SY-5SM2/M5 Motherboard Settings and Configuration

SOYO COMPUTER CO., LTD.

SY-5SM2/M5

Processor
CX M1/Pentium
Processor Speed
75/90/100/120/133/150/166/180/200MHz
Chip Set
SIS
Maximum Onboard Memory
256MB
Cache
256/512KB
BIOS
Award
Dimensions
330mm x 220mm
I/O Options
32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface, cache slot, audio connector, wave table connector, VRM connector
NPU Options
None

CONNECTIONS
Function
Label
Function
Label
Serial port 2
CN1
Speaker
J18
Serial port 1
CN2
Reset switch
J19
Floppy drive interface
CN3
External battery
J20
Parallel port
CN4
Turbo LED
J22
IDE interface 2
CN5
Green PC connector
JP25
IDE interface 1
CN6
VRM connector
JP46
VGA interface
CN7
Wave table connector
JP52
VGA feature connector
CN8
IDE interface LED 1
LED1
Audio connector
CN9
IDE interface LED 2
LED2
PS/2 mouse interface
J1
32-bit PCI slots
PC1 - PC3
Power LED & keylock
J17
Cache slot
SL1
Note: CN7, CN8 and JP46 are optional and may not be present.

USER CONFIGURABLE SETTINGS
Setting
Label
Position
»
Factory configured - do not alter
J21
Unidentified
»
Monitor type select color
JP3
Closed

Monitor type select monochrome
JP3
Open
»
CMOS memory normal operation
JP5
Pins 1 & 2 closed

CMOS memory clear
JP5
Pins 2 & 3 closed
»
Factory configured - do not alter
JP28
Unidentified
»
Factory configured - do not alter
JP29
Unidentified
»
Factory configured - do not alter
JP30
Pins 3 & 5, 4 & 6 closed
»
Factory configured - do not alter
JP31
Unidentified
»
Factory configured - do not alter
JP32
Pins 2 & 3 closed
»
Pipeline mode enabled
JP33
Pins 2 & 3 closed

Pipeline mode disabled
JP33
Pins 1 & 2 closed
»
Cache type select write back
JP34
Pins 1 & 2 closed

Cache type select write through
JP34
Pins 2 & 3 closed
»
Factory configured - do not alter
JP36
Closed
»
Factory configured - do not alter
JP37
Closed
»
Factory configured - do not alter
JP47
Unidentified
»
Factory configured - do not alter
JP48
Pins 1 & 2 closed
»
Factory configured - do not alter
JP50
Closed
»
Factory configured - do not alter
JP51
Closed
»
Factory configured - do not alter
JP53
Closed
»
PS/2 mouse disabled
JPS2
Open

PS/2 mouse enabled
JPS2
Closed

DRAM
Size
Bank 0
Bank 1
Bank 2
Bank 3
2MB
None
(1) 512K x 32
None
None
2MB
None
None
None
(1) 512K x 32
2MB
(1) 256K x 36
(1) 256K x 36
None
None
4MB
None
(1) 1M x 32
None
None
4MB
None
None
None
(1) 1M x 32
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
4MB
(1) 512K x 36
(1) 512K x 36
None
None
6MB
(1) 512K x 36
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
6MB
(1) 256K x 36
(1) 256K x 36
(1) 512K x 36
(1) 512K x 36
8MB
None
(1) 2M x 32
None
None
8MB
None
None
None
(1) 2M x 32
8MB
(1) 1M x 36
(1) 1M x 36
None
None
8MB
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
10MB
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
10MB
(1) 256K x 36
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
12MB
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
12MB
(1) 512K x 36
(1) 512K x 36
(1) 1M x 36
(1) 1M x 36
16MB
None
(1) 4M x 32
None
None
16MB
None
None
None
(1) 4M x 32
16MB
(1) 2M x 36
(1) 2M x 36
None
None
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
18MB
(1) 2M x 36
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
18MB
(1) 256K x 36
(1) 256K x 36
(1) 2M x 36
(1) 2M x 36
20MB
(1) 2M x 36
(1) 2M x 36
(1) 512K x 36
(1) 512K x 36
20MB
(1) 512K x 36
(1) 512K x 36
(1) 2M x 36
(1) 2M x 36
24MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
24MB
(1) 1M x 36
(1) 1M x 36
(1) 2M x 36
(1) 2M x 36
32MB
(1) 4M x 36
(1) 4M x 36
None
None
32MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
34MB
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
34MB
(1) 256K x 36
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
36MB
(1) 4M x 36
(1) 4M x 36
(1) 512K x 36
(1) 512K x 36
36MB
(1) 512K x 36
(1) 512K x 36
(1) 4M x 36
(1) 4M x 36
40MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
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) 2M x 36
(1) 2M x 36
48MB
(1) 2M x 36
(1) 2M x 36
(1) 4M x 36
(1) 4M x 36
64MB
None
(1) 16M x 32
None
None
64MB
None
None
None
(1) 16M x 32
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
128MB
(1) 16M x 36
(1) 16M x 36
None
None

