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PC 3100

DIGITAL EQUIPMENT CORPORATION

PC 3100

Device Type

Mainboard

Processor

AM K5/AM K6/Pentium

Processor Speed

90/120/133/150/166/200/233/266/300/333/366MHz

Chip Set

Intel

Video Chip Set

S3

Maximum Onboard Memory

256MB (SDRAM supported)

Maximum Video Memory

4MB

Cache

256/512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options (mainboard)

Ethernet 10BaseT connector, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, USB connectors (2), VRM connector

I/O Options (backplane)

IDE interfaces (2), floppy drive interface, audio in – CD-ROM, fax/modem connector 32-bit PCI slots (2 or 3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port

CN1

Ethernet 10BaseT connector

CN6

VGA port

CN2

Parallel port

CN7

USB connector

CN3

VGA feature connector

CN8

USB connector

CN4

VRM connector

VRM

PS/2 mouse port

CN5

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Password normal operation

SW1/2

Off

 

Password clear

SW1/2

On

»

BIOS normal operation

SW1/3

Off

 

BIOS recovery mode

SW1/3

On

»

CMOS memory normal operation

SW1/4

Off

 

CMOS memory clear

SW1/4

On

»

BIOS write disabled

SW1/5

Off

 

BIOS write enabled

SW1/5

On

DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

16MB

(1) 2M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

24MB

(1) 2M x 64

(1) 1M x 64

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

40MB

(1) 4M x 64

(1) 1M x 64

None

40MB

(1) 2M x 64

(1) 2M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

56MB

(1) 4M x 64

(1) 2M x 64

(1) 1M x 64

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

64MB

(1) 4M x 64

(1) 4M x 64

None

72MB

(1) 8M x 64

(1) 1M x 64

None

72MB

(1) 4M x 64

(1) 4M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

None

80MB

(1) 4M x 64

(1) 4M x 64

(1) 2M x 64

88MB

(1) 8M x 64

(1) 2M x 64

(1) 1M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

104MB

(1) 8M x 64

(1) 4M x 64

(1) 1M x 64

112MB

(1) 8M x 64

(1) 4M x 64

(1) 2M x 64

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

136MB

(1) 16M x 64

(1) 1M x 64

None

136MB

(1) 8M x 64

(1) 8M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

None

144MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

152MB

(1) 16M x 64

(1) 2M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

None

160MB

(1) 8M x 64

(1) 8M x 64

(1) 4M x 64

168MB

(1) 16M x 64

(1) 4M x 64

(1) 1M x 64

176MB

(1) 16M x 64

(1) 4M x 64

(1) 2M x 64

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

200MB

(1) 16M x 64

(1) 8M x 64

(1) 1M x 64

208MB

(1) 16M x 64

(1) 8M x 64

(1) 2M x 64

224MB

(1) 16M x 64

(1) 8M x 64

(1) 4M x 64

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

VIDEO MEMORY CONFIGURATION

Note: 2MB video memory is factory installed and is not configurable. To increase to 4MB, install upgrade module at CN9.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/6

SW1/7

SW1/8

90MHz

60MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

Off

Off

On

Off

133MHz

66MHz

2x

On

Off

On

Off

150MHz

60MHz

2.5x

Off

Off

On

On

166MHz

66MHz

2.5x

On

Off

On

On

200MHz

66MHz

3x

On

Off

Off

On

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/6

SW1/7

SW1/8

166MHz

66MHz

2.5x

On

Off

On

On

200MHz

66MHz

3x

On

Off

Off

On

233MHz

66MHz

3.5x

On

Off

Off

Off

266MHz

66MHz

4x

On

On

On

Off

300MHz

66MHz

4.5x

On

On

On

On

333MHz

66MHz

5x

On

On

Off

On

366MHz

66MHz

5.5x

On

On

Off

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/6

SW1/7

SW1/8

90MHz

60MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

Off

Off

On

Off

133MHz

66MHz

2x

On

Off

On

Off

150MHz

60MHz

2.5x

Off

Off

On

On

166MHz

66MHz

2.5x

On

Off

On

On

200MHz

66MHz

3x

On

Off

Off

On

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/6

SW1/7

SW1/8

166MHz

66MHz

2.5x

On

Off

On

On

200MHz

66MHz

3x

On

Off

Off

On

233MHz

66MHz

3.5x

On

Off

Off

Off

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface 1

CN1

Control panel connector

CN7

IDE interface 2

CN2

Chassis fan power

CN8

Floppy drive interface

CN3

SCSI interface LED

CN9

Audio rear panel connector

CN4

Micro switch connector

CN10

Audio in – CD-ROM

CN5

Main logic board connector

CN11

Fax/modem connector

CN6

32-bit PCI slots

PC1 – PC2

Note: A power connector is located on the reverse side of this card.

CONNECTIONS

Purpose

Location

Purpose

Location

Micro switch connector

CN1

Control panel connector

CN7

IDE interface 1

CN2

Fax/modem connector

CN8

IDE interface 2

CN3

Audio in – CD-ROM

CN9

Floppy drive interface

CN4

Audio rear panel connector

CN10

SCSI interface LED

CN5

Main logic board connector

CN11

Chassis fan power

CN6

32-bit PCI slots

PC1 – PC3