SY-4SAW/2/W5 Motherboard Settings and Configuration

SOYO COMPUTER CO., LTD.

SY-4SAW/2/W5

Processor
UMCU5S/80486SX/SL80486SX/80486SX2/SL80486SX2/CX486DX/ TI486DX/SGS486DX/80486DX/SL80486DX/CX486DX2/TI486DX2/ SGS486DX2/UMC486DX2/AM486DX2/80486DX2/SL80486DX2/ 80486DX4/TI486DX4/SGS486DX4/AM486DX4/80486DX4/P24D/P24T/ CX M1SC/AM X5
Processor Speed
25/33/40/50(internal)/50/63(internal)/66(internal)/75(internal)/ 80(internal)/83(internal)100(internal)/120(internal)/133(internal)/ 150(internal)/160(internal)MHz
Chip Set
SIS
Maximum Onboard Memory
256MB
Cache
256/512KB
BIOS
Award
Dimensions
250mm x 220mm
I/O Options
32-bit VESA local bus slot, 32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)
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 switch
J21
IDE interface 1
CN5
Turbo LED
J22
IDE interface 2
CN6
IDE interface LED 2
JP17
PS/2 mouse interface
J1
IDE interface LED 1
JP18
Green PC connector
J7
32-bit PCI slots
PC1 - PC4
Power LED & keylock
J17
32-bit VESA local bus slot
SL1

USER CONFIGURABLE SETTINGS
Setting
Label
Position
»
Factory configured - do not alter
JP1
Pins 1 & 2 closed

BIOS type select EPROM/flash
JP2
Pins 2 & 3 closed

BIOS type select flash
JP2
Pins 1 & 2 closed
»
Monitor type select color
JP3
Closed

Monitor type select monochrome
JP3
Open
»
PS/2 mouse disabled
JP4
Open

PS/2 mouse enabled
JP4
Closed
»
CMOS memory normal operation
JP5
Pins 1 & 2 closed

CMOS memory clear
JP5
Pins 2 & 3 closed
»
Factory configured - do not alter
JP12
Pins 1 & 2 closed
»
Factory configured - do not alter
JP19
Pins 2 & 3 closed
»
Factory configured - do not alter
JP27
Pins 2 & 3 closed
»
Factory configured - do not alter
JP28
Pins 2 & 3 closed
»
Factory configured - do not alter
JP48
N/A
»
Factory configured - do not alter
JP51
N/A

DRAM
Size
Bank 0
Bank 1
Bank 2
Bank 3
2MB
(1) 512K x 36
None
None
None
2MB
(1) 256K x 36
(1) 256K x 36
None
None
3MB
(1) 512K x 36
(1) 256K x 36
None
None
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
None
3MB
(1) 256K x 36
(1) 512K x 36
None
None
4MB
(1) 1M x 36
None
None
None
4MB
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
None
4MB
(1) 512K x 36
(1) 512K x 36
None
None
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36

DRAM (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
5MB
(1) 1M x 36
(1) 256K x 36
None
None
5MB
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
5MB
(1) 256K x 36
(1) 512K x 36
(1) 512K x 36
None
5MB
(1) 256K x 36
(1) 1M x 36
None
None
6MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
None
6MB
(1) 1M x 36
(1) 512K x 36
None
None
6MB
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
None
6MB
(1) 512K x 36
(1) 1M x 36
None
None
7MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
8MB
(1) 2M x 36
None
None
None
8MB
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
None
8MB
(1) 1M x 36
(1) 1M x 36
None
None
9MB
(1) 2M x 36
(1) 256K x 36
None
None
9MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
None
9MB
(1) 256K x 36
(1) 2M x 36
None
None
10MB
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
None
10MB
(1) 2M x 36
(1) 512K x 36
None
None
10MB
(1) 512K x 36
(1) 1M x 36
(1) 1M x 36
None
10MB
(1) 512K x 36
(1) 2M x 36
None
None
11MB
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
12MB
(1) 2M x 36
(1) 512K x 36
(1) 512K x 36
None
12MB
(1) 2M x 36
(1) 1M x 36
None
None
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
None
12MB
(1) 1M x 36
(1) 2M x 36
None
None
13MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
14MB
(1) 512K x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 4M x 36
None
None
None
16MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
None
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
17MB
(1) 4M x 36
(1) 256K x 36
None
None
17MB
(1) 256K x 36
(1) 2M x 36
(1) 2M x 36
None
17MB
(1) 256K x 36
(1) 4M x 36
None
None
18MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
None
18MB
(1) 4M x 36
(1) 512K x 36
None
None
18MB
(1) 512K x 36
(1) 2M x 36
(1) 2M x 36
None
18MB
(1) 512K x 36
(1) 4M x 36
None
None
19MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
20MB
(1) 4M x 36
(1) 512K x 36
(1) 512K x 36
None
20MB
(1) 4M x 36
(1) 1M x 36
None
None
20MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
20MB
(1) 1M x 36
(1) 2M x 36
(1) 2M x 36
None
20MB
(1) 1M x 36
(1) 4M x 36
None
None