DRAM (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
130MB
(1) 16M x 36
(1) 16M x 36
(1) 256K x 36
(1) 256K x 36
130MB
(1) 256K x 36
(1) 256K x 36
(1) 16M x 36
(1) 16M x 36
132MB
(1) 16M x 36
(1) 16M x 36
(1) 512K x 36
(1) 512K x 36
132MB
(1) 512K x 36
(1) 512K x 36
(1) 16M x 36
(1) 16M x 36
136MB
(1) 16M x 36
(1) 16M x 36
(1) 1M x 36
(1) 1M x 36
136MB
(1) 1M x 36
(1) 1M x 36
(1) 16M x 36
(1) 16M x 36
144MB
(1) 16M x 36
(1) 16M x 36
(1) 2M x 36
(1) 2M x 36
144MB
(1) 2M x 36
(1) 2M x 36
(1) 16M x 36
(1) 16M x 36
160MB
(1) 16M x 36
(1) 16M x 36
(1) 4M x 36
(1) 4M x 36
160MB
(1) 4M x 36
(1) 4M x 36
(1) 16M x 36
(1) 16M x 36
256MB
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
Note: Board accepts EDO memory. Board also accepts X 32 SIMMs. If only Bank 1 or Bank 3 is populated, x 32 SIMMs must be used.

CACHE SIZE
Size
Bank 0
TAG
SL1
256KB
(2) 32K x 32
(1) 8K/16K x 8
Not installed
512KB
(2) 32K x 32
(1) 16K/32K x 8
Installed

CACHE JUMPER
Size
JP26
JP27
256KB
Pins 1 & 2 closed
Pins 1 & 2 closed
512KB
Pins 2 & 3 closed
Pins 1 & 2 closed

CPU BURST MODE TYPE
Setting
JP40
Cyrix (linear burst)
Pins 2 & 3 closed
Intel (interleave burst)
Pins 1 & 2 closed

CPU SPEED (CYRIX)
Setting
Multiplier
JP23
JP24
JP38
JP42
120MHz
2x
Closed
Closed
Pins 2 & 3 closed
Open
150MHz
2x
Closed
Open
Pins 2 & 3 closed
Open
166MHz
2x
Open
Closed
Pins 2 & 3 closed
Open
200MHz
3x
Closed
Closed
Pins 1 & 2 closed
Open

CPU SPEED (INTEL)
Setting
Multiplier
JP23
JP24
JP38
JP42
75MHz
1.5x
Closed
Closed
Pins 1 & 2 closed
Open
90MHz
1.5x
Closed
Open
Pins 1 & 2 closed
Open
100MHz
1.5x
Open
Closed
Pins 1 & 2 closed
Open
100MHz
2x
Closed
Closed
Pins 2 & 3 closed
Open
120MHz
2x
Closed
Open
Pins 2 & 3 closed
Open
133MHz
2x
Open
Closed
Pins 2 & 3 closed
Open
150MHz
2.5x
Closed
Open
Pins 2 & 3 closed
Closed
166MHz
2.5x
Open
Closed
Pins 2 & 3 closed
Closed
180MHz
3x
Closed
Closed
Pins 1 & 2 closed
Closed
200MHz
3x
Open
Closed
Pins 1 & 2 closed
Closed

