BABY GEMINI-486 Motherboard Settings and Configuration

MICRONICS COMPUTERS, INC.

BABY GEMINI-486

Processor
80486DX
Processor Speed
50MHz
Chip Set
Micronics
Max. Onboard DRAM
32MB
Cache
64/128/256KB
BIOS
Phoenix
Dimensions
331mm x 218mm
I/O Options
32-bit external memory card slot
NPU Options
4167

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J11
Turbo LED
W5
Speaker
J23
Reset switch
W6
Power LED & keylock
J24
Turbo switch
W7
32-bit external memory card
S1

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
Factory configured - do not alter
SW1/1
On
»
Factory configured - do not alter
SW1/2
Off
»
Factory configured - do not alter
SW1/3
Off
»
Factory configured - do not alter
SW1/4
On
»
Factory configured - do not alter
SW1/5
Off
»
Factory configured - do not alter
SW1/6
Off
»
Factory configured - do not alter
SW1/7
Off
»
Factory configured - do not alter
SW1/8
Off
»
Factory configured - do not alter
SW2/6
On
»
Factory configured - do not alter
W11
pins 2 & 3 closed
»
Factory configured - do not alter
W12
Closed
»
Factory configured - do not alter
W13
pins 2 & 3 closed
»
Factory configured - do not alter
W14
pins 2 & 3 closed
»
Cache interleave select 64KB
W15
pins 2 & 3 closed

Cache interleave select 256KB
W15
pins 1 & 2 closed
Note:Cache can not be interleaved at 128KB. When using 128KB cache, W15 setting is irrelevant.

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) 1M 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
SW2/1
SW2/2
SW2/3
SW2/4
SW2/5
1MB
On
On
On
On
On
2MB
Off
On
On
On
On
3MB
On
Off
On
On
On
4MB
Off
Off
On
On
On
4MB
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
Off
Off
Off
On
On
16MB
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

CACHE CONFIGURATION
Size
Bank 0
Bank 1
64KB
(4) 8K x 8
(4) 8K x 8
128KB
(4) 32K x 8
NONE
256KB
(4) 32K x 8
(4) 32K x 8

CACHE JUMPER/SWITCH CONFIGURATION
Size
SW2/7
SW2/8
W3
W4
64KB
Off
Off
Open
Open
128KB
On
On
Open
Closed
256KB
Off
On
Closed
Closed

Headaches Begone! A Systemic Approach To Healing Your Headaches

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

BABY GEMINI-486 Motherboard Settings and Configuration

Search

My Books

Discover

Processor	80486DX
Processor Speed	50MHz
Chip Set	Micronics
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	Phoenix
Dimensions	331mm x 218mm
I/O Options	32-bit external memory card slot
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J11	Turbo LED	W5
Speaker	J23	Reset switch	W6
Power LED & keylock	J24	Turbo switch	W7
32-bit external memory card	S1

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	SW1/1	On
»	Factory configured - do not alter	SW1/2	Off
»	Factory configured - do not alter	SW1/3	Off
»	Factory configured - do not alter	SW1/4	On
»	Factory configured - do not alter	SW1/5	Off
»	Factory configured - do not alter	SW1/6	Off
»	Factory configured - do not alter	SW1/7	Off
»	Factory configured - do not alter	SW1/8	Off
»	Factory configured - do not alter	SW2/6	On
»	Factory configured - do not alter	W11	pins 2 & 3 closed
»	Factory configured - do not alter	W12	Closed
»	Factory configured - do not alter	W13	pins 2 & 3 closed
»	Factory configured - do not alter	W14	pins 2 & 3 closed
»	Cache interleave select 64KB	W15	pins 2 & 3 closed
	Cache interleave select 256KB	W15	pins 1 & 2 closed
Note:Cache can not be interleaved at 128KB. When using 128KB cache, W15 setting is irrelevant.

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) 1M 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	SW2/1	SW2/2	SW2/3	SW2/4	SW2/5
1MB	On	On	On	On	On
2MB	Off	On	On	On	On
3MB	On	Off	On	On	On
4MB	Off	Off	On	On	On
4MB	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	Off	Off	Off	On	On
16MB	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

CACHE CONFIGURATION
Size	Bank 0	Bank 1
64KB	(4) 8K x 8	(4) 8K x 8
128KB	(4) 32K x 8	NONE
256KB	(4) 32K x 8	(4) 32K x 8

CACHE JUMPER/SWITCH CONFIGURATION
Size	SW2/7	SW2/8	W3	W4
64KB	Off	Off	Open	Open
128KB	On	On	Open	Closed
256KB	Off	On	Closed	Closed