DRAM (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
24MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
None
24MB
(1) 4M x 36
(1) 2M x 36
None
None
24MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
None
24MB
(1) 2M x 36
(1) 4M x 36
None
None
28MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
32MB
(1) 8M x 36
None
None
None
32MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
None
32MB
(1) 4M x 36
(1) 4M x 36
None
None
33MB
(1) 8M x 36
(1) 256K x 36
None
None
33MB
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
None
33MB
(1) 256K x 36
(1) 8M x 36
None
None
34MB
(1) 8M x 36
(1) 256K x 36
(1) 256K x 36
None
34MB
(1) 8M x 36
(1) 512K x 36
None
None
34MB
(1) 512K x 36
(1) 4M x 36
(1) 4M x 36
None
34MB
(1) 512K x 36
(1) 8M x 36
None
None
35MB
(1) 8M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
36MB
(1) 8M x 36
(1) 512K x 36
(1) 512K x 36
None
36MB
(1) 8M x 36
(1) 1M x 36
None
None
36MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
None
36MB
(1) 1M x 36
(1) 8M x 36
None
None
40MB
(1) 8M x 36
(1) 1M x 36
(1) 1M x 36
None
40MB
(1) 8M x 36
(1) 2M x 36
None
None
40MB
(1) 2M x 36
(1) 4M x 36
(1) 4M x 36
None
40MB
(1) 2M x 36
(1) 8M x 36
None
None
44MB
(1) 8M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
48MB
(1) 8M x 36
(1) 2M x 36
(1) 2M x 36
None
48MB
(1) 8M x 36
(1) 4M x 36
None
None
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
None
48MB
(1) 4M x 36
(1) 8M x 36
None
None
49MB
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
50MB
(1) 512K x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
52MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
56MB
(1) 2M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 8M x 36
(1) 4M x 36
(1) 4M x 36
None
64MB
(1) 8M x 36
(1) 8M x 36
None
None
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 16M x 36
None
None
None
65MB
(1) 256K x 36
(1) 8M x 36
(1) 8M x 36
None
65MB
(1) 16M x 36
(1) 256K x 36
None
None
66MB
(1) 16M x 36
(1) 256K x 36
(1) 256K x 36
None
66MB
(1) 16M x 36
(1) 512K x 36
None
None
66MB
(1) 512K x 36
(1) 8M x 36
(1) 8M x 36
None

DRAM (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
67MB
(1) 16M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
68MB
(1) 16M x 36
(1) 512K x 36
(1) 512K x 36
None
68MB
(1) 16M x 36
(1) 1M x 36
None
None
68MB
(1) 1M x 36
(1) 8M x 36
(1) 8M x 36
None
72MB
(1) 16M x 36
(1) 1M x 36
(1) 1M x 36
None
72MB
(1) 16M x 36
(1) 2M x 36
None
None
72MB
(1) 2M x 36
(1) 8M x 36
(1) 8M x 36
None
76MB
(1) 16M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
80MB
(1) 16M x 36
(1) 2M x 36
(1) 2M x 36
None
80MB
(1) 16M x 36
(1) 4M x 36
None
None
80MB
(1) 8M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
80MB
(1) 4M x 36
(1) 8M x 36
(1) 8M x 36
None
96MB
(1) 16M x 36
(1) 4M x 36
(1) 4M x 36
None
96MB
(1) 16M x 36
(1) 8M x 36
None
None
96MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
None
112MB
(1) 16M 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
128MB
(1) 16M x 36
(1) 8M x 36
(1) 8M x 36
None
192MB
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
None
256MB
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
Note: Board also accepts x 32 SIMMs.

CACHE SIZE
Size
Bank 0
TAG
256KB
(4) 64K x 8
(1) 16K/32K x 8
512KB
(4) 128K x 8
(1) 32K x 8

CACHE JUMPER
Size
JP29
JP47
256KB (Aster TAG)
Open
Pins 2 & 3 closed
256KB (Winbond TAG)
Pins 1 & 2 closed
Open
512KB
Pins 2 & 3 closed
Pins 2 & 3 closed

