Device Type

Mainboard

Processor

Pentium

Processor Speed

75/90/100/120/125/133/150/166/180MHz

Chip Set

Unidentified

Maximum Onboard Memory

128MB (EDO & DRAM supported)

Cache

256/512KB

BIOS

NCR

Dimensions

305mm x 244mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 keyboard port

J1

IDE interface 1

J14

PS/2 mouse port

J2

Power LED & keylock

J17

Cache slot

SL1

Speaker

J18

Serial port 1

J5

Reset switch

J19

Serial port 2

J6

Turbo LED

J22

Parallel port

J7

HDD LED

JP11

Floppy drive interface

J12

32-bit PCI slots

PC1 - PC4

IDE interface 2

J13

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J10

Reserved

»

PS/2 mouse disabled

J11

Open

»

Factory configured - do not alter

JP2

Reserved

»

Monitor type select color

JP3

Closed

»

CMOS memory normal operation

JP5

Open

»

Factory configured - do not alter

JP6

Pins 1 & 2 closed

»

Factory configured - do not alter

JP7

Pins 1 & 2 closed

»

Green mode enabled

JP8

Closed

»

Factory configured - do not alter

JP14

Pins 1 & 2 closed

»

Factory configured - do not alter

JP18

Pins 1 & 2 closed

»

Factory configured - do not alter

JP19

Pins 2 & 3 closed

»

Address pipelining enabled

JP23

Closed

»

Write back cache enabled

JP24

Open

PS/2 mouse enabled

J11

Closed

Monitor type select monochrome

JP3

Open

CMOS memory clear

JP5

Closed

Green mode disabled

JP8

Open

Address pipelining disabled

JP23

Open

Write back cache disabled

JP24

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

CPU VOLTAGE SELECTION

Voltage

J8

J9

3.3v

Closed

Open

3.45v - 3.6v

Open

Closed

ASYNC CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 16K x 8

512KB

(8) 64K x 8

(1) 32K x 8

PIPELINED BURST CACHE CONFIGURATION

Size

J3

256KB

256KB module installed

512KB

512KB module installed

SRAM TYPE SELECTION

Setting

JP1

JP29

3.3v

Closed

Open

Mixed

Open

Closed

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

CACHE JUMPER CONFIGURATION

Size

JP4

JP16

JP17

JP20

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

512KB

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU AT BUS CLOCK SELECTION

Clock

JP10

75MHz/125MHz

Pins 1 & 2 closed

Other

Pins 2 & 3 closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP12

JP13

JP21

JP22

75MHz

50MHz

1.5x

Open

Open

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Open

Open

100MHz

50MHz

2x

Open

Open

Closed

Open

100MHz

66MHz

1.5x

Closed

Closed

Open

Open

120MHz

60MHz

2x

Closed

Open

Closed

Open

133MHz

66MHz

2x

Closed

Closed

Closed

Open

150MHz

60MHz

2.5x

Closed

Open

Closed

Closed

180MHz

60MHz

3x

Closed

Closed

Open

Closed

CPU TYPE SELECTION

Type

JP25

JP26

EPROM flash

Pins 2 & 3 closed

Pins 2 & 3 closed

Flash

Pins 2 & 3 closed

Pins 1 & 2 closed