STEP PREMIER Motherboard Settings and Configuration

EVEREX SYSTEMS, INC.

STEP PREMIER

Processor
Pentium
Processor Speed
75/90/100/120/133/150/166/200MHz
Chip Set
Unidentified
Video Chip Set
None
Maximum Onboard Memory
512MB (BEDO/EDO supported)
Maximum Video Memory
None
Cache
512KB
BIOS
AMI
Dimensions
254mm x 218mm
I/O Options
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Floppy drive interface
CN1
Green PC connector
CN10 pins 10 & 11
Parallel port
CN2
Green PC LED
CN10 pins 13 & 14
Serial port 2
CN3
Speaker
CN10 pins 15 - 18
Serial port 1
CN4
IDE interface LED
CN10 pins 20 & 21
IDE interface 2
CN5
Remote control power switch
CN10 pins 23 & 24
IDE interface 1
CN6
Reset switch
CN10 pins 27 & 28
USB connector
CN7
Chassis fan power
FAN
USB connector
CN8
IR connector
IR
PS/2 mouse interface
CN9
Remote control power connector
RPW
Power LED & keylock
CN10 pins 1 - 5
32-bit PCI slots
PC1 - PC4
Turbo LED
CN10 pins 7 & 8

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Password normal operation
CPS
Open

Password clear
CPS
Closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(2) 1M x 36
None
16MB
(2) 2M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
18MB
(2) 2M x 36
(2) 256K x 36
24MB
(2) 2M x 36
(2) 1M x 36
32MB
(2) 4M x 36
None
34MB
(2) 4M x 36
(2) 256K x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 4M x 36
(2) 2M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
72MB
(2) 8M x 36
(2) 1M x 36
96MB
(2) 8M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
256MB
(2) 16M x 36
(2) 16M x 36
512MB
(2) 32M x 36
(2) 32M x 36
Note: Board accepts BEDO/EDO memory.

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
512KB
(2) 32K x 32
(2) 32K x 32
Unidentified
Note: The size of the TAG chips are unidentified.

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
CLK1
CLK2
FREQ1
FREQ2
75MHz
50MHz
1.5x
2 & 3
2 & 3
1 & 2
1 & 2
90MHz
60MHz
1.5x
2 & 3
1 & 2
1 & 2
1 & 2
100MHz
66MHz
1.5x
1 & 2
2 & 3
1 & 2
1 & 2
120MHz
60MHz
2x
2 & 3
1 & 2
2 & 3
1 & 2
133MHz
66MHz
2x
1 & 2
2 & 3
2 & 3
1 & 2
150MHz
60MHz
2.5x
2 & 3
1 & 2
2 & 3
2 & 3
166MHz
66MHz
2.5x
1 & 2
2 & 3
2 & 3
2 & 3
200MHz
66MHz
3x
1 & 2
2 & 3
1 & 2
2 & 3

CPU VOLTAGE SELECTION
Voltage
VR1
VR2
3.384v (P54C STD/VR)
Pins 1 & 2 closed
Pins 3 & 4, 5 & 6 closed
3.49v (P54C VRE)
Pins 3 & 4 closed
Pins 3 & 4, 5 & 6 closed
2.5v/3.3v (P55C)
Pins 5 & 6 closed
Pins 1 & 2 closed

FLASH BIOS SELECTION
Type
EP1
EP2
»
SST 29EE010
Pins 2 & 3 closed
Pins 2 & 3 closed

Intel 28F010
Pins 1 & 2 closed
Pins 2 & 3 closed

Intel 28F001BX-T
Pins 1 & 2 closed
Pins 1 & 2 closed

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Processor	Pentium
Processor Speed	75/90/100/120/133/150/166/200MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	512MB (BEDO/EDO supported)
Maximum Video Memory	None
Cache	512KB
BIOS	AMI
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Floppy drive interface	CN1	Green PC connector	CN10 pins 10 & 11
Parallel port	CN2	Green PC LED	CN10 pins 13 & 14
Serial port 2	CN3	Speaker	CN10 pins 15 - 18
Serial port 1	CN4	IDE interface LED	CN10 pins 20 & 21
IDE interface 2	CN5	Remote control power switch	CN10 pins 23 & 24
IDE interface 1	CN6	Reset switch	CN10 pins 27 & 28
USB connector	CN7	Chassis fan power	FAN
USB connector	CN8	IR connector	IR
PS/2 mouse interface	CN9	Remote control power connector	RPW
Power LED & keylock	CN10 pins 1 - 5	32-bit PCI slots	PC1 - PC4
Turbo LED	CN10 pins 7 & 8

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Password normal operation	CPS	Open
	Password clear	CPS	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
18MB	(2) 2M x 36	(2) 256K x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
34MB	(2) 4M x 36	(2) 256K x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
256MB	(2) 16M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts BEDO/EDO memory.

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
512KB	(2) 32K x 32	(2) 32K x 32	Unidentified
Note: The size of the TAG chips are unidentified.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	CLK1	CLK2	FREQ1	FREQ2
75MHz	50MHz	1.5x	2 & 3	2 & 3	1 & 2	1 & 2
90MHz	60MHz	1.5x	2 & 3	1 & 2	1 & 2	1 & 2
100MHz	66MHz	1.5x	1 & 2	2 & 3	1 & 2	1 & 2
120MHz	60MHz	2x	2 & 3	1 & 2	2 & 3	1 & 2
133MHz	66MHz	2x	1 & 2	2 & 3	2 & 3	1 & 2
150MHz	60MHz	2.5x	2 & 3	1 & 2	2 & 3	2 & 3
166MHz	66MHz	2.5x	1 & 2	2 & 3	2 & 3	2 & 3
200MHz	66MHz	3x	1 & 2	2 & 3	1 & 2	2 & 3

CPU VOLTAGE SELECTION
Voltage	VR1	VR2
3.384v (P54C STD/VR)	Pins 1 & 2 closed	Pins 3 & 4, 5 & 6 closed
3.49v (P54C VRE)	Pins 3 & 4 closed	Pins 3 & 4, 5 & 6 closed
2.5v/3.3v (P55C)	Pins 5 & 6 closed	Pins 1 & 2 closed

FLASH BIOS SELECTION
Type		EP1	EP2
»	SST 29EE010	Pins 2 & 3 closed	Pins 2 & 3 closed
	Intel 28F010	Pins 1 & 2 closed	Pins 2 & 3 closed
	Intel 28F001BX-T	Pins 1 & 2 closed	Pins 1 & 2 closed