CPU TYPE
Setting
JP30
JP31
JP32
JP33
UMC U5S
Open
1 & 2, 3 & 4
1 & 2, 3 & 4
3 & 4
80486SX
3 & 4
Open
2 & 3
Open
SL80486SX
3 & 4
Open
2 & 3
Open
80486SX2
3 & 4
Open
2 & 3
Open
SL80486SX2
3 & 4
Open
2 & 3
Open
CX486DX
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
TI486DX
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
SGS486DX
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
80486DX
3 & 4
3 & 4
1 & 2, 3 & 4
Open
SL80486DX
3 & 4
3 & 4
1 & 2, 3 & 4
Open
CX486DX2-50/66
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
CX486DX2-80
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
TI486DX2-50/66
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
TI486DX2-80
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
SGS486DX2-50/66
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
SGS486DX2-80
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
UMC486DX2
3 & 4
3 & 4
1 & 2, 3 & 4
Open
AM486DX2(NV8B)
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
Open
AM486DX2-66(NV8T)
3 & 4
1 & 2
1 & 2, 3 & 4
Open
AM486DX2-66
3 & 4
1 & 2
1 & 2, 3 & 4
Open
AM486DX2-80(NV8T)
3 & 4
1 & 2
1 & 2, 3 & 4
Open
AM486DX2-80
3 & 4
1 & 2
1 & 2, 3 & 4
Open
80486DX2
3 & 4
3 & 4
1 & 2, 3 & 4
Open
SL80486DX2
3 & 4
3 & 4
1 & 2, 3 & 4
Open
CX486DX4
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
TI486DX4
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
SGS486DX4
2 & 3
3 & 4
1 & 2, 3 & 4
2 & 3
AM486DX4(NV8T)
3 & 4
1 & 2
1 & 2, 3 & 4
Open
AM486DX4(NV8B)
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
Open
80486DX4 (5v)
3 & 4
3 & 4
1 & 2, 3 & 4
Open
80486DX4 (3.45v)
3 & 4
3 & 4
1 & 2, 3 & 4
Open
P24D
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
Open
P24T
3 & 4
2 & 3
1 & 2, 3 & 4
1 & 2
CX M1SC
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
Open
AM X5-150
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
Open
AM X5-133/160
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
Open
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting
JP34
JP36
JP37
JP38
UMC U5S
Open
Open
Open
Open
80486SX
Open
Open
4 & 5
Open
SL80486SX
Open
Open
4 & 5
Open
80486SX2
Open
Open
4 & 5
Open
SL80486SX2
Open
Open
4 & 5
Open
CX486DX
Open
Open
2 & 3
2 & 3
TI486DX
Open
Open
2 & 3
2 & 3
SGS486DX
Open
Open
2 & 3
2 & 3
80486DX
Open
Open
4 & 5
Open
SL80486DX
Open
Open
4 & 5
Open
CX486DX2-50/66 (3.6v)
Open
Open
2 & 3
2 & 3
CX486DX2-50/66 (5v)
Open
Open
2 & 3
2 & 3
CX486DX2-80
Open
Open
2 & 3
2 & 3
TI486DX2-50/66 (3.6v)
Open
Open
2 & 3
2 & 3
TI486DX2-50/66 (5v)
Open
Open
2 & 3
2 & 3
TI486DX2-80
Open
Open
2 & 3
2 & 3
SGS486DX2-50/66 (3.6v)
Open
Open
2 & 3
2 & 3
SGS486DX2-50/66 (5v)
Open
Open
2 & 3
2 & 3
SGS486DX2-80
Open
Open
2 & 3
2 & 3
UMC486DX2
Open
Open
4 & 5
Open
AM486DX2(NV8B)
1 & 2
Open
4 & 5
1 & 2
AM486DX2-66(NV8T)
2 & 3
Open
4 & 5
Open
AM486DX2-66
2 & 3
Open
4 & 5
Open
AM486DX2-80(NV8T)
2 & 3
Open
4 & 5
Open
AM486DX2-80
2 & 3
Open
4 & 5
Open
80486DX2
Open
Open
4 & 5
Open
SL80486DX2
Open
Open
4 & 5
Open
CX486DX4
Open
Open
2 & 3
2 & 3
TI486DX4
Open
Open
2 & 3
2 & 3
SGS486DX4
Open
Open
2 & 3
2 & 3
AM486DX4(NV8T)
1 & 2
Open
4 & 5
Open
AM486DX4(NV8B)
1 & 2
Open
4 & 5
1 & 2
80486DX4 (5v)
Open
Open
4 & 5
Open
80486DX4 (3.45v)
Open
Open
4 & 5
Open
P24D
1 & 2
Open
4 & 5
1 & 2
P24T
Open
1 & 2
1 & 2
1 & 2
CX M1SC
1 & 2
Open
4 & 5
1 & 2
AM X5-150
1 & 2
Open
4 & 5
1 & 2
AM X5-133/160
1 & 2
Open
4 & 5
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting
JP39
JP40
JP41
JP42
UMC U5S
3 & 4
1 & 3, 2 & 4
Open
2 & 3
80486SX
3 & 4
1 & 3, 2 & 4
Open
2 & 3
SL80486SX
3 & 4
1 & 3, 2 & 4
Open
2 & 3
80486SX2
3 & 4
1 & 3, 2 & 4
Open
2 & 3
SL80486SX2
3 & 4
1 & 3, 2 & 4
Open
2 & 3
CX486DX
Unidentified
1 & 3, 2 & 4
Open
2 & 3
TI486DX
Unidentified
1 & 3, 2 & 4
Open
2 & 3
SGS486DX
Unidentified
1 & 3, 2 & 4
Open
2 & 3
80486DX
3 & 4
1 & 3, 2 & 4
Open
2 & 3
