DPC-4434 Motherboard Settings and Configuration

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DPC-4434

Processor
80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed
20/25/33/50(internal)/50/66(internal) MHz
Chip Set
Unknown
Max. Onboard DRAM
32MB
Cache
None
BIOS
Unknown
Dimensions
330mm x 218mm
I/O Options
Floppy drive interface, IDE interface, multi-function connector (power LED, turbo SW1itch, keylock, and reset), parallel port, PS/2 keyboard connector, PS/2 mouse port, serial port,VGA feature connector, VGA port
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Multi-function connector
C1
PS/2 mouse port
MC
Speaker
C2
Parallel port
PC
IDE interface LED
C3
Riser Card
S1
Floppy drive interface
FDC
Serial port
SC
IDE interface
IDE
VGA port
VC
PS/2 keyboard port
KC
VGA feature connector
VGA

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
PS/2 mouse port enabled (IRQ12)
JP5
pins 1 & 2 closed

PS/2 mouse port disabled
JP5
pins 2 & 3 closed
»
Monitor type select color
SW1/2
On

Monitor type select monochrome
SW1/2
Off

DRAM CONFIGURAPTION
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

ONBOARD VIDEO CONFIGURATION
VRAM size
Bank 0
Bank 1
SW1/1
SW1/3
»
512KB
512KB
None
On
On

1024KB
512KB
(4) 256K x 4
On
Off

Disabled
N/A
N/A
Off
N/A

800 X 600 VIDEO MODE CONFIGURATION
Refresh Rate
Mode
SW1/6
SW1/7
»
56Hz
Interlaced
Off
Off

60Hz
Interlaced
On
Off

70Hz
Interlaced
Off
On

72Hz
Interlaced
On
On

1024 X 768 VIDEO MODE CONFIGURATION
Refresh Rate
Mode
SW1/4
SW1/5
»
56Hz
Interlaced
Off
Off

60Hz
Non-interlaced
On
Off

70Hz
Non-interlaced
Off
On

72Hz
Non-interlaced
On
On

RAMDAC CONFIGURATION
RAMDAC type
JP1
JP2
BT478, BT476, KDA0478, KDA0476
Closed
pins 2 & 3 closed
SC11483, SC11487 (Hi-Color)
Closed
pins 1 & 2 closed
IMS178
Open
pins 1 & 2 closed

CPU CONFIGURATION
CPU
JP3
JP4
JP8
JP9
80486SX
Open
pins 1 & 2 closed
pins 2 & 3 closed
Open
80487SX/ODP486SX
pins 2 & 3 closed
pins 2 & 3 closed
pins 1 & 2 closed
Closed
80486DX/DX2
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
Closed

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DPC-4434 Motherboard Settings and Configuration

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Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/33/50(internal)/50/66(internal) MHz
Chip Set	Unknown
Max. Onboard DRAM	32MB
Cache	None
BIOS	Unknown
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interface, multi-function connector (power LED, turbo SW1itch, keylock, and reset), parallel port, PS/2 keyboard connector, PS/2 mouse port, serial port,VGA feature connector, VGA port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Multi-function connector	C1	PS/2 mouse port	MC
Speaker	C2	Parallel port	PC
IDE interface LED	C3	Riser Card	S1
Floppy drive interface	FDC	Serial port	SC
IDE interface	IDE	VGA port	VC
PS/2 keyboard port	KC	VGA feature connector	VGA

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	PS/2 mouse port enabled (IRQ12)	JP5	pins 1 & 2 closed
	PS/2 mouse port disabled	JP5	pins 2 & 3 closed
»	Monitor type select color	SW1/2	On
	Monitor type select monochrome	SW1/2	Off

DRAM CONFIGURAPTION
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

ONBOARD VIDEO CONFIGURATION
VRAM size		Bank 0	Bank 1	SW1/1	SW1/3
»	512KB	512KB	None	On	On
	1024KB	512KB	(4) 256K x 4	On	Off
	Disabled	N/A	N/A	Off	N/A

800 X 600 VIDEO MODE CONFIGURATION
Refresh Rate		Mode	SW1/6	SW1/7
»	56Hz	Interlaced	Off	Off
	60Hz	Interlaced	On	Off
	70Hz	Interlaced	Off	On
	72Hz	Interlaced	On	On

1024 X 768 VIDEO MODE CONFIGURATION
Refresh Rate		Mode	SW1/4	SW1/5
»	56Hz	Interlaced	Off	Off
	60Hz	Non-interlaced	On	Off
	70Hz	Non-interlaced	Off	On
	72Hz	Non-interlaced	On	On

RAMDAC CONFIGURATION
RAMDAC type	JP1	JP2
BT478, BT476, KDA0478, KDA0476	Closed	pins 2 & 3 closed
SC11483, SC11487 (Hi-Color)	Closed	pins 1 & 2 closed
IMS178	Open	pins 1 & 2 closed

CPU CONFIGURATION
CPU	JP3	JP4	JP8	JP9
80486SX	Open	pins 1 & 2 closed	pins 2 & 3 closed	Open
80487SX/ODP486SX	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 closed	Closed
80486DX/DX2	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	Closed