Precision 386DX/33 Motherboard Settings and Configuration

DELL COMPUTER CORPORATION

Precision 386DX/33

Processor
80386DX
Processor Speed
33MHz
Chip Set
VLSI
Max. Onboard DRAM
32MB
Cache
16KB (chipset internal)
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
Bus mouse port, floppy interface, IDE interface, parallel port, serial ports (2), VGA port
NPU Options
80387

CONNECTIONS
Purpose
Location
Purpose
Location
Internal battery holder
BAT
Reset switch
P11
Serial port 1
COM1
Speaker
P12
Serial port 2
COM2
Power LED & keylock
P13
Floppy drive interface
FDD
Turbo LED
P14
IDE interface
IDE
IDE interface LED
P15
Parallel port
LPT
VGA port
VGA
Bus mouse
MSE

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
VGA interrupt request select none
JP1
pins 1 & 2 closed

VGA interrupt request select IRQ9
JP1
pins 2 & 3 closed
»
VGA port enabled
JP2
pins 1 & 2 closed

VGA port disabled
JP2
pins 2 & 3 closed
»
IDE drives installed select one
JP3
pins 1 & 2 closed

IDE drives installed select two
JP3
pins 2 & 3 closed
»
Monitor type select color
JP6
pins 1 & 2 closed

Monitor type select monochrome
JP6
pins 2 & 3 closed
»
CMOS memory normal operation
JP7
pins 2 & 3 closed

CMOS memory clear
JP7
pins 1 & 2 closed
»
Power good signal detect from power supply
JP10
pins 1 & 2 closed

Power good signal detect from board
JP10
pins 2 & 3 closed
»
Monitor type select standard VGA
SW1/1
Off

Monitor type select NEC MultiSync I (only)
SW1/1
On
»
Monitor type select PS/2 style VGA
SW1/2
On

Monitor type select AT style VGA
SW1/2
Off
»
Monitor type select 1024 x 768 interlaced
SW1/5
On

Monitor type select 1024 x 768 non-interlaced
SW1/5
Off

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
NONE
NONE
NONE
2MB
(1) 256K x 36
(1) 256K x 36
NONE
NONE
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
NONE
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
4MB
(1) 1M x 36
NONE
NONE
NONE
5MB
(1) 1M x 36
(1) 256K x 36
NONE
NONE
6MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
9MB
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
NONE
10MB
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
NONE
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 4M x 36
NONE
NONE
NONE
17MB
(1) 4M x 36
(1) 256K x 36
NONE
NONE
18MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
NONE
20MB
(1) 4M x 36
(1) 1M x 36
NONE
NONE
24MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
NONE
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
33MB
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
NONE
34MB
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
36MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
NONE
40MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
NONE
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36

VGA REFRESH CONFIGURATION
Refresh rate
SW1/3
SW1/4
»
800 x 600 x 16 at 56Hz or 800 x 600 x 256 at 56Hz
On
On

800 x 600 x 16 at 72Hz or 800 x 600 x 256 at 56Hz
On
Off

800 x 600 x 16 at 60Hz or 800 x 600 x 256 at 60Hz
Off
On

800 x 600 x 16 at 72Hz or 800 x 600 x 256 at 60Hz
Off
Off
VRAM CONFIGURATION
Size
Bank 0
256KB
NONE
512KB
(2) 44256 ZIPPs

Precision 386DX/33 Motherboard Settings and Configuration

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Processor	80386DX
Processor Speed	33MHz
Chip Set	VLSI
Max. Onboard DRAM	32MB
Cache	16KB (chipset internal)
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	Bus mouse port, floppy interface, IDE interface, parallel port, serial ports (2), VGA port
NPU Options	80387

CONNECTIONS
Purpose	Location	Purpose	Location
Internal battery holder	BAT	Reset switch	P11
Serial port 1	COM1	Speaker	P12
Serial port 2	COM2	Power LED & keylock	P13
Floppy drive interface	FDD	Turbo LED	P14
IDE interface	IDE	IDE interface LED	P15
Parallel port	LPT	VGA port	VGA
Bus mouse	MSE

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	VGA interrupt request select none	JP1	pins 1 & 2 closed
	VGA interrupt request select IRQ9	JP1	pins 2 & 3 closed
»	VGA port enabled	JP2	pins 1 & 2 closed
	VGA port disabled	JP2	pins 2 & 3 closed
»	IDE drives installed select one	JP3	pins 1 & 2 closed
	IDE drives installed select two	JP3	pins 2 & 3 closed
»	Monitor type select color	JP6	pins 1 & 2 closed
	Monitor type select monochrome	JP6	pins 2 & 3 closed
»	CMOS memory normal operation	JP7	pins 2 & 3 closed
	CMOS memory clear	JP7	pins 1 & 2 closed
»	Power good signal detect from power supply	JP10	pins 1 & 2 closed
	Power good signal detect from board	JP10	pins 2 & 3 closed
»	Monitor type select standard VGA	SW1/1	Off
	Monitor type select NEC MultiSync I (only)	SW1/1	On
»	Monitor type select PS/2 style VGA	SW1/2	On
	Monitor type select AT style VGA	SW1/2	Off
»	Monitor type select 1024 x 768 interlaced	SW1/5	On
	Monitor type select 1024 x 768 non-interlaced	SW1/5	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 1M x 36	NONE	NONE	NONE
5MB	(1) 1M x 36	(1) 256K x 36	NONE	NONE
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
9MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	NONE
10MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 36	NONE	NONE	NONE
17MB	(1) 4M x 36	(1) 256K x 36	NONE	NONE
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	NONE
20MB	(1) 4M x 36	(1) 1M x 36	NONE	NONE
24MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	NONE
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
33MB	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36	NONE
34MB	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
36MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	NONE
40MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

VGA REFRESH CONFIGURATION
Refresh rate		SW1/3	SW1/4
»	800 x 600 x 16 at 56Hz or 800 x 600 x 256 at 56Hz	On	On
	800 x 600 x 16 at 72Hz or 800 x 600 x 256 at 56Hz	On	Off
	800 x 600 x 16 at 60Hz or 800 x 600 x 256 at 60Hz	Off	On
	800 x 600 x 16 at 72Hz or 800 x 600 x 256 at 60Hz	Off	Off

VRAM CONFIGURATION
Size	Bank 0
256KB	NONE
512KB	(2) 44256 ZIPPs