ACHI-156 Motherboard Settings and Configuration

ACHITEC CORPORATION, LTD.

ACHI-156

Device Type
Mainboard
Processor
CX 6X86/IBM 6X86/CX 686MX/IBM 6X86MX/IDT/AM K5/
AM K6/Pentium
Processor Speed
120/133/150/166/180/200/233/266/300/333MHz
Chip Set
VIA
Video Chip Set
None
Maximum Onboard Memory
1GB (EDO & SDRAM supported)
Maximum Video Memory
None
Cache
512KB
BIOS
Award
Dimensions
220mm x 220mm
I/O Options
32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
AGP slot
AGP
IDE interface LED
J14
ATX power connector
ATX
Soft off power supply
J15
Serial port
CN1
Reset switch
J16
Serial port
CN2
Green PC LED
J17
Parallel port
CN3
Turbo switch
J18
Floppy drive interface
CN4
Power LED & keylock
J19
IDE interface
CN5
Speaker
J20
IDE interface
CN6
32-bit PCI slots
PC1 - PC3
PS/2 mouse interface
CN7
USB connector
USB
IR connector
J3

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Factory configured - do not alter
C1
Unidentified
»
Factory configured - do not alter
C2
Unidentified
»
Factory configured - do not alter
C3
Unidentified
»
Factory configured - do not alter
C4
Unidentified

Power supply select AT
J11
Pins 1 & 2 closed

Power supply select ATX
J11
Pins 2 & 3 closed
»
CMOS memory normal operation
J12
Pins 1 & 2 closed

CMOS memory clear
J12
Pins 2 & 3 closed

SIMM CONFIGURATION
Size
Bank 0
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
512MB
(2) 64M x 36
Note: Board accepts EDO memory.

DIMM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(1) 1M x 64
None
16MB
(1) 2M x 64
None
16MB
(1) 1M x 64
(1) 1M x 64
24MB
(1) 2M x 64
(1) 1M x 64
32MB
(1) 4M x 64
None
32MB
(1) 2M x 64
(1) 2M x 64
40MB
(1) 4M x 64
(1) 1M x 64
48MB
(1) 4M x 64
(1) 2M x 64
64MB
(1) 8M x 64
None
64MB
(1) 4M x 64
(1) 4M x 64
72MB
(1) 8M x 64
(1) 1M x 64
80MB
(1) 8M x 64
(1) 2M x 64
96MB
(1) 8M x 64
(1) 4M x 64
128MB
(1) 16M x 64
None
128MB
(1) 8M x 64
(1) 8M x 64
136MB
(1) 16M x 64
(1) 1M x 64
144MB
(1) 16M x 64
(1) 2M x 64
160MB
(1) 16M x 64
(1) 4M x 64
192MB
(1) 16M x 64
(1) 8M x 64
256MB
(1) 32M x 64
None
256MB
(1) 16M x 64
(1) 16M x 64
264MB
(1) 32M x 64
(1) 1M x 64
272MB
(1) 32M x 64
(1) 2M x 64
288MB
(1) 32M x 64
(1) 4M x 64
320MB
(1) 32M x 64
(1) 8M x 64
384MB
(1) 32M x 64
(1) 16M x 64
512MB
(1) 32M x 64
(1) 32M x 64
512MB
(1) 64M x 64
None
520MB
(1) 64M x 64
(1) 1M x 64
528MB
(1) 64M x 64
(1) 2M x 64
544MB
(1) 64M x 64
(1) 4M x 64
576MB
(1) 64M x 64
(1) 8M x 64
640MB
(1) 64M x 64
(1) 16M x 64
768MB
(1) 64M x 64
(1) 32M x 64
1024MB
(1) 64M x 64
(1) 64M x 64
Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION
Voltage
J6
J7
3.3v
Pins 2 & 3 closed
Pins 2 & 3 closed
5v
Pins 1 & 2 closed
Pins 1 & 2 closed

CACHE CONFIGURATION
Size
Bank 0
512KB
(1) 64K x 64

CPU SPEED SELECTION (CX 6X86)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
150MHz
60MHz
2x
On
Off
Off
Off
On
On
166MHz
66MHz
2x
On
Off
Off
On
Off
On
166MHz
60MHz
2.5x
On
On
Off
Off
On
On
200MHz
75MHz
2x
On
Off
Off
Off
On
Off

CPU SPEED SELECTION (IBM 6X86)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
150MHz
60MHz
2x
On
Off
Off
Off
On
On
166MHz
66MHz
2x
On
Off
Off
On
Off
On
166MHz
60MHz
2.5x
On
On
Off
Off
On
On
200MHz
75MHz
2x
On
Off
Off
Off
On
Off

CPU SPEED SELECTION (CX 6X86MX)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
233MHz
75MHz
2.5x
On
On
Off
Off
On
Off
233MHz
66MHz
3x
Off
On
Off
On
Off
On
266MHz
75MHz
3x
Off
On
Off
Off
On
Off
266MHz
66MHz
3.5x
Off
Off
Off
On
Off
On

