DATAEXPERT CORPORATION

EXP8051

Device Type

Mainboard

Processor

Pentium

Processor Speed

50/60/66MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256/512/1024KB

BIOS

Award, Phoenix

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), green PC connector

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP5

Reset switch

JP16

Peripheral power connector

JP12

Speaker

JP17

Green PC connector

JP13

Power LED & keylock

JP18

Front panel connector

JP14

32-bit PCI slots

PC1 – PC4

Front panel connector

JP15

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP1

Open

»

Battery type select external

JP2

Open

 

Battery type select internal

JP2

Closed

»

Power supply from board

JP3

Pins 1 & 2 closed

 

Power supply from LM 393

JP3

Pins 2 & 3 closed

»

BIOS type select EPROM

JP4

Pins 2 & 3 closed

 

BIOS type select flash

JP4

Pins 1 & 2 closed

»

Normal operation

JP6

Open

 

Delay ADS#

JP6

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

None

4MB

(2) 512K x 36

None

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 2M x 36

(2) 256K x 36

20MB

(2) 512K x 36

(2) 2M 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

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

34MB

(2) 4M x 36

(2) 256K x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

66MB

(2) 8M x 36

(2) 256K x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 8K x 8

512KB

(8) 64K x 8

(1) 32K x 8

1MB

(8) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

512KB

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

JP11

50MHz

Open

60MHz

Pins 3 & 4 closed

66MHz

Pins 1 & 2, 3 & 4 closed