TX531 Motherboard Settings and Configuration

DATAEXPERT CORPORATION

TX531

Device Type
Mainboard
Processor
CX 6X86/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed
90/100/120/133/150/166/200/233MHz
Chip Set
Acer
Maximum Onboard Memory
256MB (EDO & SDRAM supported)
Cache
512KB
BIOS
AMI
Dimensions
250mm x 220mm
I/O Options
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), USB connector

CONNECTIONS
Purpose
Location
Purpose
Location
PS/2 mouse port
CN1
CPU fan power
J9
Serial port 2
CN2
Turbo LED
J10
Parallel port
CN3
IDE interface LED
J11
Floppy drive interface
CN4
Reset switch
J12
IDE interface 2
CN5
Speaker
J13
IDE interface 1
CN6
Power LED & keylock
J14
Serial port 1
CN7
USB connector
JP1
Green PC connector
J8
32-bit PCI slots
PC1 – PC4

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Factory configured - do not alter
J3
Unidentified
»
CMOS memory normal operation
JP2
Open

CMOS memory clear
JP2
Closed
»
Flash BIOS voltage select 5v
JP3
Pins 1 & 2 closed

Flash BIOS voltage select 12v
JP3
Pins 2 & 3 closed
»
Factory configured - do not alter
JP5
Unidentified

CPU mode select interleave
JP8
Open

CPU mode select burst
JP8
Closed

SIMM 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
24MB
(2) 2M x 36
(2) 1M x 36
32MB
(2) 4M x 36
None
32MB
(2) 2M x 36
(2) 2M 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
80MB
(2) 8M x 36
(2) 2M x 36
96MB
(2) 8M x 36
(2) 4M x 36

SIMM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
128MB
(2) 8M x 36
(2) 8M x 36
128MB
(2) 16M x 36
None
136MB
(2) 16M x 36
(2) 1M x 36
144MB
(2) 16M x 36
(2) 2M x 36
160MB
(2) 16M x 36
(2) 4M x 36
192MB
(2) 16M x 36
(2) 8M x 36
256MB
(2) 16M x 36
(2) 16M 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) 16M x 64
(1) 16M x 64
Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION
Voltage
JP6
»
3v
Pins 5 & 6, 7 & 8 closed

5v
Pins 1 & 2, 3 & 4 closed

CACHE CONFIGURATION
Size
Bank 0
TAG
512KB
(2) 64K x 32
(1) 32K x 8

CPU SPEED SELECTION (CX 6X86)
CPU speed
Clock speed
Multiplier
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
133MHz
55MHz
2x
On
Off
Off
On
On
Off
150MHz
60MHz
2x
On
Off
Off
On
Off
Off
166MHz
66MHz
2x
On
Off
Off
Off
Off
Off
200MHz
75MHz
2x
On
Off
Off
Off
On
On

CPU SPEED SELECTION (CX 6X86MX)
CPU speed
Clock speed
Multiplier
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
166MHz
66MHz
2.5x
On
On
Off
On
Off
Off
200MHz
66MHz
2.5x
On
On
Off
Off
Off
Off
233MHz
75MHz
2.5x
On
On
Off
Off
On
On

CPU SPEED SELECTION (AM K5)
CPU speed
Clock speed
Multiplier
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
90MHz
60MHz
1.5x
Off
Off
Off
On
Off
Off
100MHz
66MHz
1.5x
Off
Off
Off
Off
Off
Off
120MHz
60MHz
1.5x
Off
Off
Off
On
Off
Off
133MHz
66MHz
1.5x
Off
Off
Off
Off
Off
Off
166MHz
66MHz
2.5x
On
On
Off
Off
Off
Off

CPU SPEED SELECTION (AM K6)
CPU speed
Clock speed
Multiplier
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
166MHz
66MHz
2.5x
On
On
Off
Off
Off
Off
200MHz
66MHz
3x
Off
On
Off
Off
Off
Off
233MHz
66MHz
3.5x
Off
Off
Off
Off
Off
Off

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
90MHz
60MHz
1.5x
Off
Off
Off
On
Off
Off
100MHz
66MHz
1.5x
Off
Off
Off
Off
Off
Off
120MHz
60MHz
2x
On
Off
Off
On
Off
Off
133MHz
66MHz
2x
On
Off
Off
Off
Off
Off
150MHz
60MHz
2.5x
On
On
Off
On
Off
Off
166MHz
66MHz
2.5x
On
On
Off
Off
Off
Off
200MHz
66MHz
3x
Off
On
Off
Off
Off
Off

