VIPER 820 Motherboard Settings and Configuration

TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER 820

Processor
Pentium
Processor Speed
75/100/120/133/150/166/200/MHz
Chip Set
Intel
Video Chip Set
Cirrus Logic
Maximum Onboard Memory
256MB
Maximum Video Memory
1MB
Cache
256KB
BIOS
Award
Dimensions
181mm x 122mm
I/O Options
Floppy drive interface, IDE interface, SCSI interface, green PC connector, parallel port, PS/2 mouse interface, serial ports (2), VGA port, VGA feature connector, flat panel connector, PC/104 connectors (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
IDE interface
J1
Flat panel connector
J9
Floppy drive interface
J2
Serial port 1
J10
Keyboard, speaker, reset, LED
J3
PS/2 mouse interface
J11
Serial port 2
J4
Power connector
J12
SCSI interface
J5
VGA port
J13
Green PC connector
J6
Parallel port
J19
Chassis fan power
J7
PC/104 connectors
P1 & P2
VGA feature connector
J8
Regulator connector
P3

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Power fail monitoring disabled
W8
Open

Power fail monitoring enabled
W8
Closed
»
Power failure detection source external power fail (pin 6 on J12)
W9
Pins 1 & 2 closed

Power failure detection source internal/external battery <3v
W9
Pins 2 & 3 closed

Battery type select internal
W10
Pins 1 & 2 closed

Battery type select external
W10
Pins 2 & 3 closed
»
Flat panel voltage select 5v
W11
Pins 1 & 2 closed

Flat panel voltage select 3.3v
W11
Pins 2 & 3 closed
»
BIOS boot select normal boot
W18
Open

BIOS boot select emergency boot
W18
Closed
»
Watchdog timer enabled
W19
Closed

Watchdog timer disabled
W19
Open

SIMM CONFIGURATION
Size
Bank 0
2MB
(2) 256K x 36
4MB
(2) 512K x 36
8MB
(2) 1M x 36
16MB
(2) 2M x 36
32MB
(2) 4M x 36
64MB
(2) 8M x 36
128MB
(2) 16M x 36
256MB
(2) 32M x 36

CACHE CONFIGURATION
Note: 256KB cache is factory installed and is not configurable.

VIDEO MEMORY CONFIGURATION
Note: 1MB video memory is factory installed and is not configurable.

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
W2
W3
W13
W14
W15
75MHz
50MHz
1.5x
Closed
Closed
Open
Open
Open
100MHz
66MHz
1.5x
Open
Closed
Closed
Open
Open
120MHz
60MHz
2x
Closed
Open
Open
Closed
Open
133MHz
66MHz
2x
Open
Closed
Closed
Closed
Open
150MHz
60MHz
2.5x
Closed
Open
Open
Closed
Closed
166MHz
66MHz
2.5x
Open
Closed
Closed
Closed
Closed
200MHz
66MHz
3x
Open
Closed
Closed
Open
Closed

SERIAL PORT 2 TERMINATION SELECTION
Setting
W6
W7
»
Disabled
Open
Open

Enabled
Closed
Closed

BASE I/O SELECTION
Address
W16
»
190H
Pins 1 & 2, 3 & 4 closed

290H
Pins 1 & 2 closed

390H
Pins 3 & 4 closed

390H
Open

EXTENDED BIOS MODE SELECTION
Setting
W17

VT100
Pins 3 & 4 closed

Serial download
Pins 1 & 2 closed
»
Standard mode
Pins 3 & 4 closed
»
Normal mode
Pins 1 & 2 closed

TERMINATION SELECTION
Setting
W1
»
Hardware configuration
Pins 2 & 3 closed

Software configuration
Pins 1 & 2 closed

Disabled
Open

FEATURE CONNECTOR SELECTION
Setting
W4
W5
»
Disabled
Closed
Open

Enabled
Open
Closed

V-port
Open
Open

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VIPER 820 Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	75/100/120/133/150/166/200/MHz
Chip Set	Intel
Video Chip Set	Cirrus Logic
Maximum Onboard Memory	256MB
Maximum Video Memory	1MB
Cache	256KB
BIOS	Award
Dimensions	181mm x 122mm
I/O Options	Floppy drive interface, IDE interface, SCSI interface, green PC connector, parallel port, PS/2 mouse interface, serial ports (2), VGA port, VGA feature connector, flat panel connector, PC/104 connectors (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface	J1	Flat panel connector	J9
Floppy drive interface	J2	Serial port 1	J10
Keyboard, speaker, reset, LED	J3	PS/2 mouse interface	J11
Serial port 2	J4	Power connector	J12
SCSI interface	J5	VGA port	J13
Green PC connector	J6	Parallel port	J19
Chassis fan power	J7	PC/104 connectors	P1 & P2
VGA feature connector	J8	Regulator connector	P3

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Power fail monitoring disabled	W8	Open
	Power fail monitoring enabled	W8	Closed
»	Power failure detection source external power fail (pin 6 on J12)	W9	Pins 1 & 2 closed
	Power failure detection source internal/external battery <3v	W9	Pins 2 & 3 closed
	Battery type select internal	W10	Pins 1 & 2 closed
	Battery type select external	W10	Pins 2 & 3 closed
»	Flat panel voltage select 5v	W11	Pins 1 & 2 closed
	Flat panel voltage select 3.3v	W11	Pins 2 & 3 closed
»	BIOS boot select normal boot	W18	Open
	BIOS boot select emergency boot	W18	Closed
»	Watchdog timer enabled	W19	Closed
	Watchdog timer disabled	W19	Open

SIMM CONFIGURATION
Size	Bank 0
2MB	(2) 256K x 36
4MB	(2) 512K x 36
8MB	(2) 1M x 36
16MB	(2) 2M x 36
32MB	(2) 4M x 36
64MB	(2) 8M x 36
128MB	(2) 16M x 36
256MB	(2) 32M x 36

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	W2	W3	W13	W14	W15
75MHz	50MHz	1.5x	Closed	Closed	Open	Open	Open
100MHz	66MHz	1.5x	Open	Closed	Closed	Open	Open
120MHz	60MHz	2x	Closed	Open	Open	Closed	Open
133MHz	66MHz	2x	Open	Closed	Closed	Closed	Open
150MHz	60MHz	2.5x	Closed	Open	Open	Closed	Closed
166MHz	66MHz	2.5x	Open	Closed	Closed	Closed	Closed
200MHz	66MHz	3x	Open	Closed	Closed	Open	Closed

SERIAL PORT 2 TERMINATION SELECTION
Setting		W6	W7
»	Disabled	Open	Open
	Enabled	Closed	Closed

BASE I/O SELECTION
Address		W16
»	190H	Pins 1 & 2, 3 & 4 closed
	290H	Pins 1 & 2 closed
	390H	Pins 3 & 4 closed
	390H	Open

EXTENDED BIOS MODE SELECTION
Setting		W17
	VT100	Pins 3 & 4 closed
	Serial download	Pins 1 & 2 closed
»	Standard mode	Pins 3 & 4 closed
»	Normal mode	Pins 1 & 2 closed

TERMINATION SELECTION
Setting		W1
»	Hardware configuration	Pins 2 & 3 closed
	Software configuration	Pins 1 & 2 closed
	Disabled	Open

FEATURE CONNECTOR SELECTION
Setting		W4	W5
»	Disabled	Closed	Open
	Enabled	Open	Closed
	V-port	Open	Open