CPU VOLTAGE
Setting
JP43
JP44
JP45
3.3v
Closed
Open
Open
3.45v - 3.6v
Open
Closed
Open

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Processor	CX M1/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200MHz
Chip Set	SIS
Maximum Onboard Memory	256MB
Cache	256/512KB
BIOS	Award
Dimensions	330mm x 220mm
I/O Options	32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface, cache slot, audio connector, wave table connector, VRM connector
NPU Options	None

CONNECTIONS
Function	Label	Function	Label
Serial port 2	CN1	Speaker	J18
Serial port 1	CN2	Reset switch	J19
Floppy drive interface	CN3	External battery	J20
Parallel port	CN4	Turbo LED	J22
IDE interface 2	CN5	Green PC connector	JP25
IDE interface 1	CN6	VRM connector	JP46
VGA interface	CN7	Wave table connector	JP52
VGA feature connector	CN8	IDE interface LED 1	LED1
Audio connector	CN9	IDE interface LED 2	LED2
PS/2 mouse interface	J1	32-bit PCI slots	PC1 - PC3
Power LED & keylock	J17	Cache slot	SL1
Note: CN7, CN8 and JP46 are optional and may not be present.

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Factory configured - do not alter	J21	Unidentified
»	Monitor type select color	JP3	Closed
	Monitor type select monochrome	JP3	Open
»	CMOS memory normal operation	JP5	Pins 1 & 2 closed
	CMOS memory clear	JP5	Pins 2 & 3 closed
»	Factory configured - do not alter	JP28	Unidentified
»	Factory configured - do not alter	JP29	Unidentified
»	Factory configured - do not alter	JP30	Pins 3 & 5, 4 & 6 closed
»	Factory configured - do not alter	JP31	Unidentified
»	Factory configured - do not alter	JP32	Pins 2 & 3 closed
»	Pipeline mode enabled	JP33	Pins 2 & 3 closed
	Pipeline mode disabled	JP33	Pins 1 & 2 closed
»	Cache type select write back	JP34	Pins 1 & 2 closed
	Cache type select write through	JP34	Pins 2 & 3 closed
»	Factory configured - do not alter	JP36	Closed
»	Factory configured - do not alter	JP37	Closed
»	Factory configured - do not alter	JP47	Unidentified
»	Factory configured - do not alter	JP48	Pins 1 & 2 closed
»	Factory configured - do not alter	JP50	Closed
»	Factory configured - do not alter	JP51	Closed
»	Factory configured - do not alter	JP53	Closed
»	PS/2 mouse disabled	JPS2	Open
	PS/2 mouse enabled	JPS2	Closed

DRAM
Size	Bank 0	Bank 1	Bank 2	Bank 3
2MB	None	(1) 512K x 32	None	None
2MB	None	None	None	(1) 512K x 32
2MB	(1) 256K x 36	(1) 256K x 36	None	None
4MB	None	(1) 1M x 32	None	None
4MB	None	None	None	(1) 1M x 32
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 512K x 36	(1) 512K x 36	None	None
6MB	(1) 512K x 36	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36
6MB	(1) 256K x 36	(1) 256K x 36	(1) 512K x 36	(1) 512K x 36
8MB	None	(1) 2M x 32	None	None
8MB	None	None	None	(1) 2M x 32
8MB	(1) 1M x 36	(1) 1M x 36	None	None
8MB	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36
10MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
10MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36
12MB	(1) 512K x 36	(1) 512K x 36	(1) 1M x 36	(1) 1M x 36
16MB	None	(1) 4M x 32	None	None
16MB	None	None	None	(1) 4M x 32
16MB	(1) 2M x 36	(1) 2M x 36	None	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
18MB	(1) 2M x 36	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36
18MB	(1) 256K x 36	(1) 256K x 36	(1) 2M x 36	(1) 2M x 36
20MB	(1) 2M x 36	(1) 2M x 36	(1) 512K x 36	(1) 512K x 36
20MB	(1) 512K x 36	(1) 512K x 36	(1) 2M x 36	(1) 2M x 36
24MB	(1) 2M x 36	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36
24MB	(1) 1M x 36	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36
32MB	(1) 4M x 36	(1) 4M x 36	None	None
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
34MB	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
34MB	(1) 256K x 36	(1) 256K x 36	(1) 4M x 36	(1) 4M x 36
36MB	(1) 4M x 36	(1) 4M x 36	(1) 512K x 36	(1) 512K x 36
36MB	(1) 512K x 36	(1) 512K x 36	(1) 4M x 36	(1) 4M x 36
40MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
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) 2M x 36	(1) 2M x 36
48MB	(1) 2M x 36	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36
64MB	None	(1) 16M x 32	None	None
64MB	None	None	None	(1) 16M x 32
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
128MB	(1) 16M x 36	(1) 16M x 36	None	None

