PB55 SERIES/F820 SERIES SX Motherboard Settings and Configuration

PACKARD BELL

PB55 SERIES/F820 SERIES SX

(LEGEND 520SX)

Processor
80386SX
Processor Speed
20MHz
Chip Set
TI
Max. Onboard DRAM
16MB
Cache
16/32KB
BIOS
Phoenix
Dimensions
330mm x 218mm
I/O Options
Parallel port, serial ports (2), ps/2 mouse port, vga interface, floppy drive interface, IDE interface
NPU Options
80387SX

CONNECTIONS
Purpose
Location
Purpose
Location
Keyboard
J1
Speaker
JP16
PS/2 mouse port
J2
Reset switch
JP50 pin 1
Serial port 2
J3
Turbo switch
JP50 pin 2
Serial port 1
J4
Power ready
JP50 pin 3
Parallel port
J5
IDE LED
JP50 pin 4
VGA interface
J6
Turbo LED
JP50 pin 5
Floppy interface
J10
Ground
JP50 pin 6
IDE interface
J11
Keylock
JP51
External battery
JP1
Riser card
S1

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Factory configured - do not alter
JP2
N/A
»
Monitor type select color
JP3
Closed

Monitor type select monochrome
JP3
Open
»
Factory configured - do not alter
JP4
N/A
»
PS/2 mouse enabled
JP5
Closed

PS/2 mouse disabled
JP5
Open
»
800 x 600 display frequency select 60Hz V/37.8KHz H
JP7
Closed

800 x 600 display frequency select 56Hz V/35.2KHz H
JP7
Open
»
Monitor timing select multi-sync one
JP8
Closed

Monitor timing select PS/2 and others
JP8
Open
»
Video BIOS select PS/2 VGA mode
JP9
Closed

Video BIOS select AT VGA mode
JP9
Open
»
Factory configured - do not alter
JP10
N/A
»
Factory configured - do not alter
JP11
N/A
»
VGA interface enabled
JP12
Closed

VGA interface disabled
JP12
Open
»
CMOS memory normal operation
JP14
Open

CMOS memory clear
JP14
Closed
»
Speaker select internal
JP15
pins 1 & 2 closed

Speaker select external
JP15
pins 2 & 3 closed
»
Factory configured - do not alter
JP18
N/A
»
Printer port type select Centronics
JP30
Closed

Printer port type select PS/2 (bi-directional)
JP30
Open

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(2) 256K x 9
(2) 256K x 9
2MB
(2) 1M x 9
NONE
2.5MB
(2) 256K x 9
(2) 1M x 9
4MB
(2) 1M x 9
(2) 1M x 9
8MB
(2) 4M x 9
NONE
8.5MB
(2) 256K x 9
(2) 4M x 9
10MB
(2) 1M x 9
(2) 4M x 9
16MB
(2) 4M x 9
(2) 4M x 9

CACHE CONFIGURATION
Size
Bank 0
Bank 1
16KB
(2) 8K x 8
NONE
32KB
(2) 8K x 8
(2) 8K x 8
Note: Bank 0 is factory installed and is not configurable.

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PB55 SERIES/F820 SERIES SX Motherboard Settings and Configuration

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Processor	80386SX
Processor Speed	20MHz
Chip Set	TI
Max. Onboard DRAM	16MB
Cache	16/32KB
BIOS	Phoenix
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial ports (2), ps/2 mouse port, vga interface, floppy drive interface, IDE interface
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Keyboard	J1	Speaker	JP16
PS/2 mouse port	J2	Reset switch	JP50 pin 1
Serial port 2	J3	Turbo switch	JP50 pin 2
Serial port 1	J4	Power ready	JP50 pin 3
Parallel port	J5	IDE LED	JP50 pin 4
VGA interface	J6	Turbo LED	JP50 pin 5
Floppy interface	J10	Ground	JP50 pin 6
IDE interface	J11	Keylock	JP51
External battery	JP1	Riser card	S1

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP2	N/A
»	Monitor type select color	JP3	Closed
	Monitor type select monochrome	JP3	Open
»	Factory configured - do not alter	JP4	N/A
»	PS/2 mouse enabled	JP5	Closed
	PS/2 mouse disabled	JP5	Open
»	800 x 600 display frequency select 60Hz V/37.8KHz H	JP7	Closed
	800 x 600 display frequency select 56Hz V/35.2KHz H	JP7	Open
»	Monitor timing select multi-sync one	JP8	Closed
	Monitor timing select PS/2 and others	JP8	Open
»	Video BIOS select PS/2 VGA mode	JP9	Closed
	Video BIOS select AT VGA mode	JP9	Open
»	Factory configured - do not alter	JP10	N/A
»	Factory configured - do not alter	JP11	N/A
»	VGA interface enabled	JP12	Closed
	VGA interface disabled	JP12	Open
»	CMOS memory normal operation	JP14	Open
	CMOS memory clear	JP14	Closed
»	Speaker select internal	JP15	pins 1 & 2 closed
	Speaker select external	JP15	pins 2 & 3 closed
»	Factory configured - do not alter	JP18	N/A
»	Printer port type select Centronics	JP30	Closed
	Printer port type select PS/2 (bi-directional)	JP30	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE
2.5MB	(2) 256K x 9	(2) 1M x 9
4MB	(2) 1M x 9	(2) 1M x 9
8MB	(2) 4M x 9	NONE
8.5MB	(2) 256K x 9	(2) 4M x 9
10MB	(2) 1M x 9	(2) 4M x 9
16MB	(2) 4M x 9	(2) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	Bank 1
16KB	(2) 8K x 8	NONE
32KB	(2) 8K x 8	(2) 8K x 8
Note: Bank 0 is factory installed and is not configurable.