DFI 386-33UC, DFI-386-25UC Motherboard Settings and Configuration

DIAMOND FLOWER, INC.

DFI 386-33UC, DFI-386-25UC

Processor
80386DX
Processor Speed
25/33MHz
Chip Set
UMC
Max. Onboard DRAM
12MB (4MB on external memory card)
Cache
32KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
External memory card
NPU Options
80387DX/3167

CONNECTIONS
Purpose
Location
Purpose
Location
CPU clock indicator connector
J1
Power LED & keylock
J7
Auxiliary keyboard connector
J2
Reset switch
J13
Reset switch
J3
External battery
J17
Turbo LED
J4
Riser Card
SL1
Speaker
J6

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
Battery type select internal
J14
pins 2 & 3 closed

Battery type select external
J14
pins 1 & 2 closed
»
Monitor type select monochrome
J18
Open

Monitor type select color
J18
Closed
»
Factory configured - do not alter
J20
pins 2 & 3 closed
»
Factory configured - do not alter (386-33UC only)
J21
pins 1 & 2 closed
»
Cache enabled
J22
pins 1 & 2 closed

Cache disabled
J22
pins 2 & 3 closed
»
Factory configured - do not alter
J25
Closed
»
Factory configured - do not alter
J26
Closed
»
NPU type select Weitek 3167 or none installed
J27
Closed

NPU type select 80387 or Weitek 3167 installed
J27
Open
»
Factory configured - do not alter
J28
pins 2 & 3 closed
»
DRAM type select 1M x 9
SW1/1
Off

DRAM type select 256K x 9
SW1/1
On
»
Factory configured - do not alter
SW1/4
On
»
Factory configured - do not alter
SW1/5
On
»
Factory configured - do not alter
SW1/6
On
»
Factory configured - do not alter
SW1/7
On
»
Factory configured - do not alter
SW1/8
On

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
1MB
(4) 256K x 9
NONE
NONE
2MB
(4) 256K x 9
(4) 256K x 9
NONE
3MB
(4) 256K x 9
(4) 256K x 9
(4) 256K x 9
4MB
(4) 1M x 9
NONE
NONE
8MB
(4) 1M x 9
(4) 1M x 9
NONE
12MB
(4) 1M x 9
(4) 1M x 9
(4) 1M x 9
Note: Bank 3 is located on the external memory card.

DRAM BANK CONFIGURATION
Bank
SW1/2
SW1/3
0, 1, 2
Off
Off
0, 1
Off
On
0
On
On

CACHE CONFIGURATION
Note: The location of the 32KB cache is unidentified.

CPU SPEED CONFIGURATION
Speed
J5
J15
High (cache installed)
pins 1 & 2 closed
pins 1 & 2 closed
Low (cache not installed)
pins 2 & 3 closed
pins 2 & 3 closed

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DFI 386-33UC, DFI-386-25UC Motherboard Settings and Configuration

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Processor	80386DX
Processor Speed	25/33MHz
Chip Set	UMC
Max. Onboard DRAM	12MB (4MB on external memory card)
Cache	32KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	External memory card
NPU Options	80387DX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
CPU clock indicator connector	J1	Power LED & keylock	J7
Auxiliary keyboard connector	J2	Reset switch	J13
Reset switch	J3	External battery	J17
Turbo LED	J4	Riser Card	SL1
Speaker	J6

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Battery type select internal	J14	pins 2 & 3 closed
	Battery type select external	J14	pins 1 & 2 closed
»	Monitor type select monochrome	J18	Open
	Monitor type select color	J18	Closed
»	Factory configured - do not alter	J20	pins 2 & 3 closed
»	Factory configured - do not alter (386-33UC only)	J21	pins 1 & 2 closed
»	Cache enabled	J22	pins 1 & 2 closed
	Cache disabled	J22	pins 2 & 3 closed
»	Factory configured - do not alter	J25	Closed
»	Factory configured - do not alter	J26	Closed
»	NPU type select Weitek 3167 or none installed	J27	Closed
	NPU type select 80387 or Weitek 3167 installed	J27	Open
»	Factory configured - do not alter	J28	pins 2 & 3 closed
»	DRAM type select 1M x 9	SW1/1	Off
	DRAM type select 256K x 9	SW1/1	On
»	Factory configured - do not alter	SW1/4	On
»	Factory configured - do not alter	SW1/5	On
»	Factory configured - do not alter	SW1/6	On
»	Factory configured - do not alter	SW1/7	On
»	Factory configured - do not alter	SW1/8	On

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
1MB	(4) 256K x 9	NONE	NONE
2MB	(4) 256K x 9	(4) 256K x 9	NONE
3MB	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE
12MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
Note: Bank 3 is located on the external memory card.

DRAM BANK CONFIGURATION
Bank	SW1/2	SW1/3
0, 1, 2	Off	Off
0, 1	Off	On
0	On	On

CPU SPEED CONFIGURATION
Speed	J5	J15
High (cache installed)	pins 1 & 2 closed	pins 1 & 2 closed
Low (cache not installed)	pins 2 & 3 closed	pins 2 & 3 closed