SL80486DX
3 & 4
1 & 3, 2 & 4
Open
2 & 3
CX486DX2-50/66 (3.6v)
5 & 6
3 & 5, 4 & 6
Open
2 & 3
CX486DX2-50/66 (5v)
5 & 6
1 & 3, 2 & 4
Open
2 & 3
CX486DX2-80
1 & 2
3 & 5, 4 & 6
Open
2 & 3
TI486DX2-50/66 (3.6v)
5 & 6
3 & 5, 4 & 6
Open
2 & 3
TI486DX2-50/66 (5v)
5 & 6
1 & 3, 2 & 4
Open
2 & 3
TI486DX2-80
1 & 2
3 & 5, 4 & 6
Open
2 & 3
SGS486DX2-50/66 (3.6v)
5 & 6
3 & 5, 4 & 6
Open
2 & 3
SGS486DX2-50/66 (5v)
5 & 6
1 & 3, 2 & 4
Open
2 & 3
SGS486DX2-80
1 & 2
3 & 5, 4 & 6
Open
2 & 3
UMC486DX2
3 & 4
1 & 3, 2 & 4
Open
2 & 3
AM486DX2(NV8B)
3 & 4
3 & 5, 4 & 6
1 & 2
1 & 2
AM486DX2-66(NV8T)
3 & 4
3 & 5, 4 & 6
Open
2 & 3
AM486DX2-66
3 & 4
1 & 3, 2 & 4
Open
2 & 3
AM486DX2-80(NV8T)
3 & 4
3 & 5, 4 & 6
Open
2 & 3
AM486DX2-80
3 & 4
1 & 3, 2 & 4
Open
2 & 3
80486DX2
3 & 4
1 & 3, 2 & 4
Open
2 & 3
SL80486DX2
3 & 4
1 & 3, 2 & 4
Open
2 & 3
CX486DX4
3 & 4
3 & 5, 4 & 6
Open
2 & 3
TI486DX4
3 & 4
3 & 5, 4 & 6
Open
2 & 3
SGS486DX4
3 & 4
3 & 5, 4 & 6
Open
2 & 3
AM486DX4 (NV8T)
3 & 4
3 & 5, 4 & 6
Open
2 & 3
AM486DX4(NV8B)
3 & 4
3 & 5, 4 & 6
1 & 2
1 & 2
80486DX4 (5v)
3 & 4
1 & 3, 2 & 4
Open
2 & 3
80486DX4 (3.45v)
3 & 4
3 & 5, 4 & 6
Open
2 & 3
P24D
3 & 4
1 & 3, 2 & 4
1 & 2
1 & 2
P24T
3 & 4
1 & 3, 2 & 4
Open
1 & 2
CX M1SC
3 & 4
3 & 5, 4 & 6
1 & 2
2 & 3
AM X5-150
3 & 4
3 & 5, 4 & 6
1 & 2
1 & 2
AM X5-133/160
3 & 4
3 & 5, 4 & 6
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting
JP43
JP44
JP45
JP46
UMC U5S
Open
1 & 2
2 & 3
4 & 5
80486SX
Open
1 & 2
1 & 2
2 & 3
SL80486SX
Open
1 & 2
1 & 2
2 & 3
80486SX2
Open
1 & 2
1 & 2
2 & 3
SL80486SX2
Open
1 & 2
1 & 2
2 & 3
CX486DX
Open
Open
1 & 2
1 & 2
TI486DX
Open
Open
1 & 2
1 & 2
SGS486DX
Open
Open
1 & 2
1 & 2
80486DX
Open
1 & 2
1 & 2
2 & 3
SL80486DX
Open
1 & 2
1 & 2
2 & 3
CX486DX2-50/66 (3.6v)
Open
Open
1 & 2
1 & 2
CX486DX2-50/66(5v)
Open
Open
1 & 2
1 & 2
CX486DX2-80
Open
Open
1 & 2
1 & 2
TI486DX2-50/66 (3.6v)
Open
Open
1 & 2
1 & 2
TI486DX2-50/66 (5v)
Open
Open
1 & 2
1 & 2
TI486DX2-80
Open
Open
1 & 2
1 & 2
SGS486DX2-50/66 (3.6v)
Open
Open
1 & 2
1 & 2
SGS486DX2-50/66 (5v)
Open
Open
1 & 2
1 & 2
SGS486DX2-80
Open
Open
1 & 2
1 & 2
UMC486DX2
Open
1 & 2
1 & 2
2 & 3
AM486DX2(NV8B)
1 & 2
2 & 3
1 & 2
2 & 3
AM486DX2-66(NV8T)
Open
1 & 2
1 & 2
2 & 3
AM486DX2-66
Open
1 & 2
1 & 2
2 & 3
AM486DX2-80(NV8T)
Open
1 & 2
1 & 2
2 & 3
AM486DX2-80
Open
1 & 2
1 & 2
2 & 3
80486DX2
Open
1 & 2
1 & 2
2 & 3
SL80486DX2
Open
1 & 2
1 & 2
2 & 3
CX486DX4
Open
Open
1 & 2
1 & 2
TI486DX4
Open
Open
1 & 2
1 & 2
SGS486DX4
Open
Open
1 & 2
1 & 2
AM486DX4 (NV8T)
Open
1 & 2
1 & 2
2 & 3
AM486DX4(NV8B)
Open
2 & 3
1 & 2
2 & 3
80486DX4 (5v)
Open
1 & 2
1 & 2
2 & 3
80486DX4 (3.45v)
Open
1 & 2
1 & 2
2 & 3
P24D
Open
2 & 3
1 & 2
2 & 3
P24T
Open
Open
1 & 2
2 & 3
CX M1SC
Open
2 & 3
1 & 2
2 & 3
AM X5-150
Open
2 & 3
1 & 2
2 & 3
AM X5-133/160
1 & 2
2 & 3
1 & 2
2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED
Setting
JP14
JP15
JP21
JP22
25MHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Open
Open
33MHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Closed
40MHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Open
50iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Open
Open
50MHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Open
Closed
63iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Open
Open
66iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Closed
75iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Open
Open
80iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Open
83iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Closed
100iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Closed
120iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Open
133iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Closed
150iMHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Open
Closed
160iMHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Open

DMA
Setting
JP49
JP50
None
Open
Open
DMA1
Pins 2 & 3 closed
Pins 2 & 3 closed
DMA3
Pins 1 & 2 closed
Pins 1 & 2 closed

Headaches Begone! A Systemic Approach To Healing Your Headaches

Don't Let Your Bike Seat Ruin Your Sex Life Book

SY-4SAW/2/W5 Motherboard Settings and Configuration

Search

My Books

Discover

Processor	UMCU5S/80486SX/SL80486SX/80486SX2/SL80486SX2/CX486DX/ TI486DX/SGS486DX/80486DX/SL80486DX/CX486DX2/TI486DX2/ SGS486DX2/UMC486DX2/AM486DX2/80486DX2/SL80486DX2/ 80486DX4/TI486DX4/SGS486DX4/AM486DX4/80486DX4/P24D/P24T/ CX M1SC/AM X5
Processor Speed	25/33/40/50(internal)/50/63(internal)/66(internal)/75(internal)/ 80(internal)/83(internal)100(internal)/120(internal)/133(internal)/ 150(internal)/160(internal)MHz
Chip Set	SIS
Maximum Onboard Memory	256MB
Cache	256/512KB
BIOS	Award
Dimensions	250mm x 220mm
I/O Options	32-bit VESA local bus slot, 32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)
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 switch	J21
IDE interface 1	CN5	Turbo LED	J22
IDE interface 2	CN6	IDE interface LED 2	JP17
PS/2 mouse interface	J1	IDE interface LED 1	JP18
Green PC connector	J7	32-bit PCI slots	PC1 - PC4
Power LED & keylock	J17	32-bit VESA local bus slot	SL1

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Factory configured - do not alter	JP1	Pins 1 & 2 closed
	BIOS type select EPROM/flash	JP2	Pins 2 & 3 closed
	BIOS type select flash	JP2	Pins 1 & 2 closed
»	Monitor type select color	JP3	Closed
	Monitor type select monochrome	JP3	Open
»	PS/2 mouse disabled	JP4	Open
	PS/2 mouse enabled	JP4	Closed
»	CMOS memory normal operation	JP5	Pins 1 & 2 closed
	CMOS memory clear	JP5	Pins 2 & 3 closed
»	Factory configured - do not alter	JP12	Pins 1 & 2 closed
»	Factory configured - do not alter	JP19	Pins 2 & 3 closed
»	Factory configured - do not alter	JP27	Pins 2 & 3 closed
»	Factory configured - do not alter	JP28	Pins 2 & 3 closed
»	Factory configured - do not alter	JP48	N/A
»	Factory configured - do not alter	JP51	N/A

DRAM
Size	Bank 0	Bank 1	Bank 2	Bank 3
2MB	(1) 512K x 36	None	None	None
2MB	(1) 256K x 36	(1) 256K x 36	None	None
3MB	(1) 512K x 36	(1) 256K x 36	None	None
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	None
3MB	(1) 256K x 36	(1) 512K x 36	None	None
4MB	(1) 1M x 36	None	None	None
4MB	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36	None
4MB	(1) 512K x 36	(1) 512K x 36	None	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36

