ZENITH DATA SYSTEMS, INC.

Z-SERVER EL PRO

Device Type

Mainboard

Processor

Pentium Pro

Processor Speed

150/166/180/200MHz

Chip Set

Intel 440FX

Video Chip Set

S3

Maximum Onboard Memory

256MB

Maximum Video Memory

2MB

Cache

256KB (located on the Pentium Pro CPU)

BIOS

Unidentified

Dimensions

305mm x 244mm

I/O Options

IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, USB connectors (2), line out, microphone in, audio in CD-ROM

CONNECTIONS

Purpose

Location

Purpose

Location

VGA feature connector

J1K1

PS/2 mouse port

J5N2

VGA port

J1N1

Parallel port

J7N1

IR connector

J2A1/pins 8 - 11

IDE interface 2

J8H1

IDE interface LED

J2A1/pins 15 & 16

Floppy drive interface

J8L1

Reset switch

J2A1/pins 23 & 24

Microphone in

J8N1

Keylock

J3A1

Soft off power supply

J9F1

Serial port 2

J3N1

IDE interface 1

J9H2

Serial port 1

J3N2

Audio in CD-ROM

J9N1

Chassis fan power

J4A1

Line out

J9N2

USB connector 1

J4N1

Riser slot

SL1

USB connector 2

J4N1A

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Flash write protect disabled

J4L2D

Pins 5 & 6 closed

 

Flash write protect enabled

J4L2D

Pins 4 & 5 closed

Flash recover enabled

J4L2E

Pins 1 & 2 closed

 

Flash recover disabled

J4L2E

Pins 2 & 3 closed

CMOS memory normal operation

J4L2E

Pins 5 & 6 closed

 

CMOS memory clear

J4L2E

Pins 4 & 5 closed

Password memory normal operation

J4L2F

Pins 1 & 2 closed

 

Password memory clear

J4L2F

Pins 2 & 3 closed

Setup enabled

J4L2F

Pins 5 & 6 closed

 

Setup disabled

J4L2F

Pins 4 & 5 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J4L2A

J4L2B

150MHz

60MHz

2.5x

1 & 2

4 & 5

166MHz

66MHz

2.5x

1 & 2

4 & 5

180MHz

60MHz

3x

2 & 3

5 & 6

200MHz

66MHz

3x

2 & 3

5 & 6