BABY GEMINI-386 ISA/LB Motherboard Settings and Configuration

MICRONICS COMPUTERS, INC.

BABY GEMINI-386 ISA/LB

Processor
80386DX
Processor Speed
25/33/40MHz
Chip Set
Micronics
Max. Onboard DRAM
32MB
Cache
64KB
BIOS
Phoenix
Dimensions
215mm x 337mm
I/O Options
32-bit external memory card slot, 32-bit VESA local bus slot
NPU Options
80387/3167

CONNECTIONS
Purpose
Location
Purpose
Location
External keyboard
J1
Turbo LED
W9
External battery
J11
Turbo switch
W10
Speaker
J24
32-bit external memory card
S1
Power LED & keylock
J25
32-bit VESA local bus slot
S2
Reset switch
W8

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
Monitor type select color
W1
Closed

Monitor type select monochrome
W1
Open
»
Factory configured - do not alter
W5
Open
»
Factory configured - do not alter
W7
Open
»
Factory configured - do not alter
SW1/6
On
»
Factory configured - do not alter
SW1/7
Off
»
Factory configured - do not alter
SW1/8
On

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(4) 256K x 9
NONE
NONE
NONE
2MB
(4) 256K x 9
(4) 256K x 9
NONE
NONE
3MB
(4) 256K x 9
(4) 256K x 9
(4) 256K x 9
NONE
4MB
(4) 256K x 9
(4) 256K x 9
(4) 256K x 9
(4) 256K x 9
4MB
(4) 1M x 9
NONE
NONE
NONE
5MB
(4) 256K x 9
(4) 1 M x 9
NONE
NONE
6MB
(4) 256K x 9
(4) 256K x 9
(4) 1M x 9
NONE
7MB
(4) 256K x 9
(4) 256K x 9
(4) 256K x 9
(4) 1M x 9
8MB
(4) 1M x 9
(4) 1M x 9
NONE
NONE
9MB
(4) 256K x 9
(4) 1M x 9
(4) 1M x 9
NONE
10MB
(4) 256K x 9
(4) 256K x 9
(4) 1M x 9
(4) 1M x 9
12MB
(4) 1M x 9
(4) 1M x 9
(4) 1M x 9
NONE
13MB
(4) 256K x 9
(4) 1M x 9
(4) 1M x 9
(4) 1M x 9
16MB
(4) 1M x 9
(4) 1M x 9
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
NONE
NONE
20MB
(4) 1M x 9
(4) 4M x 9
NONE
NONE
24MB
(4) 1M x 9
(4) 1M x 9
(4) 4M x 9
NONE
28MB
(4) 1M x 9
(4) 1M x 9
(4) 1M x 9
(4) 4M x 9
32MB
(4) 4M x 9
(4) 4M x 9
NONE
NONE
36MB
(4) 1M x 9
(4) 4M x 9
(4) 4M x 9
NONE
40MB
(4) 1M x 9
(4) 1M x 9
(4) 4M x 9
(4) 4M x 9
48MB
(4) 4M x 9
(4) 4M x 9
(4) 4M x 9
NONE
52MB
(4) 1M x 9
(4) 4M x 9
(4) 4M x 9
(4) 4M x 9
64MB
(4) 4M x 9
(4) 4M x 9
(4) 4M x 9
(4) 4M x 9

DRAM SWITCH CONFIGURATION
Size
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
1MB
On
On
On
On
On
2MB
Off
On
On
On
On
3MB
On
Off
On
On
On
4MB 1
Off
Off
On
On
On
4MB 2
On
On
Off
On
On
5MB
On
On
Off
Off
On
6MB
On
Off
On
Off
On
7MB
Off
On
On
Off
On
8MB
Off
On
Off
On
On
9MB
On
Off
Off
Off
On
10MB
Off
Off
On
Off
On
12MB
On
Off
Off
On
On
13MB
Off
Off
Off
Off
On
16MB 1
Off
Off
Off
On
On
16MB 3
On
On
Off
On
Off
20MB
On
On
Off
Off
Off
24MB
On
Off
On
Off
Off
28MB
Off
On
On
Off
Off
32MB
Off
On
Off
On
Off
36MB
On
Off
Off
Off
Off
40MB
Off
Off
On
Off
Off
48MB
On
Off
Off
On
Off
52MB
Off
Off
Off
Off
Off
64MB
Off
Off
Off
On
Off
Note 1 :Use this setting when banks are populated with (4) 256K x 9 SIMMs.
Note 2 :Use this setting when banks are populated with (4) 1M x 9 SIMMs.
Note 3 :Use this setting when banks are populated with (4) 4M x 9 SIMMs.