DRAM (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
5MB	(1) 1M x 36	(1) 256K x 36	None	None
5MB	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
5MB	(1) 256K x 36	(1) 512K x 36	(1) 512K x 36	None
5MB	(1) 256K x 36	(1) 1M x 36	None	None
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	None
6MB	(1) 1M x 36	(1) 512K x 36	None	None
6MB	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36	None
6MB	(1) 512K x 36	(1) 1M x 36	None	None
7MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
8MB	(1) 2M x 36	None	None	None
8MB	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
9MB	(1) 2M x 36	(1) 256K x 36	None	None
9MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	None
9MB	(1) 256K x 36	(1) 2M x 36	None	None
10MB	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36	None
10MB	(1) 2M x 36	(1) 512K x 36	None	None
10MB	(1) 512K x 36	(1) 1M x 36	(1) 1M x 36	None
10MB	(1) 512K x 36	(1) 2M x 36	None	None
11MB	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
12MB	(1) 2M x 36	(1) 512K x 36	(1) 512K x 36	None
12MB	(1) 2M x 36	(1) 1M x 36	None	None
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	None
12MB	(1) 1M x 36	(1) 2M x 36	None	None
13MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
14MB	(1) 512K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 36	None	None	None
16MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	None
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
17MB	(1) 4M x 36	(1) 256K x 36	None	None
17MB	(1) 256K x 36	(1) 2M x 36	(1) 2M x 36	None
17MB	(1) 256K x 36	(1) 4M x 36	None	None
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	None
18MB	(1) 4M x 36	(1) 512K x 36	None	None
18MB	(1) 512K x 36	(1) 2M x 36	(1) 2M x 36	None
18MB	(1) 512K x 36	(1) 4M x 36	None	None
19MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
20MB	(1) 4M x 36	(1) 512K x 36	(1) 512K x 36	None
20MB	(1) 4M x 36	(1) 1M x 36	None	None
20MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
20MB	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36	None
20MB	(1) 1M x 36	(1) 4M x 36	None	None

CACHE SIZE
Size	Bank 0	TAG
256KB	(4) 64K x 8	(1) 16K/32K x 8
512KB	(4) 128K x 8	(1) 32K x 8

