80286-12 TURBO Motherboard Settings and Configuration

UNIDENTIFIED

80286-12 TURBO

Processor
80286
Processor Speed
12MHz
Chip Set
Unknown
Max. Onboard DRAM
4MB
Cache
None
BIOS
AMI
Dimensions
243mm x 218mm
I/O Options
None
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J2
Reset switch
JP13
Turbo LED
JP11
Speaker
JP14
Turbo switch
JP12
Power LED & keylock
JP15

USER CONFIGURABLE SETTINGS
Function
Jumper
Position

Factory configured - do not alter
J8
N/A

Factory configured - do not alter
J9
N/A
»
NPU mode select synchronous with CPU
J10
pins 2 & 3 closed

NPU mode select asynchronous with CPU
J10
pins 1 & 2 closed
»
Monitor type select color
JP5
pins 2 & 3 closed

Monitor type select monochrome
JP5
pins 1 & 2 closed

DRAM CONFIGURATION
Size
Bank 0
P-0
Bank 1
P-1
Bank 2
Bank 3
512KB
(4) 44256
(2) 41256
NONE
NONE
NONE
NONE
512KB
NONE
NONE
NONE
NONE
(2) 256K x 9
NONE
640KB
(4) 44256
(2) 41256
(4) 4464
(2) 4164
NONE
NONE
1MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
NONE
NONE
1MB
NONE
NONE
NONE
NONE
(2) 256K x 9
(2) 256K x 9
2MB
NONE
NONE
NONE
NONE
(2) 1M x 9
NONE
4MB
NONE
NONE
NONE
NONE
(2) 1M x 9
(2) 1M x 9
Notes:Locations of Bank 0, Bank 1, P0, & P1 unidentified. Bank 0 consists of U26, U27, U31, & U32. Bank 1 consists of U35, U36, U37, & U38. P-0 consists of U41 & U42. P-1 consists of U43 & U44.

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80286-12 TURBO Motherboard Settings and Configuration

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Processor	80286
Processor Speed	12MHz
Chip Set	Unknown
Max. Onboard DRAM	4MB
Cache	None
BIOS	AMI
Dimensions	243mm x 218mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J2	Reset switch	JP13
Turbo LED	JP11	Speaker	JP14
Turbo switch	JP12	Power LED & keylock	JP15

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	Factory configured - do not alter	J8	N/A
	Factory configured - do not alter	J9	N/A
»	NPU mode select synchronous with CPU	J10	pins 2 & 3 closed
	NPU mode select asynchronous with CPU	J10	pins 1 & 2 closed
»	Monitor type select color	JP5	pins 2 & 3 closed
	Monitor type select monochrome	JP5	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	P-0	Bank 1	P-1	Bank 2	Bank 3
512KB	(4) 44256	(2) 41256	NONE	NONE	NONE	NONE
512KB	NONE	NONE	NONE	NONE	(2) 256K x 9	NONE
640KB	(4) 44256	(2) 41256	(4) 4464	(2) 4164	NONE	NONE
1MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	NONE	NONE
1MB	NONE	NONE	NONE	NONE	(2) 256K x 9	(2) 256K x 9
2MB	NONE	NONE	NONE	NONE	(2) 1M x 9	NONE
4MB	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9
Notes:Locations of Bank 0, Bank 1, P0, & P1 unidentified. Bank 0 consists of U26, U27, U31, & U32. Bank 1 consists of U35, U36, U37, & U38. P-0 consists of U41 & U42. P-1 consists of U43 & U44.