DRAM (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
130MB	(1) 16M x 36	(1) 16M x 36	(1) 256K x 36	(1) 256K x 36
130MB	(1) 256K x 36	(1) 256K x 36	(1) 16M x 36	(1) 16M x 36
132MB	(1) 16M x 36	(1) 16M x 36	(1) 512K x 36	(1) 512K x 36
132MB	(1) 512K x 36	(1) 512K x 36	(1) 16M x 36	(1) 16M x 36
136MB	(1) 16M x 36	(1) 16M x 36	(1) 1M x 36	(1) 1M x 36
136MB	(1) 1M x 36	(1) 1M x 36	(1) 16M x 36	(1) 16M x 36
144MB	(1) 16M x 36	(1) 16M x 36	(1) 2M x 36	(1) 2M x 36
144MB	(1) 2M x 36	(1) 2M x 36	(1) 16M x 36	(1) 16M x 36
160MB	(1) 16M x 36	(1) 16M x 36	(1) 4M x 36	(1) 4M x 36
160MB	(1) 4M x 36	(1) 4M x 36	(1) 16M x 36	(1) 16M x 36
256MB	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36
Note: Board accepts EDO memory. Board also accepts X 32 SIMMs. If only Bank 1 or Bank 3 is populated, x 32 SIMMs must be used.

CACHE SIZE
Size	Bank 0	TAG	SL1
256KB	(2) 32K x 32	(1) 8K/16K x 8	Not installed
512KB	(2) 32K x 32	(1) 16K/32K x 8	Installed

CACHE JUMPER
Size	JP26	JP27
256KB	Pins 1 & 2 closed	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed	Pins 1 & 2 closed

CPU BURST MODE TYPE
Setting	JP40
Cyrix (linear burst)	Pins 2 & 3 closed
Intel (interleave burst)	Pins 1 & 2 closed

CPU SPEED (CYRIX)
Setting	Multiplier	JP23	JP24	JP38	JP42
120MHz	2x	Closed	Closed	Pins 2 & 3 closed	Open
150MHz	2x	Closed	Open	Pins 2 & 3 closed	Open
166MHz	2x	Open	Closed	Pins 2 & 3 closed	Open
200MHz	3x	Closed	Closed	Pins 1 & 2 closed	Open

CPU SPEED (INTEL)
Setting	Multiplier	JP23	JP24	JP38	JP42
75MHz	1.5x	Closed	Closed	Pins 1 & 2 closed	Open
90MHz	1.5x	Closed	Open	Pins 1 & 2 closed	Open
100MHz	1.5x	Open	Closed	Pins 1 & 2 closed	Open
100MHz	2x	Closed	Closed	Pins 2 & 3 closed	Open
120MHz	2x	Closed	Open	Pins 2 & 3 closed	Open
133MHz	2x	Open	Closed	Pins 2 & 3 closed	Open
150MHz	2.5x	Closed	Open	Pins 2 & 3 closed	Closed
166MHz	2.5x	Open	Closed	Pins 2 & 3 closed	Closed
180MHz	3x	Closed	Closed	Pins 1 & 2 closed	Closed
200MHz	3x	Open	Closed	Pins 1 & 2 closed	Closed

CPU VOLTAGE
Setting	JP43	JP44	JP45
3.3v	Closed	Open	Open
3.45v - 3.6v	Open	Closed	Open