CACHE JUMPER
Size	JP29	JP47
256KB (Aster TAG)	Open	Pins 2 & 3 closed
256KB (Winbond TAG)	Pins 1 & 2 closed	Open
512KB	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU TYPE
Setting	JP30	JP31	JP32	JP33
UMC U5S	Open	1 & 2, 3 & 4	1 & 2, 3 & 4	3 & 4
80486SX	3 & 4	Open	2 & 3	Open
SL80486SX	3 & 4	Open	2 & 3	Open
80486SX2	3 & 4	Open	2 & 3	Open
SL80486SX2	3 & 4	Open	2 & 3	Open
CX486DX	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
TI486DX	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
SGS486DX	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
80486DX	3 & 4	3 & 4	1 & 2, 3 & 4	Open
SL80486DX	3 & 4	3 & 4	1 & 2, 3 & 4	Open
CX486DX2-50/66	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
CX486DX2-80	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
TI486DX2-50/66	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
TI486DX2-80	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
SGS486DX2-50/66	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
SGS486DX2-80	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
UMC486DX2	3 & 4	3 & 4	1 & 2, 3 & 4	Open
AM486DX2(NV8B)	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4	Open
AM486DX2-66(NV8T)	3 & 4	1 & 2	1 & 2, 3 & 4	Open
AM486DX2-66	3 & 4	1 & 2	1 & 2, 3 & 4	Open
AM486DX2-80(NV8T)	3 & 4	1 & 2	1 & 2, 3 & 4	Open
AM486DX2-80	3 & 4	1 & 2	1 & 2, 3 & 4	Open
80486DX2	3 & 4	3 & 4	1 & 2, 3 & 4	Open
SL80486DX2	3 & 4	3 & 4	1 & 2, 3 & 4	Open
CX486DX4	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
TI486DX4	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
SGS486DX4	2 & 3	3 & 4	1 & 2, 3 & 4	2 & 3
AM486DX4(NV8T)	3 & 4	1 & 2	1 & 2, 3 & 4	Open
AM486DX4(NV8B)	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4	Open
80486DX4 (5v)	3 & 4	3 & 4	1 & 2, 3 & 4	Open
80486DX4 (3.45v)	3 & 4	3 & 4	1 & 2, 3 & 4	Open
P24D	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4	Open
P24T	3 & 4	2 & 3	1 & 2, 3 & 4	1 & 2
CX M1SC	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4	Open
AM X5-150	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4	Open
AM X5-133/160	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4	Open
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting	JP34	JP36	JP37	JP38
UMC U5S	Open	Open	Open	Open
80486SX	Open	Open	4 & 5	Open
SL80486SX	Open	Open	4 & 5	Open
80486SX2	Open	Open	4 & 5	Open
SL80486SX2	Open	Open	4 & 5	Open
CX486DX	Open	Open	2 & 3	2 & 3
TI486DX	Open	Open	2 & 3	2 & 3
SGS486DX	Open	Open	2 & 3	2 & 3
80486DX	Open	Open	4 & 5	Open
SL80486DX	Open	Open	4 & 5	Open
CX486DX2-50/66 (3.6v)	Open	Open	2 & 3	2 & 3
CX486DX2-50/66 (5v)	Open	Open	2 & 3	2 & 3
CX486DX2-80	Open	Open	2 & 3	2 & 3
TI486DX2-50/66 (3.6v)	Open	Open	2 & 3	2 & 3
TI486DX2-50/66 (5v)	Open	Open	2 & 3	2 & 3
TI486DX2-80	Open	Open	2 & 3	2 & 3
SGS486DX2-50/66 (3.6v)	Open	Open	2 & 3	2 & 3
SGS486DX2-50/66 (5v)	Open	Open	2 & 3	2 & 3
SGS486DX2-80	Open	Open	2 & 3	2 & 3
UMC486DX2	Open	Open	4 & 5	Open
AM486DX2(NV8B)	1 & 2	Open	4 & 5	1 & 2
AM486DX2-66(NV8T)	2 & 3	Open	4 & 5	Open
AM486DX2-66	2 & 3	Open	4 & 5	Open
AM486DX2-80(NV8T)	2 & 3	Open	4 & 5	Open
AM486DX2-80	2 & 3	Open	4 & 5	Open
80486DX2	Open	Open	4 & 5	Open
SL80486DX2	Open	Open	4 & 5	Open
CX486DX4	Open	Open	2 & 3	2 & 3
TI486DX4	Open	Open	2 & 3	2 & 3
SGS486DX4	Open	Open	2 & 3	2 & 3
AM486DX4(NV8T)	1 & 2	Open	4 & 5	Open
AM486DX4(NV8B)	1 & 2	Open	4 & 5	1 & 2
80486DX4 (5v)	Open	Open	4 & 5	Open
80486DX4 (3.45v)	Open	Open	4 & 5	Open
P24D	1 & 2	Open	4 & 5	1 & 2
P24T	Open	1 & 2	1 & 2	1 & 2
CX M1SC	1 & 2	Open	4 & 5	1 & 2
AM X5-150	1 & 2	Open	4 & 5	1 & 2
AM X5-133/160	1 & 2	Open	4 & 5	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting	JP39	JP40	JP41	JP42
UMC U5S	3 & 4	1 & 3, 2 & 4	Open	2 & 3
80486SX	3 & 4	1 & 3, 2 & 4	Open	2 & 3
SL80486SX	3 & 4	1 & 3, 2 & 4	Open	2 & 3
80486SX2	3 & 4	1 & 3, 2 & 4	Open	2 & 3
SL80486SX2	3 & 4	1 & 3, 2 & 4	Open	2 & 3
CX486DX	Unidentified	1 & 3, 2 & 4	Open	2 & 3
TI486DX	Unidentified	1 & 3, 2 & 4	Open	2 & 3
SGS486DX	Unidentified	1 & 3, 2 & 4	Open	2 & 3