CPU SPEED SELECTION (IBM 6X86MX)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
233MHz
75MHz
2.5x
On
On
Off
Off
On
Off
233MHz
66MHz
3x
Off
On
Off
On
Off
On
266MHz
75MHz
3x
Off
On
Off
Off
On
Off
266MHz
66MHz
3.5x
Off
Off
Off
On
Off
On

CPU SPEED SELECTION (IDT)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
180MHz
60MHz
3x
Off
On
Off
Off
On
On
200MHz
66MHz
3x
Off
On
Off
On
Off
On

CPU SPEED SELECTION (AM K5)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
120MHz
60MHz
2x
On
Off
Off
Off
On
On
133MHz
66MHz
2x
On
Off
Off
On
Off
On
150MHz
60MHz
2.5x
On
On
Off
Off
On
On
166MHz
66MHz
2.5x
On
On
Off
On
Off
On

CPU SPEED SELECTION (AM K6)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
166MHz
66MHz
2.5x
On
On
Off
On
Off
On
180MHz
60MHz
3x
Off
On
Off
Off
On
On
200MHz
66MHz
3x
Off
On
Off
On
Off
On
233MHz
66MHz
3.5x
Off
Off
Off
On
Off
On
266MHz
66MHz
4x
On
On
On
On
Off
On
300MHz
66MHz
4.5x
On
On
On
On
Off
On
333MHz
66MHz
5x
Off
On
On
On
Off
On

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
120MHz
60MHz
2x
On
Off
Off
Off
On
On
133MHz
66MHz
2x
On
Off
Off
On
Off
On
150MHz
60MHz
2.5x
On
On
Off
Off
On
On
166MHz
66MHz
2.5x
On
On
Off
On
Off
On
180MHz
60MHz
3x
Off
On
Off
Off
On
On
200MHz
66MHz
3x
Off
On
Off
On
Off
On

CPU SPEED SELECTION (INTEL MMX)
CPU speed
Clock speed
Multiplier
S1/1
S1/2
S1/3
S1/4
S1/5
S1/6
180MHz
60MHz
3x
Off
On
Off
Off
On
On
200MHz
66MHz
3x
Off
On
Off
On
Off
On
233MHz
66MHz
3.5x
Off
Off
Off
On
Off
On
266MHz
66MHz
4x
On
On
On
On
Off
On
300MHz
66MHz
4.5x
On
On
On
On
Off
On
333MHz
66MHz
5x
Off
On
On
On
Off
On

CPU VOLTAGE SELECTION
Voltage
SW1/1
SW1/2
SW1/3
SW1/4
2.0
Off
Off
Off
Off
2.1
On
Off
Off
Off
2.2
Off
On
Off
Off
2.3
On
On
Off
Off
2.4
Off
Off
On
Off
2.5
On
Off
On
Off
2.6
Off
On
On
Off
2.7
On
On
On
Off
2.8
Off
Off
Off
On
2.9
On
Off
Off
On
3.0
Off
On
Off
On
3.1
On
On
Off
On
3.2
Off
Off
On
On
3.3
On
Off
On
On
3.4
Off
On
On
On
3.5
On
On
On
On

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Device Type	Mainboard
Processor	CX 6X86/IBM 6X86/CX 686MX/IBM 6X86MX/IDT/AM K5/ AM K6/Pentium
Processor Speed	120/133/150/166/180/200/233/266/300/333MHz
Chip Set	VIA
Video Chip Set	None
Maximum Onboard Memory	1GB (EDO & SDRAM supported)
Maximum Video Memory	None
Cache	512KB
BIOS	Award
Dimensions	220mm x 220mm
I/O Options	32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
AGP slot	AGP	IDE interface LED	J14
ATX power connector	ATX	Soft off power supply	J15
Serial port	CN1	Reset switch	J16
Serial port	CN2	Green PC LED	J17
Parallel port	CN3	Turbo switch	J18
Floppy drive interface	CN4	Power LED & keylock	J19
IDE interface	CN5	Speaker	J20
IDE interface	CN6	32-bit PCI slots	PC1 - PC3
PS/2 mouse interface	CN7	USB connector	USB
IR connector	J3

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	C1	Unidentified
»	Factory configured - do not alter	C2	Unidentified
»	Factory configured - do not alter	C3	Unidentified
»	Factory configured - do not alter	C4	Unidentified
	Power supply select AT	J11	Pins 1 & 2 closed
	Power supply select ATX	J11	Pins 2 & 3 closed
»	CMOS memory normal operation	J12	Pins 1 & 2 closed
	CMOS memory clear	J12	Pins 2 & 3 closed

SIMM CONFIGURATION
Size	Bank 0
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
512MB	(2) 64M x 36
Note: Board accepts EDO memory.

DIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(1) 1M x 64	None
16MB	(1) 2M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 8M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 16M x 64	None
128MB	(1) 8M x 64	(1) 8M x 64
136MB	(1) 16M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64
256MB	(1) 32M x 64	None
256MB	(1) 16M x 64	(1) 16M x 64
264MB	(1) 32M x 64	(1) 1M x 64
272MB	(1) 32M x 64	(1) 2M x 64
288MB	(1) 32M x 64	(1) 4M x 64
320MB	(1) 32M x 64	(1) 8M x 64
384MB	(1) 32M x 64	(1) 16M x 64
512MB	(1) 32M x 64	(1) 32M x 64
512MB	(1) 64M x 64	None
520MB	(1) 64M x 64	(1) 1M x 64
528MB	(1) 64M x 64	(1) 2M x 64
544MB	(1) 64M x 64	(1) 4M x 64
576MB	(1) 64M x 64	(1) 8M x 64
640MB	(1) 64M x 64	(1) 16M x 64
768MB	(1) 64M x 64	(1) 32M x 64
1024MB	(1) 64M x 64	(1) 64M x 64
Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION
Voltage	J6	J7
3.3v	Pins 2 & 3 closed	Pins 2 & 3 closed
5v	Pins 1 & 2 closed	Pins 1 & 2 closed

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
150MHz	60MHz	2x	On	Off	Off	Off	On	On
166MHz	66MHz	2x	On	Off	Off	On	Off	On
166MHz	60MHz	2.5x	On	On	Off	Off	On	On
200MHz	75MHz	2x	On	Off	Off	Off	On	Off

CPU SPEED SELECTION (IBM 6X86)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
150MHz	60MHz	2x	On	Off	Off	Off	On	On
166MHz	66MHz	2x	On	Off	Off	On	Off	On
166MHz	60MHz	2.5x	On	On	Off	Off	On	On
200MHz	75MHz	2x	On	Off	Off	Off	On	Off

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
233MHz	75MHz	2.5x	On	On	Off	Off	On	Off
233MHz	66MHz	3x	Off	On	Off	On	Off	On
266MHz	75MHz	3x	Off	On	Off	Off	On	Off
266MHz	66MHz	3.5x	Off	Off	Off	On	Off	On

CPU SPEED SELECTION (IBM 6X86MX)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
233MHz	75MHz	2.5x	On	On	Off	Off	On	Off
233MHz	66MHz	3x	Off	On	Off	On	Off	On
266MHz	75MHz	3x	Off	On	Off	Off	On	Off
266MHz	66MHz	3.5x	Off	Off	Off	On	Off	On

CPU SPEED SELECTION (IDT)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
180MHz	60MHz	3x	Off	On	Off	Off	On	On
200MHz	66MHz	3x	Off	On	Off	On	Off	On

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
120MHz	60MHz	2x	On	Off	Off	Off	On	On
133MHz	66MHz	2x	On	Off	Off	On	Off	On
150MHz	60MHz	2.5x	On	On	Off	Off	On	On
166MHz	66MHz	2.5x	On	On	Off	On	Off	On

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
166MHz	66MHz	2.5x	On	On	Off	On	Off	On
180MHz	60MHz	3x	Off	On	Off	Off	On	On
200MHz	66MHz	3x	Off	On	Off	On	Off	On
233MHz	66MHz	3.5x	Off	Off	Off	On	Off	On
266MHz	66MHz	4x	On	On	On	On	Off	On
300MHz	66MHz	4.5x	On	On	On	On	Off	On
333MHz	66MHz	5x	Off	On	On	On	Off	On

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
120MHz	60MHz	2x	On	Off	Off	Off	On	On
133MHz	66MHz	2x	On	Off	Off	On	Off	On
150MHz	60MHz	2.5x	On	On	Off	Off	On	On
166MHz	66MHz	2.5x	On	On	Off	On	Off	On
180MHz	60MHz	3x	Off	On	Off	Off	On	On
200MHz	66MHz	3x	Off	On	Off	On	Off	On

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	S1/1	S1/2	S1/3	S1/4	S1/5	S1/6
180MHz	60MHz	3x	Off	On	Off	Off	On	On
200MHz	66MHz	3x	Off	On	Off	On	Off	On
233MHz	66MHz	3.5x	Off	Off	Off	On	Off	On
266MHz	66MHz	4x	On	On	On	On	Off	On
300MHz	66MHz	4.5x	On	On	On	On	Off	On
333MHz	66MHz	5x	Off	On	On	On	Off	On

CPU VOLTAGE SELECTION
Voltage	SW1/1	SW1/2	SW1/3	SW1/4
2.0	Off	Off	Off	Off
2.1	On	Off	Off	Off
2.2	Off	On	Off	Off
2.3	On	On	Off	Off
2.4	Off	Off	On	Off
2.5	On	Off	On	Off
2.6	Off	On	On	Off
2.7	On	On	On	Off
2.8	Off	Off	Off	On
2.9	On	Off	Off	On
3.0	Off	On	Off	On
3.1	On	On	Off	On
3.2	Off	Off	On	On
3.3	On	Off	On	On
3.4	Off	On	On	On
3.5	On	On	On	On