GRAFIKA 3A Motherboard Settings and Configuration

DTK COMPUTER, INC.

GRAFIKA 3A

Processor
80386SX
Processor Speed
20MHz
Chip Set
C & T
Max. Onboard DRAM
5MB
Cache
None
BIOS
DTK
Dimensions
330mm x 218mm
I/O Options
None
NPU Options
80387SX

CONNECTIONS
Purpose
Location
Purpose
Location
CPU frequency connector
J1
Turbo LED
J5
Power LED & keylock
J2
Reset switch
J6
Turbo switch
J3
External battery
J7
Speaker
J4

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
BIOS type select 27256
W7
pins 1 & 2 closed

BIOS type select 27128
W7
pins 2 & 3 closed
»
Pipeline mode enabled
W8
pins 2 & 3 closed

Pipeline mode disabled
W8
pins 1 & 2 closed
»
NPU disabled
W9
pins 2 & 3 closed

NPU enabled
W9
pins 1 & 2 closed
»
Power good signal detect from power supply
W11
pins 2 & 3 closed

Power good signal detect from board
W11
pins 1 & 2 closed
»
Monitor type select monochrome
W12
pins 1 & 2 closed

Monitor type select color
W12
pins 2 & 3 closed
»
Battery type select external
W13
pins 1 & 2 closed

Battery type select internal
W13
pins 2 & 3 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
640KB
(4) 44256
(2) 41256
(4) 4164
(2) 41256
NONE
NONE
1MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
NONE
NONE
1.5MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
(2) 256K x 9
NONE
2MB (A)
(4) 44256
(2) 41256
(4) 44256
(2) 41256
(2) 256K x 9
(2) 256K x 9
2MB (B)
NONE
NONE
NONE
NONE
(2) 1M x 9
NONE
3MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
(2) 1M x 9
NONE
4MB
NONE
NONE
NONE
NONE
(2) 1M x 9
(2) 1M x 9
5MB
(4) 44256
(2) 41256
(4) 44256
(2) 41256
(2) 1M x 9
(2) 1M x 9

DRAM JUMPER CONFIGURATION
Size
W1
W2
W3
W4
W5
W6
512KB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
640KB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1MB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1.5MB
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2MB (A)
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2MB (B)
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
3MB
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
4MB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
5MB
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

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GRAFIKA 3A Motherboard Settings and Configuration

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Processor	80386SX
Processor Speed	20MHz
Chip Set	C & T
Max. Onboard DRAM	5MB
Cache	None
BIOS	DTK
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
CPU frequency connector	J1	Turbo LED	J5
Power LED & keylock	J2	Reset switch	J6
Turbo switch	J3	External battery	J7
Speaker	J4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	BIOS type select 27256	W7	pins 1 & 2 closed
	BIOS type select 27128	W7	pins 2 & 3 closed
»	Pipeline mode enabled	W8	pins 2 & 3 closed
	Pipeline mode disabled	W8	pins 1 & 2 closed
»	NPU disabled	W9	pins 2 & 3 closed
	NPU enabled	W9	pins 1 & 2 closed
»	Power good signal detect from power supply	W11	pins 2 & 3 closed
	Power good signal detect from board	W11	pins 1 & 2 closed
»	Monitor type select monochrome	W12	pins 1 & 2 closed
	Monitor type select color	W12	pins 2 & 3 closed
»	Battery type select external	W13	pins 1 & 2 closed
	Battery type select internal	W13	pins 2 & 3 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
640KB	(4) 44256	(2) 41256	(4) 4164	(2) 41256	NONE	NONE
1MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	NONE	NONE
1.5MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 256K x 9	NONE
2MB (A)	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 256K x 9	(2) 256K x 9
2MB (B)	NONE	NONE	NONE	NONE	(2) 1M x 9	NONE
3MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 1M x 9	NONE
4MB	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9
5MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	(2) 1M x 9	(2) 1M x 9

DRAM JUMPER CONFIGURATION
Size	W1	W2	W3	W4	W5	W6
512KB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
640KB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
1MB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
1.5MB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
2MB (A)	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
2MB (B)	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
3MB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
4MB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
5MB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.