80486DX	3 & 4	1 & 3, 2 & 4	Open	2 & 3
SL80486DX	3 & 4	1 & 3, 2 & 4	Open	2 & 3
CX486DX2-50/66 (3.6v)	5 & 6	3 & 5, 4 & 6	Open	2 & 3
CX486DX2-50/66 (5v)	5 & 6	1 & 3, 2 & 4	Open	2 & 3
CX486DX2-80	1 & 2	3 & 5, 4 & 6	Open	2 & 3
TI486DX2-50/66 (3.6v)	5 & 6	3 & 5, 4 & 6	Open	2 & 3
TI486DX2-50/66 (5v)	5 & 6	1 & 3, 2 & 4	Open	2 & 3
TI486DX2-80	1 & 2	3 & 5, 4 & 6	Open	2 & 3
SGS486DX2-50/66 (3.6v)	5 & 6	3 & 5, 4 & 6	Open	2 & 3
SGS486DX2-50/66 (5v)	5 & 6	1 & 3, 2 & 4	Open	2 & 3
SGS486DX2-80	1 & 2	3 & 5, 4 & 6	Open	2 & 3
UMC486DX2	3 & 4	1 & 3, 2 & 4	Open	2 & 3
AM486DX2(NV8B)	3 & 4	3 & 5, 4 & 6	1 & 2	1 & 2
AM486DX2-66(NV8T)	3 & 4	3 & 5, 4 & 6	Open	2 & 3
AM486DX2-66	3 & 4	1 & 3, 2 & 4	Open	2 & 3
AM486DX2-80(NV8T)	3 & 4	3 & 5, 4 & 6	Open	2 & 3
AM486DX2-80	3 & 4	1 & 3, 2 & 4	Open	2 & 3
80486DX2	3 & 4	1 & 3, 2 & 4	Open	2 & 3
SL80486DX2	3 & 4	1 & 3, 2 & 4	Open	2 & 3
CX486DX4	3 & 4	3 & 5, 4 & 6	Open	2 & 3
TI486DX4	3 & 4	3 & 5, 4 & 6	Open	2 & 3
SGS486DX4	3 & 4	3 & 5, 4 & 6	Open	2 & 3
AM486DX4 (NV8T)	3 & 4	3 & 5, 4 & 6	Open	2 & 3
AM486DX4(NV8B)	3 & 4	3 & 5, 4 & 6	1 & 2	1 & 2
80486DX4 (5v)	3 & 4	1 & 3, 2 & 4	Open	2 & 3
80486DX4 (3.45v)	3 & 4	3 & 5, 4 & 6	Open	2 & 3
P24D	3 & 4	1 & 3, 2 & 4	1 & 2	1 & 2
P24T	3 & 4	1 & 3, 2 & 4	Open	1 & 2
CX M1SC	3 & 4	3 & 5, 4 & 6	1 & 2	2 & 3
AM X5-150	3 & 4	3 & 5, 4 & 6	1 & 2	1 & 2
AM X5-133/160	3 & 4	3 & 5, 4 & 6	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting	JP43	JP44	JP45	JP46
UMC U5S	Open	1 & 2	2 & 3	4 & 5
80486SX	Open	1 & 2	1 & 2	2 & 3
SL80486SX	Open	1 & 2	1 & 2	2 & 3
80486SX2	Open	1 & 2	1 & 2	2 & 3
SL80486SX2	Open	1 & 2	1 & 2	2 & 3
CX486DX	Open	Open	1 & 2	1 & 2
TI486DX	Open	Open	1 & 2	1 & 2
SGS486DX	Open	Open	1 & 2	1 & 2
80486DX	Open	1 & 2	1 & 2	2 & 3
SL80486DX	Open	1 & 2	1 & 2	2 & 3
CX486DX2-50/66 (3.6v)	Open	Open	1 & 2	1 & 2
CX486DX2-50/66(5v)	Open	Open	1 & 2	1 & 2
CX486DX2-80	Open	Open	1 & 2	1 & 2
TI486DX2-50/66 (3.6v)	Open	Open	1 & 2	1 & 2
TI486DX2-50/66 (5v)	Open	Open	1 & 2	1 & 2
TI486DX2-80	Open	Open	1 & 2	1 & 2
SGS486DX2-50/66 (3.6v)	Open	Open	1 & 2	1 & 2
SGS486DX2-50/66 (5v)	Open	Open	1 & 2	1 & 2
SGS486DX2-80	Open	Open	1 & 2	1 & 2
UMC486DX2	Open	1 & 2	1 & 2	2 & 3
AM486DX2(NV8B)	1 & 2	2 & 3	1 & 2	2 & 3
AM486DX2-66(NV8T)	Open	1 & 2	1 & 2	2 & 3
AM486DX2-66	Open	1 & 2	1 & 2	2 & 3
AM486DX2-80(NV8T)	Open	1 & 2	1 & 2	2 & 3
AM486DX2-80	Open	1 & 2	1 & 2	2 & 3
80486DX2	Open	1 & 2	1 & 2	2 & 3
SL80486DX2	Open	1 & 2	1 & 2	2 & 3
CX486DX4	Open	Open	1 & 2	1 & 2
TI486DX4	Open	Open	1 & 2	1 & 2
SGS486DX4	Open	Open	1 & 2	1 & 2
AM486DX4 (NV8T)	Open	1 & 2	1 & 2	2 & 3
AM486DX4(NV8B)	Open	2 & 3	1 & 2	2 & 3
80486DX4 (5v)	Open	1 & 2	1 & 2	2 & 3
80486DX4 (3.45v)	Open	1 & 2	1 & 2	2 & 3
P24D	Open	2 & 3	1 & 2	2 & 3
P24T	Open	Open	1 & 2	2 & 3
CX M1SC	Open	2 & 3	1 & 2	2 & 3
AM X5-150	Open	2 & 3	1 & 2	2 & 3
AM X5-133/160	1 & 2	2 & 3	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED
Setting	JP14	JP15	JP21	JP22
25MHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Open	Open
33MHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Closed
40MHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Open
50iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Open	Open
50MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Open	Closed
63iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Open	Open
66iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Closed
75iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Open	Open
80iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Open
83iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Closed
100iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Closed
120iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Open
133iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Closed
150iMHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Open	Closed
160iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Open

DMA
Setting	JP49	JP50
None	Open	Open
DMA1	Pins 2 & 3 closed	Pins 2 & 3 closed
DMA3	Pins 1 & 2 closed	Pins 1 & 2 closed