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PB300/PB320 (REV. B)

PACKARD BELL

PB300/PB320 (REV. B)

Processor

80386SX

Processor Speed

25MHz

Chip Set

ACC

Max. onboard DRAM

5MB

Cache

None

BIOS

Phoenix

Dimensions

230mm x 220mm

I/O Options

Fax/modem daughterboard, floppy drive interface, game port, IDE interface, parallel port, PS/2 keyboard port, PS/2 mouse port, serial port, VGA port

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JBT

Parallel port

JLPT

Serial port

JCOM2

Proprietary modem daughterboard

JMOD

Floppy drive interface

JFDD

PS/2 keyboard

JPKB

Game port

JGAM

PS/2 mouse

JPMS

IDE interface

JHDD

VGA port

JVGA

IDE interface LED

JHDI

Riser card

S1

Front panel connector

JIND

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Onboard floppy drive interface enabled

JFDC

pins 1 & 2 closed

 

Onboard floppy drive interface disabled

JFDC

pins 2 & 3 closed

Onboard Game port disabled

JGAMS

pins 1 & 2 closed

 

Onboard Game port enabled

JGAMS

pins 2 & 3 closed

Onboard IDE interface enabled

JHDC

pins 1 & 2 closed

 

Onboard IDE interface disabled

JHDC

pins 2 & 3 closed

PS/2 mouse port enabled (IRQ12)

JMRQ

Closed

 

PS/2 mouse port disabled

JMRQ

Open

Pipeline mode disabled

JPIP

Open

 

Pipeline mode enabled

JPIP

Closed

Monitor type select color

JVD

pins 2 & 3 closed

 

Monitor type select monochrome

JVD

pins 1 & 2 closed

ONBOARD VIDEO CONFIGURATION

Onboard Video

IRQ

JVGAS

JVRQ

Enabled

IRQ9

pins 1 & 2 closed

Closed

 

Enabled

None

pins 1 & 2 closed

Open

 

Disabled

N/A

pins 2 & 3 closed

N/A

SERIAL PORT CONFIGURATION

Modem (JMOD)

Port B (JCOM2)

ISA Modem

JC13

JC24

JMOD

Disabled

COM2

None

N/A

pins 1 & 2

Closed

Disabled

COM2

COM1

pins 2 & 3

pins 1 & 2

Closed

Disabled

COM2

COM3

pins 1 & 2

pins 1 & 2

Closed

COM1

COM2

None

pins 1 & 2

pins 1 & 2

Daughterboard

COM3

COM2

None

pins 2 & 3

pins 1 & 2

Daughterboard

Disabled

COM4

None

N/A

pins 2 & 3

Closed

Disabled

COM4

COM1

pins 2 & 3

pins 2 & 3

Closed

Disabled

COM4

COM3

pins 1 & 2

pins 2 & 3

Closed

COM1

COM4

None

pins 1 & 2

pins 2 & 3

Daughterboard

COM3

COM4

None

pins 2 & 3

pins 2 & 3

Daughterboard

Note: JMOD is closed using a special jumper, JMODJ, that connects pins 10 and 11. Permanent damage to the board will occur if the JMODJ jumper is installed improperly.

Pins designated should be in the closed position.

PARALLEL PORT CONFIGURATION

LPT

IRQ

JLPS

JLRQ

LPT1

IRQ7

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT1

IRQ5

pins 1 & 2 closed

pins 1 & 2 closed

 

LPT2

IRQ7

pins 2 & 3 closed

pins 2 & 3 closed

 

LPT2

IRQ5

pins 2 & 3 closed

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

2.5MB

(2) 1M x 9

(2) 256K x 9

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

12MB

(2) 4M x 9

(2) 1M x 9

16MB

(2) 4M x 9

(2) 4M x 9

Note:256K x 9 SIMMs may not be supported on certain boards. Board contains traces for additional SIMM banks. Additional SIMM sockets will not function if installed. A few boards had all 8 SIMM sockets factory installed, in which case BANKS 2 & 3 are non-functional.