CPU SPEED SELECTION (INTEL MMX)
CPU speed
Clock speed
Multiplier
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5
SW1/6
166MHz
66MHz
2.5x
On
On
Off
Off
Off
Off
200MHz
66MHz
3x
Off
On
Off
Off
Off
Off
233MHz
66MHz
3.5x
Off
Off
Off
Off
Off
Off

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TX531 Motherboard Settings and Configuration

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Device Type	Mainboard
Processor	CX 6X86/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed	90/100/120/133/150/166/200/233MHz
Chip Set	Acer
Maximum Onboard Memory	256MB (EDO & SDRAM supported)
Cache	512KB
BIOS	AMI
Dimensions	250mm x 220mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), USB connector

CONNECTIONS
Purpose	Location	Purpose	Location
PS/2 mouse port	CN1	CPU fan power	J9
Serial port 2	CN2	Turbo LED	J10
Parallel port	CN3	IDE interface LED	J11
Floppy drive interface	CN4	Reset switch	J12
IDE interface 2	CN5	Speaker	J13
IDE interface 1	CN6	Power LED & keylock	J14
Serial port 1	CN7	USB connector	JP1
Green PC connector	J8	32-bit PCI slots	PC1 – PC4

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J3	Unidentified
»	CMOS memory normal operation	JP2	Open
	CMOS memory clear	JP2	Closed
»	Flash BIOS voltage select 5v	JP3	Pins 1 & 2 closed
	Flash BIOS voltage select 12v	JP3	Pins 2 & 3 closed
»	Factory configured - do not alter	JP5	Unidentified
	CPU mode select interleave	JP8	Open
	CPU mode select burst	JP8	Closed

SIMM 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
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M 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
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
128MB	(2) 8M x 36	(2) 8M x 36
128MB	(2) 16M x 36	None
136MB	(2) 16M x 36	(2) 1M x 36
144MB	(2) 16M x 36	(2) 2M x 36
160MB	(2) 16M x 36	(2) 4M x 36
192MB	(2) 16M x 36	(2) 8M x 36
256MB	(2) 16M x 36	(2) 16M 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) 16M x 64	(1) 16M x 64
Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION
Voltage		JP6
»	3v	Pins 5 & 6, 7 & 8 closed
	5v	Pins 1 & 2, 3 & 4 closed

CACHE CONFIGURATION
Size	Bank 0	TAG
512KB	(2) 64K x 32	(1) 32K x 8

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
133MHz	55MHz	2x	On	Off	Off	On	On	Off
150MHz	60MHz	2x	On	Off	Off	On	Off	Off
166MHz	66MHz	2x	On	Off	Off	Off	Off	Off
200MHz	75MHz	2x	On	Off	Off	Off	On	On

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
166MHz	66MHz	2.5x	On	On	Off	On	Off	Off
200MHz	66MHz	2.5x	On	On	Off	Off	Off	Off
233MHz	75MHz	2.5x	On	On	Off	Off	On	On

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
90MHz	60MHz	1.5x	Off	Off	Off	On	Off	Off
100MHz	66MHz	1.5x	Off	Off	Off	Off	Off	Off
120MHz	60MHz	1.5x	Off	Off	Off	On	Off	Off
133MHz	66MHz	1.5x	Off	Off	Off	Off	Off	Off
166MHz	66MHz	2.5x	On	On	Off	Off	Off	Off

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
166MHz	66MHz	2.5x	On	On	Off	Off	Off	Off
200MHz	66MHz	3x	Off	On	Off	Off	Off	Off
233MHz	66MHz	3.5x	Off	Off	Off	Off	Off	Off

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
90MHz	60MHz	1.5x	Off	Off	Off	On	Off	Off
100MHz	66MHz	1.5x	Off	Off	Off	Off	Off	Off
120MHz	60MHz	2x	On	Off	Off	On	Off	Off
133MHz	66MHz	2x	On	Off	Off	Off	Off	Off
150MHz	60MHz	2.5x	On	On	Off	On	Off	Off
166MHz	66MHz	2.5x	On	On	Off	Off	Off	Off
200MHz	66MHz	3x	Off	On	Off	Off	Off	Off

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
166MHz	66MHz	2.5x	On	On	Off	Off	Off	Off
200MHz	66MHz	3x	Off	On	Off	Off	Off	Off
233MHz	66MHz	3.5x	Off	Off	Off	Off	Off	Off