486FLE2 Motherboard Settings and Configuration

EFA CORPORATION

486FLE2

Processor
80486SX/ODP486SX/80486DX/80487SX/ODP486DX/80486DX2
Processor Speed
16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set
SIS
Max. Onboard DRAM
32MB
Cache
64/128/256KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Power LED & keylock
JP4
Turbo switch
JP9
Speaker
JP7
Turbo LED
JP22
Reset switch
JP8
32-bit VESA Local bus slots
S1 & S2

USER CONFIGURABLE SETTINGS
Function
Jumper
Position

Monitor type select color
JP1
Closed

Monitor type select monochrome
JP1
Open
»
Factory configured - do not alter
JP5
pins 1 & 2 closed
»
Factory configured - do not alter
JP6
pins 1 & 2 closed
»
Factory configured - do not alter
JP21
Closed
Note:The exact locations of JP1 & JP21 are unknown.

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(4) 256K x 9
NONE
2MB
(4) 256K x 9
(4) 256K x 9
2MB
(4) 512K x 9
NONE
4MB
(4) 1M x 9
NONE
4MB
(4) 512K x 9
(4) 512K x 9
8MB
(4) 1M x 9
(4) 1M x 9
8MB
(4) 2M x 9
NONE
16MB
(4) 4M x 9
NONE
16MB
(4) 2M x 9
(4) 2M x 9
18MB
(4) 512K x 9
(4) 4M x 9
20MB
(4) 1M x 9
(4) 4M x 9
32MB
(4) 4M x 9
(4) 4M x 9

CACHE JUMPER CONFIGURATION
Size
JP11
JP12
JP13
JP14
JP15
JP16
64KB
pins 2 & 3
pins 1 & 2
pins 1 & 2
pins 1 & 2
pins 1 & 2
pins 1 & 2
128KB
pins 1 & 2
pins 2 & 3
pins 1 & 2
pins 2 & 3
pins 1 & 2
pins 2 & 3
256KB
pins 4 & 5
pins 2 & 3
pins 2 & 3
pins 2 & 3
pins 2 & 3
pins 2 & 3
Note:Pins designated should be in the closed position.

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

CPU SPEED CONFIGURATION
Speed
SW2/switch 1
SW2/switch 2
SW2/switch 3
16MHz
On
Off
On
20MHz
Off
Off
On
25MHz
On
On
Off
33MHz
Off
On
Off
50i MHz
On
On
Off
50MHz
Off
Off
Off
66i MHz
Off
On
Off

CPU TYPE CONFIGURATION
Type
JP3
JP24
JP25
SW3/1
SW3/2
SW3/3
SW3/4
SW3/5
80486SX
N/A
N/A
N/A
Off
Off
Off
On
Off
80486SX (PQFP)
Open
Open
1 & 2
N/A
N/A
N/A
N/A
N/A
ODP486SX
N/A
N/A
N/A
On
Off
On
Off
On
80486DX
N/A
N/A
N/A
On
On
Off
Off
On
80486DX (PQFP)
Closed
Closed
N/A
N/A
N/A
N/A
N/A
N/A
ODP486DX
N/A
N/A
N/A
On
Off
On
Off
On
80486DX2
N/A
N/A
N/A
On
On
Off
Off
On
Note:Pins designated should be in the closed position.

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Processor	80486SX/ODP486SX/80486DX/80487SX/ODP486DX/80486DX2
Processor Speed	16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	JP4	Turbo switch	JP9
Speaker	JP7	Turbo LED	JP22
Reset switch	JP8	32-bit VESA Local bus slots	S1 & S2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	Monitor type select color	JP1	Closed
	Monitor type select monochrome	JP1	Open
»	Factory configured - do not alter	JP5	pins 1 & 2 closed
»	Factory configured - do not alter	JP6	pins 1 & 2 closed
»	Factory configured - do not alter	JP21	Closed
Note:The exact locations of JP1 & JP21 are unknown.

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
2MB	(4) 512K x 9	NONE
4MB	(4) 1M x 9	NONE
4MB	(4) 512K x 9	(4) 512K x 9
8MB	(4) 1M x 9	(4) 1M x 9
8MB	(4) 2M x 9	NONE
16MB	(4) 4M x 9	NONE
16MB	(4) 2M x 9	(4) 2M x 9
18MB	(4) 512K x 9	(4) 4M x 9
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE JUMPER CONFIGURATION
Size	JP11	JP12	JP13	JP14	JP15	JP16
64KB	pins 2 & 3	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2
128KB	pins 1 & 2	pins 2 & 3	pins 1 & 2	pins 2 & 3	pins 1 & 2	pins 2 & 3
256KB	pins 4 & 5	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3
Note:Pins designated should be in the closed position.

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

CPU SPEED CONFIGURATION
Speed	SW2/switch 1	SW2/switch 2	SW2/switch 3
16MHz	On	Off	On
20MHz	Off	Off	On
25MHz	On	On	Off
33MHz	Off	On	Off
50i MHz	On	On	Off
50MHz	Off	Off	Off
66i MHz	Off	On	Off

CPU TYPE CONFIGURATION
Type	JP3	JP24	JP25	SW3/1	SW3/2	SW3/3	SW3/4	SW3/5
80486SX	N/A	N/A	N/A	Off	Off	Off	On	Off
80486SX (PQFP)	Open	Open	1 & 2	N/A	N/A	N/A	N/A	N/A
ODP486SX	N/A	N/A	N/A	On	Off	On	Off	On
80486DX	N/A	N/A	N/A	On	On	Off	Off	On
80486DX (PQFP)	Closed	Closed	N/A	N/A	N/A	N/A	N/A	N/A
ODP486DX	N/A	N/A	N/A	On	Off	On	Off	On
80486DX2	N/A	N/A	N/A	On	On	Off	Off	On
Note:Pins designated should be in the closed position.