386/40 Motherboard Settings and Configuration

UNIDENTIFIED

386/40

Processor
80386DX
Processor Speed
33/40MHz
Chip Set
C & T
Max. Onboard DRAM
32MB
Cache
32/64/128/256KB
BIOS
AMI/C & T
Dimensions
330mm x 218mm
I/O Options
None
NPU Options
80387/3167

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
JP3
Reset switch
JP7
Power LED & keylock
JP5
Turbo LED
JP8
Speaker
JP6
Turbo switch
JP9

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Factory configured - do not alter
J3
N/A
»
Factory configured - do not alter
J4
N/A
»
NPU mode select synchronous with CPU
J5
Open

NPU mode select synchronous with OSC1
J5
Closed
»
Factory test disabled
J6
Open

Factory test enabled
J6
Closed
»
Monitor type select color
JP1
pins 1 & 2 closed

Monitor type select monochrome
JP1
pins 2 & 3 closed
»
Battery select internal
JP2
Closed

Battery select external
JP2
Open
»
CMOS memory normal operation
JP4
pins 1 & 2 closed

CMOS memory clear
JP4
pins 2 & 3 closed
»
Factory configured - do not alter
JP10
N/A

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(4) 256K x 9
NONE
2MB
(4) 256K x 9
(4) 256K x 9
4MB
(4) 1M x 9
NONE
5MB
(4) 1M x 9
(4) 256K x 9
8MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
17MB
(4) 4M x 9
(4) 256K x 9
20MB
(4) 4M x 9
(4) 1M x 9
32MB
(4) 4M x 9
(4) 4M x 9

DRAM JUMPER CONFIGURATION
Size
JP11
1MB
pins 2 & 3 closed
2MB
pins 1 & 2 closed
4MB
pins 2 & 3 closed
5MB
pins 2 & 3 closed
8MB
pins 1 & 2 closed
16MB
pins 2 & 3 closed
17MB
pins 2 & 3 closed
20MB
pins 2 & 3 closed
32MB
pins 1 & 2 closed

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG (U35)
TAG (U37)
32KB
(4) 8K x 8
NONE
(1) 8K x 8
NONE
64KB
(4) 8K x 8
(4) 8K x 8
(1) 8K x 8
(1) 8K x 8
128KB
(4) 32K x 8
NONE
(1) 8K x 8
NONE
256KB
(4) 32K x 8
(4) 32K x 8
(1) 8K x 8
(1) 8K x 8

CACHE JUMPER CONFIGURATION
Size
SR1
SR2
SR3
SR4
SR5
32KB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
64KB
2 & 3
1 & 2
1 & 2
1 & 2
1 & 2
128KB
2 & 3
1 & 2
1 & 2
1 & 2
2 & 3
256KB
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)
Size
SR6
SR7
SR8
SR9
SR10
SR11
32KB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
64KB
1 & 2
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
128KB
1 & 2
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
256KB
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

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386/40 Motherboard Settings and Configuration

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Processor	80386DX
Processor Speed	33/40MHz
Chip Set	C & T
Max. Onboard DRAM	32MB
Cache	32/64/128/256KB
BIOS	AMI/C & T
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP3	Reset switch	JP7
Power LED & keylock	JP5	Turbo LED	JP8
Speaker	JP6	Turbo switch	JP9

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	J3	N/A
»	Factory configured - do not alter	J4	N/A
»	NPU mode select synchronous with CPU	J5	Open
	NPU mode select synchronous with OSC1	J5	Closed
»	Factory test disabled	J6	Open
	Factory test enabled	J6	Closed
»	Monitor type select color	JP1	pins 1 & 2 closed
	Monitor type select monochrome	JP1	pins 2 & 3 closed
»	Battery select internal	JP2	Closed
	Battery select external	JP2	Open
»	CMOS memory normal operation	JP4	pins 1 & 2 closed
	CMOS memory clear	JP4	pins 2 & 3 closed
»	Factory configured - do not alter	JP10	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
17MB	(4) 4M x 9	(4) 256K x 9
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

DRAM JUMPER CONFIGURATION
Size	JP11
1MB	pins 2 & 3 closed
2MB	pins 1 & 2 closed
4MB	pins 2 & 3 closed
5MB	pins 2 & 3 closed
8MB	pins 1 & 2 closed
16MB	pins 2 & 3 closed
17MB	pins 2 & 3 closed
20MB	pins 2 & 3 closed
32MB	pins 1 & 2 closed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG (U35)	TAG (U37)
32KB	(4) 8K x 8	NONE	(1) 8K x 8	NONE
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8	(1) 8K x 8
128KB	(4) 32K x 8	NONE	(1) 8K x 8	NONE
256KB	(4) 32K x 8	(4) 32K x 8	(1) 8K x 8	(1) 8K x 8

CACHE JUMPER CONFIGURATION
Size	SR1	SR2	SR3	SR4	SR5
32KB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
64KB	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
128KB	2 & 3	1 & 2	1 & 2	1 & 2	2 & 3
256KB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)
Size	SR6	SR7	SR8	SR9	SR10	SR11
32KB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
64KB	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
128KB	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
256KB	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.