CACHE CONFIGURATION
Size
Bank 0
64KB
(8) 8K x 8

CACHE JUMPER CONFIGURATION
Size
W2
W3
Cache up to 16MB of DRAM
Off
Off
Cache up to 64MB of DRAM
Closed
Closed

CPU SPEED CONFIGURATION
Speed
W4
W6
25MHz
Open
pins 2 & 3 closed
33MHz
Open
pins 1 & 2 closed
40MHz
Closed
pins 2 & 3 closed

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BABY GEMINI-386 ISA/LB Motherboard Settings and Configuration

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Processor	80386DX
Processor Speed	25/33/40MHz
Chip Set	Micronics
Max. Onboard DRAM	32MB
Cache	64KB
BIOS	Phoenix
Dimensions	215mm x 337mm
I/O Options	32-bit external memory card slot, 32-bit VESA local bus slot
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External keyboard	J1	Turbo LED	W9
External battery	J11	Turbo switch	W10
Speaker	J24	32-bit external memory card	S1
Power LED & keylock	J25	32-bit VESA local bus slot	S2
Reset switch	W8

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Monitor type select color	W1	Closed
	Monitor type select monochrome	W1	Open
»	Factory configured - do not alter	W5	Open
»	Factory configured - do not alter	W7	Open
»	Factory configured - do not alter	SW1/6	On
»	Factory configured - do not alter	SW1/7	Off
»	Factory configured - do not alter	SW1/8	On

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(4) 256K x 9	NONE	NONE	NONE
2MB	(4) 256K x 9	(4) 256K x 9	NONE	NONE
3MB	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	NONE
4MB	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE	NONE	NONE
5MB	(4) 256K x 9	(4) 1 M x 9	NONE	NONE
6MB	(4) 256K x 9	(4) 256K x 9	(4) 1M x 9	NONE
7MB	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	(4) 1M x 9
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
9MB	(4) 256K x 9	(4) 1M x 9	(4) 1M x 9	NONE
10MB	(4) 256K x 9	(4) 256K x 9	(4) 1M x 9	(4) 1M x 9
12MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	NONE
13MB	(4) 256K x 9	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
16MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE	NONE	NONE
20MB	(4) 1M x 9	(4) 4M x 9	NONE	NONE
24MB	(4) 1M x 9	(4) 1M x 9	(4) 4M x 9	NONE
28MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9	NONE	NONE
36MB	(4) 1M x 9	(4) 4M x 9	(4) 4M x 9	NONE
40MB	(4) 1M x 9	(4) 1M x 9	(4) 4M x 9	(4) 4M x 9
48MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	NONE
52MB	(4) 1M x 9	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9
64MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9

DRAM SWITCH CONFIGURATION
Size	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5
1MB	On	On	On	On	On
2MB	Off	On	On	On	On
3MB	On	Off	On	On	On
4MB 1	Off	Off	On	On	On
4MB 2	On	On	Off	On	On
5MB	On	On	Off	Off	On
6MB	On	Off	On	Off	On
7MB	Off	On	On	Off	On
8MB	Off	On	Off	On	On
9MB	On	Off	Off	Off	On
10MB	Off	Off	On	Off	On
12MB	On	Off	Off	On	On
13MB	Off	Off	Off	Off	On
16MB 1	Off	Off	Off	On	On
16MB 3	On	On	Off	On	Off
20MB	On	On	Off	Off	Off
24MB	On	Off	On	Off	Off
28MB	Off	On	On	Off	Off
32MB	Off	On	Off	On	Off
36MB	On	Off	Off	Off	Off
40MB	Off	Off	On	Off	Off
48MB	On	Off	Off	On	Off
52MB	Off	Off	Off	Off	Off
64MB	Off	Off	Off	On	Off
Note 1 :Use this setting when banks are populated with (4) 256K x 9 SIMMs. Note 2 :Use this setting when banks are populated with (4) 1M x 9 SIMMs. Note 3 :Use this setting when banks are populated with (4) 4M x 9 SIMMs.

CACHE JUMPER CONFIGURATION
Size	W2	W3
Cache up to 16MB of DRAM	Off	Off
Cache up to 64MB of DRAM	Closed	Closed

CPU SPEED CONFIGURATION
Speed	W4	W6
25MHz	Open	pins 2 & 3 closed
33MHz	Open	pins 1 & 2 closed
40MHz	Closed	pins 2 & 3 closed