486V WITH ZIF SOCKET Motherboard Settings and Configuration

MICRONICS COMPUTERS, INC.

486V WITH ZIF SOCKET

Processor
80486SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed
25/33/50(internal)/66(internal)MHz
Chip Set
Unidentified
Max. Onboard DRAM
64MB
Cache
64/128/256KB (on external cache card)
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
External cache card, 32-bit VESA local bus slots (2), floppy drive interface, IDE interface (2), parallel port, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 1
J11
IDE interface (secondary)
J30
Parallel port
J12
External keyboard
J36
Serial port 2
J14
Reset switch
W15
Floppy drive interface
J15
Turbo LED
W17
IDE interface (primary)
J16
Turbo switch
W18
External battery
J24
IDE interface LED
W19
Speaker
J28
32-bit VESA local bus slots
SL1 & SL2
Power LED & keylock
J29
External cache card slot
SL3

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Parallel port unidirectional (printer)
W16
pins 1 & 2 closed

Parallel port bidirectional
W16
pins 2 & 3 closed
»
Flash BIOS write protect enabled
W20
pins 2 & 3 closed

Flash BIOS write protect disabled
W20
pins 1 & 2 closed
»
CPU type select 80486DX/DX2
W22
pins 1 & 2 closed

CPU type select Pentium Overdrive
W22
pins 2 & 3 closed
»
CPU type select 80486SX (do not install in ZIF socket)
W23
pins 1 & 2 closed

CPU type select non 80486SX
W23
pins 2 & 3 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
4MB
(1) 1M x 36
NONE
NONE
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
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
20MB
(1) 1M x 36
(1) 4M x 36
NONE
NONE
24MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
NONE
28MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
36MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
NONE
40MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
NONE
52MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36

DRAM SWITCH CONFIGURATION
Size
SW8/1
SW8/2
SW8/3
SW8/4
4MB
On
On
On
On
8MB
Off
On
On
On
12MB
On
Off
On
On
16MB
Off
Off
On
On
16MB
On
On
Off
On
20MB
On
On
Off
Off
24MB
On
Off
On
Off
28MB
Off
On
On
Off
32MB
Off
On
Off
On
36MB
On
Off
Off
Off
40MB
Off
Off
On
Off
48MB
On
Off
Off
On
52MB
Off
Off
Off
Off
64MB
Off
Off
Off
On
Note:This table corresponds exactly to the above DRAM configuration table.

CPU SPEED CONFIGURATION
Size
SW8/5
SW8/6
SW8/7
SW8/8
25MHz
Off
Off
On
Off
33MHz
Off
On
Off
Off
50iMHz
Off
Off
On
Off
66iMHz
Off
On
Off
Off

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486V WITH ZIF SOCKET Motherboard Settings and Configuration

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Processor	80486SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	64MB
Cache	64/128/256KB (on external cache card)
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	External cache card, 32-bit VESA local bus slots (2), floppy drive interface, IDE interface (2), parallel port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	J11	IDE interface (secondary)	J30
Parallel port	J12	External keyboard	J36
Serial port 2	J14	Reset switch	W15
Floppy drive interface	J15	Turbo LED	W17
IDE interface (primary)	J16	Turbo switch	W18
External battery	J24	IDE interface LED	W19
Speaker	J28	32-bit VESA local bus slots	SL1 & SL2
Power LED & keylock	J29	External cache card slot	SL3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Parallel port unidirectional (printer)	W16	pins 1 & 2 closed
	Parallel port bidirectional	W16	pins 2 & 3 closed
»	Flash BIOS write protect enabled	W20	pins 2 & 3 closed
	Flash BIOS write protect disabled	W20	pins 1 & 2 closed
»	CPU type select 80486DX/DX2	W22	pins 1 & 2 closed
	CPU type select Pentium Overdrive	W22	pins 2 & 3 closed
»	CPU type select 80486SX (do not install in ZIF socket)	W23	pins 1 & 2 closed
	CPU type select non 80486SX	W23	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	NONE	NONE	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
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
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	NONE
28MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	NONE
40MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	NONE
52MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

DRAM SWITCH CONFIGURATION
Size	SW8/1	SW8/2	SW8/3	SW8/4
4MB	On	On	On	On
8MB	Off	On	On	On
12MB	On	Off	On	On
16MB	Off	Off	On	On
16MB	On	On	Off	On
20MB	On	On	Off	Off
24MB	On	Off	On	Off
28MB	Off	On	On	Off
32MB	Off	On	Off	On
36MB	On	Off	Off	Off
40MB	Off	Off	On	Off
48MB	On	Off	Off	On
52MB	Off	Off	Off	Off
64MB	Off	Off	Off	On
Note:This table corresponds exactly to the above DRAM configuration table.

CPU SPEED CONFIGURATION
Size	SW8/5	SW8/6	SW8/7	SW8/8
25MHz	Off	Off	On	Off
33MHz	Off	On	Off	Off
50iMHz	Off	Off	On	Off
66iMHz	Off	On	Off	Off