE interfaces (2), floppy drive interface, game/MIDI port, parallel port, 100Base-T connector, 10Base-2 connector, audio in - CD-ROM, fax/modem connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port

CN1

PS/2 mouse port

CN6

Serial port

CN2

Parallel port

CN7

USB connector 1

CN3

VGA feature connector

CN8

USB connector 2

CN4

Video upgrade connectors

CN9

VGA port

CN5

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Boot block update disabled

J27

Pins 1 & 2 closed

 

Boot block update enabled

J27

Pins 2 & 3 closed

»

Password disabled

SW1/5

Off

 

Password enabled

SW1/5

On

»

BIOS normal operation

SW1/6

Off

 

BIOS recovery mode

SW1/6

On

»

CMOS memory normal operation

SW1/7

Off

 

CMOS memory clear

SW1/7

On

»

Factory configured - do not alter

SW1/8

On

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

(2) 2M x 36

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

(2) 4M x 36

None

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

(2) 8M x 36

None

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

128MB

(2) 16M x 36

None

None

136MB

(2) 16M x 36

(2) 1M x 36

None

144MB

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

144MB

(2) 16M x 36

(2) 2M x 36

None

160MB

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

None

192MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

None

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

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

VIDEO MEMORY CONFIGURATION

Note: 1MB video memory is factory installed and is not configurable. To increase to 2MB, install upgrade module at CN9.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

150MHz

60MHz

2.5x

Off

Off

On

On

166MHz

66MHz

2.5x

On

Off

On

On

180MHz

60MHz

3x

Off

On

Off

On

200MHz

66MHz

3x

On

On

Off

On

210MHz

60MHz

3.5x

Off

Off

Off

On

240MHz

60MHz

4x

Off

On

On

Off

233MHz

66MHz

3.5x

On

Off

Off

On

266MHz

66MHz

4x

On

On

On

Off

CONNECTIONS

Purpose

Location

Purpose

Location

Logic board connectors

CN1

SCSI interface LED

CN9

Video in connector

CN2

Game/MIDI port

CN10

IDE interface 1

CN3

Audio in – CD-ROM

CN11

IDE interface 2

CN4

Fax/modem connector

CN12

Floppy drive interface

CN5

Audio connector

CN13

100Base-T connector

CN6

Control panel connector

CN14

10Base-T/10Base-2 connector

CN7

32-bit PCI slots

PC1 – PC2

Chassis fan power

CN8