80286 MOTHER BOARD Motherboard Settings and Configuration

UNIDENTIFIED

80286 MOTHER BOARD

Processor
80286
Processor Speed
12/25MHz
Chip Set
Suntac
Max. Onboard DRAM
4MB
Cache
Award/Phoenix
BIOS
Unidentified
Dimensions
330mm x 218mm
I/O Options
None
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
Speaker
J19
Turbo LED
JP5
Power LED & keylock
J20
Reset switch
JP6
External battery
J21

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
Factory configured - do not alter
DSP1/2
N/A
»
Factory configured - do not alter
DSP1/4
N/A
»
Factory configured - do not alter
J18
pins 2 & 3 closed

BIOS type select Award
JP7
pins 2 & 3 closed

BIOS type select Phoenix
JP7
pins 1 & 2 closed

Memory wait state select 0 wait states
JP11
Closed

Memory wait state select 1 wait state
JP11
Open

Monitor type select color
SW1
pins 2 & 3 closed

Monitor type select monochrome
SW1
pins 1 & 2 closed
Note: The location of J18 is unidentified.

DRAM CONFIGURATION
Mode
Size
Base memory
EMS
Bank 0
Bank 1
0
512KB
512KB
N/A
(18) 41256
NONE
1
640KB
640KB
N/A
(18) 41256
(18) 4164
2
1MB
1MB
N/A
(18) 41256
(18) 41256
3
1MB
640KB
384KB
(18) 41256
(18) 41256
4
2MB
2MB
N/A
(18) 411000
NONE
5
2MB
640KB
1408KB
(18) 411000
NONE
6
4MB
4MB
N/A
(18) 411000
(18) 411000
7
4MB
640KB
3456KB
(18) 411000
(18) 411000

DRAM SWITCH CONFIGURATION
Mode
DSP1/6
DSP1/7
DSP1/8
0
On
On
On
1
On
On
Off
2
On
Off
On
3
On
Off
Off
4
Off
On
On
5
Off
On
Off
6
Off
Off
On
7
Off
Off
Off

DRAM MODE CONFIGURATION
Setting
JP8
Mode changes external
Closed
Mode changes internal
Open

CLOCK SPEED CONFIGURATION
Setting
DSP1/1
JP1
JP4
High speed (internal)
Off
pins 2 & 3 closed
N/A
Low speed (internal)
On
pins 2 & 3 closed
N/A
High speed (external)
N/A
pins 1 & 2 closed
Closed
Low speed (external)
N/A
pins 1 & 2 closed
Open
Note: If JP4 is open, speed can be switched through the keyboard. High speed: CNTL, ALT, 2. Low speed: CNTL, ALT, 1. (Award BIOS only)

I/O WAIT STATE CONFIGURATION
Wait states
JP3
DSP1/3
4
pins 2 & 3 closed
On
6
pins 2 & 3 closed
Off
6
pins 1 & 2 closed
N/A
Note: The location of JP3 is unidentified.

BIOS CONFIGURATION
Type
JP9
DSP1/5
27128
pins 1 & 2 closed
On
27256
pins 2 & 3 closed
Off
Note: The location of JP9 is unidentified.

Headaches Begone! A Systemic Approach To Healing Your Headaches

Don't Let Your Bike Seat Ruin Your Sex Life Book

80286 MOTHER BOARD Motherboard Settings and Configuration

Search

My Books

Discover

Processor	80286
Processor Speed	12/25MHz
Chip Set	Suntac
Max. Onboard DRAM	4MB
Cache	Award/Phoenix
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J19	Turbo LED	JP5
Power LED & keylock	J20	Reset switch	JP6
External battery	J21

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	DSP1/2	N/A
»	Factory configured - do not alter	DSP1/4	N/A
»	Factory configured - do not alter	J18	pins 2 & 3 closed
	BIOS type select Award	JP7	pins 2 & 3 closed
	BIOS type select Phoenix	JP7	pins 1 & 2 closed
	Memory wait state select 0 wait states	JP11	Closed
	Memory wait state select 1 wait state	JP11	Open
	Monitor type select color	SW1	pins 2 & 3 closed
	Monitor type select monochrome	SW1	pins 1 & 2 closed
Note: The location of J18 is unidentified.

DRAM CONFIGURATION
Mode	Size	Base memory	EMS	Bank 0	Bank 1
0	512KB	512KB	N/A	(18) 41256	NONE
1	640KB	640KB	N/A	(18) 41256	(18) 4164
2	1MB	1MB	N/A	(18) 41256	(18) 41256
3	1MB	640KB	384KB	(18) 41256	(18) 41256
4	2MB	2MB	N/A	(18) 411000	NONE
5	2MB	640KB	1408KB	(18) 411000	NONE
6	4MB	4MB	N/A	(18) 411000	(18) 411000
7	4MB	640KB	3456KB	(18) 411000	(18) 411000

DRAM SWITCH CONFIGURATION
Mode	DSP1/6	DSP1/7	DSP1/8
0	On	On	On
1	On	On	Off
2	On	Off	On
3	On	Off	Off
4	Off	On	On
5	Off	On	Off
6	Off	Off	On
7	Off	Off	Off

DRAM MODE CONFIGURATION
Setting	JP8
Mode changes external	Closed
Mode changes internal	Open

CLOCK SPEED CONFIGURATION
Setting	DSP1/1	JP1	JP4
High speed (internal)	Off	pins 2 & 3 closed	N/A
Low speed (internal)	On	pins 2 & 3 closed	N/A
High speed (external)	N/A	pins 1 & 2 closed	Closed
Low speed (external)	N/A	pins 1 & 2 closed	Open
Note: If JP4 is open, speed can be switched through the keyboard. High speed: CNTL, ALT, 2. Low speed: CNTL, ALT, 1. (Award BIOS only)

I/O WAIT STATE CONFIGURATION
Wait states	JP3	DSP1/3
4	pins 2 & 3 closed	On
6	pins 2 & 3 closed	Off
6	pins 1 & 2 closed	N/A
Note: The location of JP3 is unidentified.

BIOS CONFIGURATION
Type	JP9	DSP1/5
27128	pins 1 & 2 closed	On
27256	pins 2 & 3 closed	Off
Note: The location of JP9 is unidentified.