SOYO COMPUTER CO., LTD.
SY-5EH5
Device Type |
Mainboard |
Processor |
CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/ AM K6-2/Pentium/Pentium MMX |
Processor Speed |
90/100/120/133/150/166/180/200/233/250/266Hz |
Chip Set |
VIA VP3 |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB (EDO & SDRAM supported) |
Maximum Video Memory |
None |
Cache |
512KB |
BIOS |
Award |
Dimensions |
254mm x 218mm |
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, wake on LAN connector |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
AGP slot |
AGP |
Reset switch |
J25A |
ATX power connector |
ATX |
Soft off power supply |
J25B |
Parallel port |
CN1 |
Turbo LED |
J25C |
Serial port 1 |
CN2 |
IDE interface LED |
J25D |
Serial port 2 |
CN3 |
Power LED & keylock |
J25E |
IDE interface 1 |
CN4 |
Speaker |
J25F |
IDE interface 2 |
CN5 |
CPU fan power |
JP12 |
Floppy drive interface |
CN6 |
Wake on LAN connector |
JP44 |
PS/2 mouse interface |
CN7 |
32-bit PCI slots |
PC1 – PC3 |
IR connector |
IR1 |
USB connector |
USB |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
CPU voltage select auto |
JP4 |
Closed | |
CPU voltage select manual |
JP4 |
Open | |
» |
CMOS memory normal operation |
JP5 |
Pins 1 & 2 closed |
CMOS memory clear |
JP5 |
Pins 2 & 3 closed | |
CPU burst mode select interleave |
JP22 |
Pins 1 & 2 closed | |
CPU burst mode select linear |
JP22 |
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 |
Note: Board accepts EDO memory. |
DIMM CONFIGURATION | ||
Size |
Bank 1 |
Bank 2 |
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 |
DIMM CONFIGURATION (CON’T) | ||
Size |
Bank 1 |
Bank 2 |
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 EDO & SDRAM memory. |
DIMM VOLTAGE CONFIGURATION | ||
Voltage |
JP37 | |
» |
3.3v |
Pins 1 & 3, 2 & 4 closed |
5v |
Pins 3 & 5, 4 & 6 closed |
DIMM FREQUENCY CONFIGURATION | |||
Frequency |
JP9 |
JP10 | |
» |
SDRAM = CPU |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
SDRAM = AGP |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
512KB |
(1) 64K x 64 |
(1) 16K x 8 |
CPU SPEED SELECTION (CX 6X86) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
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 |
Off |
CPU SPEED SELECTION (CX 6X86L) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
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 |
Off |
CPU SPEED SELECTION (CX 6X86MX) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
166MHz |
60MHz |
2.5x |
On |
On |
Off |
On |
Off |
Off |
200MHz |
66MHz |
2.5x |
On |
On |
Off |
On |
Off |
Off |
200MHz |
75MHz |
2x |
On |
Off |
Off |
Off |
On |
Off |
233MHz |
75MHz |
2.5x |
On |
On |
Off |
Off |
On |
Off |
233MHz |
66MHz |
3x |
Off |
On |
Off |
On |
Off |
Off |
266MHz |
83MHz |
2.5x |
On |
On |
Off |
On |
On |
Off |
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 |
2x |
On |
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 |
180MHz |
66MHz |
3x |
Off |
On |
Off |
On |
Off |
Off |
200MHz |
66MHz |
3x |
Off |
On |
Off |
Off |
Off |
Off |
233MHz |
66MHz |
3.5x |
Off |
Off |
Off |
Off |
Off |
Off |
CPU SPEED SELECTION (AM K6 2) | ||||||||
CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
250MHz |
100MHz |
2.5x |
On |
On |
Off |
Off |
Off |
On |
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 |
180MHz |
66MHz |
3x |
Off |
On |
Off |
On |
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 |
180MHz |
66MHz |
3x |
Off |
On |
Off |
On |
Off |
Off |
200MHz |
66MHz |
3x |
Off |
On |
Off |
Off |
Off |
Off |
233MHz |
66MHz |
3.5x |
Off |
Off |
Off |
Off |
Off |
Off |
CPU VOLTAGE SELECTION | |
Voltage |
JP30 |
2.0v |
Open |
2.1v |
Pins 5 & 6 closed |
2.2v |
Pins 3 & 4 closed |
2.3v |
Pins 3 & 4, 5 & 6 closed |
2.4v |
Pins 7 & 8 closed |
2.5v |
Pins 5 & 6, 7 & 8 closed |
2.6v |
Pins 3 & 4, 7 & 8 closed |
2.7v |
Pins 3 & 4, 5 & 6, 7 & 8 closed |
2.8v |
Pins 1 & 2, 11 & 12 closed |
2.9v |
Pins 1 & 2, 5 & 6 closed |
3.0v |
Pins 1 & 2, 3 & 4 closed |
3.1v |
Pins 1 & 2, 3 & 4, 5 & 6 closed |
3.2v |
Pins 1 & 2, 7 & 8 closed |
3.3v |
Pins 1 & 2, 9 & 10 closed |
3.4v |
Pins 1 & 2, 3 & 4, 7 & 8 closed |
3.5v |
Pins 1 & 2, 11 & 12 closed |
POWER SUPPLY SELECTION | |||
Type |
JP2 |
JP6 | |
» |
AT |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
ATX |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
HOST BUS FREQUENCY SELECTION | |||||
CPU host bus |
AGP host bus |
PCI hose bus |
JP7 |
JP8 | |
» |
66MHz |
66MHz |
33MHz |
Pins 2 & 3 closed |
Open |
100MHz |
66MHz |
33MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |