DIGIS-3486HN Motherboard Settings and Configuration

AMERICAN DIGICOM CORPORATION

DIGIS-3486HN

Processor
CX486DLC/80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed
20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set
OPTi
Max. Onboard DRAM
32MB
Cache
64/128/256KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
None
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J2
Turbo LED
J44
Power LED & keylock
J42
Reset switch
J45
Turbo switch
J43
Speaker
SPKR

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
CMOS memory normal operation
J3
pins 2 & 3 closed

CMOS memory clear
J3
pins 1 & 2 closed
»
Monitor type select color
J6
Closed

Monitor type select monochrome
J6
Open
»
Supports CYRIX CPU
JP25
Closed

Supports other CPU
JP26
Open

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) 256K x 9
(4) 1M x 9
8MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
20MB
(4) 4M x 9
(4) 4M x 9
20MB
(4) 1M x 9
(4) 1M x 9
32MB
(4) 4M x 9
(4) 4M x 9

CACHE CONFIGURATION
Size
Max Cachable
Bank 0
Bank 1
TAG/U29
TAG/U30
64KB
8MB
(4) 8K x 8
(4) 8K x 8
(1) 8K x 8
NONE
128KB
16MB
(4) 32K x 8
NONE
(1) 8K x 8
NONE
256KB
32MB
(4) 32K x 8
(4) 32K x 8
(1) 8K x 8
(1) 8K x 8

CACHE JUMPER CONFIGURATION
Size
J34
J36
J37
J38
64KB
Open
pins 2 & 3 closed
Open
Open
128KB
Closed
pins 1 & 2 closed
Closed
Closed
256KB
Closed
pins 2 & 3 closed
Closed
Closed

CPU SPEED CONFIGURATION
Speed
J30
J32
J39
J40
20MHz
Closed
Closed
pins 1 & 2 closed
pins 1 & 2 closed
25MHz
Open
Open
pins 1 & 2 closed
pins 1 & 2 closed
33MHz
Open
Closed
pins 1 & 2 closed
pins 1 & 2 closed
40MHz
Closed
Closed
pins 1 & 2 closed
pins 2 & 3 closed
50i MHz
Open
Open
pins 1 & 2 closed
pins 1 & 2 closed
50MHz
Open
Open
pins 2 & 3 closed
pins 2 & 3 closed
66i MHz
Open
Closed
pins 2 & 3 closed
pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type
J23
J24
J27
J28
J29
J31
J41
CX486DLC
1 & 2
Closed
N/A
N/A
N/A
Open
N/A
80386DX PGA
1 & 2
Closed
N/A
N/A
N/A
Open
N/A
80386DX PQFP
1 & 2
Open
N/A
N/A
N/A
Open
N/A
80486SX PGA
2 & 3
N/A
Closed
Open
2 & 3
Closed
Open
80486SX PQFP
2 & 3
N/A
Open
Closed
2 & 3
Closed
Open
80487SX
2 & 3
N/A
Closed
Open
2 & 3
Closed
2 & 3
80486DX
2 & 3
N/A
Closed
Closed
1 & 2
Closed
1 & 2
80486DX2
2 & 3
N/A
Closed
Closed
1 & 2
Closed
1 & 2
Note:Pins designated should be in the closed position.

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DIGIS-3486HN Motherboard Settings and Configuration

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Processor	CX486DLC/80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed	20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set	OPTi
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J2	Turbo LED	J44
Power LED & keylock	J42	Reset switch	J45
Turbo switch	J43	Speaker	SPKR

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	J3	pins 2 & 3 closed
	CMOS memory clear	J3	pins 1 & 2 closed
»	Monitor type select color	J6	Closed
	Monitor type select monochrome	J6	Open
»	Supports CYRIX CPU	JP25	Closed
	Supports other CPU	JP26	Open

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) 256K x 9	(4) 1M x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 4M x 9
20MB	(4) 1M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Max Cachable	Bank 0	Bank 1	TAG/U29	TAG/U30
64KB	8MB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8	NONE
128KB	16MB	(4) 32K x 8	NONE	(1) 8K x 8	NONE
256KB	32MB	(4) 32K x 8	(4) 32K x 8	(1) 8K x 8	(1) 8K x 8

CACHE JUMPER CONFIGURATION
Size	J34	J36	J37	J38
64KB	Open	pins 2 & 3 closed	Open	Open
128KB	Closed	pins 1 & 2 closed	Closed	Closed
256KB	Closed	pins 2 & 3 closed	Closed	Closed

CPU SPEED CONFIGURATION
Speed	J30	J32	J39	J40
20MHz	Closed	Closed	pins 1 & 2 closed	pins 1 & 2 closed
25MHz	Open	Open	pins 1 & 2 closed	pins 1 & 2 closed
33MHz	Open	Closed	pins 1 & 2 closed	pins 1 & 2 closed
40MHz	Closed	Closed	pins 1 & 2 closed	pins 2 & 3 closed
50i MHz	Open	Open	pins 1 & 2 closed	pins 1 & 2 closed
50MHz	Open	Open	pins 2 & 3 closed	pins 2 & 3 closed
66i MHz	Open	Closed	pins 2 & 3 closed	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	J23	J24	J27	J28	J29	J31	J41
CX486DLC	1 & 2	Closed	N/A	N/A	N/A	Open	N/A
80386DX PGA	1 & 2	Closed	N/A	N/A	N/A	Open	N/A
80386DX PQFP	1 & 2	Open	N/A	N/A	N/A	Open	N/A
80486SX PGA	2 & 3	N/A	Closed	Open	2 & 3	Closed	Open
80486SX PQFP	2 & 3	N/A	Open	Closed	2 & 3	Closed	Open
80487SX	2 & 3	N/A	Closed	Open	2 & 3	Closed	2 & 3
80486DX	2 & 3	N/A	Closed	Closed	1 & 2	Closed	1 & 2
80486DX2	2 & 3	N/A	Closed	Closed	1 & 2	Closed	1 & 2
Note:Pins designated should be in the closed position.