HwMuseum | Index

AMPRO COMPUTERS, INC.

LITTLE BOARD/P5I

Processor

Pentium

Processor Speed

100/133/166MHz

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

1MB

Cache

256KB

BIOS

Award

Dimensions

203mm x 146mm

I/O Options

PCI bus slot, Ethernet 10BaseT connector, AUI connector, floppy drive interface, IDE interface, SCSI interface, parallel port, serial ports (4), VGA interface, VEE power supply, flat panel connector, external video overlay, PC/104 connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Flat panel connector

J3

IDE interface

J12

VEE power supply

J4

Serial port 3 & 4

J13

VGA interface

J5

Floppy drive interface

J14

External video overlay

J6

Parallel port

J15

Ethernet 10BaseT connector

J7

Utility/keyboard connector

J16

AUI connector

J8

IDE extension

J17

SCSI-interface

J9

PCI bus slot

J21

DC power

J10

PC/104 connector

P18

Serial port 1 & 2

J11

PC/104 connector

P20

Note: Alternate external LAN media are , such as 10Base2 are available by means of AUI interface & optional MAUs.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J20

Unidentified

 

Negative vee enabled

W1

Pins 1 & 2 closed

 

Negative vee disabled

W1

Pins 2 & 3 closed

»

Factory configured - do not alter

W8

Unidentified

»

Factory configured - do not alter

W9

Unidentified

»

Factory configured - do not alter

W10

Unidentified

»

Factory configured - do not alter

W11

Unidentified

»

Factory configured - do not alter

W12

Unidentified

»

Factory configured - do not alter

W13

Unidentified

»

Factory configured - do not alter

W14

Unidentified

»

Factory configured - do not alter

W16

Unidentified

 

SCSI interface enabled

W17

Pins 1 & 2 closed

 

SCSI interface disabled

W17

Pins 2 & 3 closed

»

Factory configured - do not alter

W20

Unidentified

»

Factory configured - do not alter

W22

Unidentified

»

Data valid select high to low transition

W23

Pins 1 & 2 closed

 

Data valid select low to high transition

W23

Pins 2 & 3 closed

 

Watch dog timer select IOCHK

W24

Pins 1 & 2 closed

 

Watch dog timer select RESET

W24

Pins 2 & 3 closed

 

Watch dog timer disabled

W24

Open

DRAM CONFIGURATION

Size

Bank 0

8MB

(2) 1M x 36

16MB

(2) 2M x 36

32MB

(2) 4M x 36

64MB

(2) 8M x 36

128MB

(2) 16M x 36

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

CACHE CONFIGURATION

Note: The location of the 256KB cache is unidentified.

VIDEO MEMORY CONFIGURATION

Note: The location of the 512KB/1MB video memory is unidentified.

DMA CHANNEL SELECTION

Channel

W18

W19

1

Pins 1 & 2 closed

Pins 1 & 2 closed

3

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

W4

W6

IRQ4 shared with serial 1

Pins 1 & 2 closed

Open

IRQ4 not shared

Pins 2 & 3 closed

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

W5

W7

IRQ3 shared with serial 2

Pins 1 & 2 closed

Open

IRQ3 not shared

Pins 2 & 3 closed

Closed

BIOS SELECTION (EPROM)

Type

W2

W15

W21

27C64

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11

1 & 2

27C128

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11

1 & 2

27C256

Open

9 & 12, 14 & 15

1 & 2

27C512

Open

9 & 12, 10 & 11, 14 & 15

1 & 2

27C010

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11

1 & 2

27C020

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

27C040

Open

2 & 5, 4 & 7, 9 & 12, 10 & 11, 13 & 14

1 & 2

27C080

Open

4 & 7, 5 & 6, 9 & 12, 10 & 11, 13 & 14

1 & 2

28C64

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11

1 & 2

Note: Pins designated should be in the closed position.

BIOS SELECTION (FLASH BIOS)

Type

W2

W15

W21

29C256

Open

8 & 11, 9 & 12, 14 & 15

1 & 2

28C256

Open

8 & 9, 11 & 12, 14 & 15

1 & 2

29F512

Open

4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

29F010

Open

4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

29F020

Open

4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

29F040

Open

4 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

28F512

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

28F010

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

28F020

Open

2 & 5, 7 & 8, 9 & 12, 10 & 11, 13 & 14

1 & 2

Note: Pins designated should be in the closed position.

BIOS SELECTION (SRAM & NOVRAM)

Type

W2

W15

W21

BQ4013Y

Closed

7 & 10, 8 & 9, 11 & 12, 14 & 15

2 & 3

BQ4015Y

Closed

4 & 5, 7 & 10, 8 & 9, 11 & 12, 13 & 14

2 & 3

43256

Closed

7 & 10, 8 & 9, 11 & 12, 14 & 15

2 & 3

DS1235Y

Closed

7 & 10, 8 & 9, 11 & 12, 14 & 15

2 & 3

DS1650Y

Closed

4 & 5, 7 & 10, 8 & 9, 11 & 12, 13 & 14

2 & 3

628128

Closed

7 & 10, 8 & 9, 11 & 12, 14 & 15

2 & 3

628512

Closed

4 & 5, 7 & 10, 8 & 9, 11 & 12, 13 & 14

2 & 3

Note: Pins designated should be in the closed position.