ELT-286B-160G Motherboard Settings and Configuration

UNIDENTIFIED

ELT-286B-160G

Processor
80286
Processor Speed
16MHz
Chip Set
G-2
Max. Onboard DRAM
8MB
Cache
None
BIOS
AMI/Phoenix
Dimensions
220mm x 220mm
I/O Options
None
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
Turbo LED
J5
External battery
J24
Power LED & keylock
J18
Turbo switch
J25
Speaker
J19
Reset switch
J30
Note:DRAM chip location and orientation on board is unidentified.

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
NPU mode select synchronous with CPU
JNP
pins 1 & 2 closed

NPU mode select asynchronous with CPU
JNP
pins 2 & 3 closed
»
Factory configured - do not alter
JP3
pins 1 & 2 closed
»
BIOS type select 27256
JP9
pins 2 & 3 closed

BIOS type select 27128
JP9
pins 1 & 2 closed
»
CPU speed select switchable from keyboard
J25
Open

CPU speed select fast
J25
Closed
»
Monitor type select color
SW1/1
On

Monitor type select monochrome
SW1/1
Off
»
Factory test disabled (AMI BIOS only)
SW1/2
Off

Factory test enabled (AMI BIOS only)
SW1/2
On

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
512KB 2
(16) 41256
NONE
NONE
NONE
512KB 1
NONE
NONE
(2) 256K x 9
NONE
1MB 2
(16) 41256
(16) 41256
NONE
NONE
1MB 1
NONE
NONE
(2) 256K x 9
(2) 256K x 9
1.5MB 2
(16) 41256
(16) 41256
(2) 256K x 9
NONE
2MB 2
(16) 41256
(16) 41256
(2) 256K x 9
(2) 256K x 9
2MB 2
(16) 411000
NONE
NONE
NONE
2MB 1
NONE
NONE
(1)1M x 9
NONE
4MB 2
(16) 411000
(16) 411000
NONE
NONE
4MB 1
NONE
NONE
(1)1M x 9
(1)1M x 9
5MB 2
(16) 41256
(16) 41256
(1)1M x 9
(1)1M x 9
5MB 2
(16) 411000
(16) 411000
(2) 256K x 9
(2) 256K x 9
6MB 2
(16) 411000
(16) 411000
(1)1M x 9
NONE
8MB 2
(16) 411000
(16) 411000
(1)1M x 9
(1)1M x 9

DRAM SWITCH CONFIGURATION
Size
SW1/3
SW1/4
SW1/5
SW1/6
512KB 2
Off
Off
Off
Off
512KB 1
Off
Off
Off
Off
1MB 2
On
Off
Off
Off
1MB 1
On
Off
Off
Off
1.5MB 2
Off
On
Off
Off
2MB 2
On
On
Off
Off
2MB 2
Off
Off
On
Off
2MB 1
Off
Off
On
Off
4MB 2
On
Off
On
Off
4MB 1
On
Off
On
Off
5MB 2
On
On
Off
Off
5MB 2
On
On
On
Off
6MB 2
Off
Off
On
Off
8MB 2
On
On
On
Off

DRAM SWITCH CONFIGURATION
Size
JP1
JP2
JP3
JP5
JP6
JP7
JP8
512KB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
512KB 1
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1MB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
1MB 1
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1.5MB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
2MB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
2MB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
2MB 1
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
4MB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
4MB 1
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
5MB 2
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
5MB 2
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
6MB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
8MB 2
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3

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ELT-286B-160G Motherboard Settings and Configuration

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Processor	80286
Processor Speed	16MHz
Chip Set	G-2
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI/Phoenix
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	J5	External battery	J24
Power LED & keylock	J18	Turbo switch	J25
Speaker	J19	Reset switch	J30
Note:DRAM chip location and orientation on board is unidentified.

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	NPU mode select synchronous with CPU	JNP	pins 1 & 2 closed
	NPU mode select asynchronous with CPU	JNP	pins 2 & 3 closed
»	Factory configured - do not alter	JP3	pins 1 & 2 closed
»	BIOS type select 27256	JP9	pins 2 & 3 closed
	BIOS type select 27128	JP9	pins 1 & 2 closed
»	CPU speed select switchable from keyboard	J25	Open
	CPU speed select fast	J25	Closed
»	Monitor type select color	SW1/1	On
	Monitor type select monochrome	SW1/1	Off
»	Factory test disabled (AMI BIOS only)	SW1/2	Off
	Factory test enabled (AMI BIOS only)	SW1/2	On

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB 2	(16) 41256	NONE	NONE	NONE
512KB 1	NONE	NONE	(2) 256K x 9	NONE
1MB 2	(16) 41256	(16) 41256	NONE	NONE
1MB 1	NONE	NONE	(2) 256K x 9	(2) 256K x 9
1.5MB 2	(16) 41256	(16) 41256	(2) 256K x 9	NONE
2MB 2	(16) 41256	(16) 41256	(2) 256K x 9	(2) 256K x 9
2MB 2	(16) 411000	NONE	NONE	NONE
2MB 1	NONE	NONE	(1)1M x 9	NONE
4MB 2	(16) 411000	(16) 411000	NONE	NONE
4MB 1	NONE	NONE	(1)1M x 9	(1)1M x 9
5MB 2	(16) 41256	(16) 41256	(1)1M x 9	(1)1M x 9
5MB 2	(16) 411000	(16) 411000	(2) 256K x 9	(2) 256K x 9
6MB 2	(16) 411000	(16) 411000	(1)1M x 9	NONE
8MB 2	(16) 411000	(16) 411000	(1)1M x 9	(1)1M x 9

DRAM SWITCH CONFIGURATION
Size	SW1/3	SW1/4	SW1/5	SW1/6
512KB 2	Off	Off	Off	Off
512KB 1	Off	Off	Off	Off
1MB 2	On	Off	Off	Off
1MB 1	On	Off	Off	Off
1.5MB 2	Off	On	Off	Off
2MB 2	On	On	Off	Off
2MB 2	Off	Off	On	Off
2MB 1	Off	Off	On	Off
4MB 2	On	Off	On	Off
4MB 1	On	Off	On	Off
5MB 2	On	On	Off	Off
5MB 2	On	On	On	Off
6MB 2	Off	Off	On	Off
8MB 2	On	On	On	Off

DRAM SWITCH CONFIGURATION
Size	JP1	JP2	JP3	JP5	JP6	JP7	JP8
512KB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
512KB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
1MB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
1MB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
1.5MB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
2MB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
2MB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
2MB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
4MB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
4MB 1	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
5MB 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
5MB 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
6MB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
8MB 2	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3