SOYO COMPUTER CO., LTD.
SY-30 A/B/C
Processor |
CX486S/AM486SX/80486SX/SL80486SX/CX486DX/AM486DX/ 80486DX/SL80486DX/AM486DX2/80486DX2/SL80486DX2/ 80486DX4/P24D/P24T |
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB |
Maximum Video Memory |
None |
Cache |
256/512/1024KB |
BIOS |
Award |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2), 32-bit PCI slots (4), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
J17 |
Green PC connector (SYNCEN) |
JP6 |
Speaker |
J18 |
Green PC connector (HSYNCH) |
JP7 |
Reset switch |
J19 |
Green PC connector(VSYNCH) |
JP8 |
External battery |
J20 |
Green PC LED |
JP18 |
Turbo switch |
J21 |
Green PC connector |
JP42 |
Turbo LED |
J22 |
32-bit PCI slots |
PC1 – PC4 |
Green PC connector (GPORT) |
JP2 |
32-bit VESA local bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Monitor type select monochrome |
JP3 |
Open |
Monitor type select EGA/VGA |
JP3 |
Closed | |
» |
CMOS memory normal operation |
JP5 |
Pins 1 & 2 closed |
CMOS memory clear |
JP5 |
Pins 2 & 3 closed |
SIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
None |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
None |
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
None |
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
64MB |
(4) 16M x 9 |
None |
80MB |
(4) 4M x 9 |
(4) 16M x 9 |
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
256KB (B) |
(4) 64K x 8 |
None |
(1) 32K x 8 |
512KB (A) |
(4) 128K x 8 |
None |
(1) 32K x 8 |
512KB (B) |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size |
JP13 |
JP14 |
JP33 |
256KB (A) |
Pins 1 & 2 closed |
Any setting |
Pins 1 & 2 closed |
256KB (B) |
Pins 2 & 3 closed |
Any setting |
Pins 1 & 2 closed |
512KB (A) |
Pins 2 & 3 closed |
Any setting |
Pins 2 & 3 closed |
512KB (B) |
Any setting |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
1MB |
Any setting |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU SPEED SELECTION | ||||
Speed |
JP34 |
JP35 |
JP36 |
JP39 |
25MHz |
Closed |
Open |
Open |
Closed |
33MHz |
Closed |
Closed |
Closed |
Open |
40MHz |
Closed |
Closed |
Open |
Open |
50iMHz |
Closed |
Open |
Open |
Closed |
50MHz |
Open |
Open |
Closed |
Open |
66iMHz |
Closed |
Closed |
Closed |
Open |
75iMHz |
Closed |
Open |
Open |
Closed |
100iMHz |
Closed |
Closed |
Closed |
Open |
CPU TYPE SELECTION | |||||
Type |
JP31 |
JP32 |
JP40 |
JP41 |
JP45 |
CX486S |
4 & 5 |
5 & 6 |
2 & 3 |
2 & 3 |
2 & 3 |
AM486SX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
80486SX |
Open |
Open |
Open |
2 & 3 |
1 & 2 |
SL80486SX |
3 & 4, 5 & 6 |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
CX486DX |
4 & 5 |
5 & 6 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
AM486DX |
Open |
Open |
Open |
1 & 2, 3 & 4 |
1 & 2 |
80486DX |
Open |
Open |
Open |
1 & 2, 3 & 4 |
1 & 2 |
SL80486DX |
3 & 4, 5 & 6 |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
AM486DX2 |
Open |
Open |
Open |
1 & 2, 3 & 4 |
1 & 2 |
80486DX2 |
Open |
Open |
Open |
1 & 2, 3 & 4 |
1 & 2 |
SL80486DX2 |
3 & 4, 5 & 6 |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
80486DX4 |
3 & 4, 5 & 6 |
Open |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
P24D |
3 & 4, 5 & 6 |
2 & 3, 4 & 5 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
2 & 3 |
P24T |
5 & 6 |
3 & 4 |
1 & 2 |
1 & 2, 3 & 4 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION (CON’T) | |||||
Type |
JP46 |
JP52 |
JP53 |
JP54 |
JP63 |
CX486S |
1 & 3, 2 & 4 |
Open |
Closed |
1 & 2 |
Closed |
AM486SX |
1 & 3, 2 & 4 |
Open |
Open |
Open |
Open |
80486SX |
1 & 3, 2 & 4 |
Open |
Open |
Open |
Open |
SL80486SX |
1 & 3, 2 & 4 |
Open |
Open |
Open |
Open |
CX486DX |
1 & 3, 2 & 4 |
2 & 3 |
Open |
1 & 2 |
Closed |
AM486DX |
1 & 3, 2 & 4 |
2 & 3 |
Open |
Open |
Open |
80486DX |
1 & 3, 2 & 4 |
2 & 3 |
Open |
Open |
Open |
SL80486DX |
1 & 3, 2 & 4 |
2 & 3 |
Open |
Open |
Open |
AM486DX2 |
1 & 3, 2 & 4 |
2 & 3 |
Open |
Open |
Open |
80486DX2 |
1 & 3, 2 & 4 |
2 & 3 |
Open |
Open |
Open |
SL80486DX2 |
1 & 3, 2 & 4 |
2 & 3 |
Open |
Open |
Open |
80486DX4 |
3 & 5, 4 & 6 |
2 & 3 |
Open |
Open |
Open |
P24D |
1 & 3, 2 & 4 |
2 & 3 |
Open |
2 & 3 |
Open |
P24T |
1 & 3, 2 & 4 |
1 & 2 |
Open |
1 & 2 |
Open |
Note: Pins designated should be in the closed position. |
CPU MULTIPLIER SELECTION (80486DX4 ONLY) | |
Multiplier |
JP64 |
2x |
Pins 2 & 3 closed |
2.5x |
Pins 4 & 5 closed |
3x |
Pins 1 & 2 closed |
WAIT STATE SELECTION | ||
Setting |
JP38 | |
0 |
Open | |
» |
1 |
Closed |
VL-BUS SPEED SELECTION | ||
Setting |
JP37 | |
<= 33MHz |
Open | |
» |
>33 MHz |
Closed |
PCI BUS CLOCK SELECTION | ||
Setting |
JP20 |
JP27 |
ASYNCH |
Closed |
Pins 2 & 3 closed |
SYNCH |
Open |
Pins 1 & 2 closed |
PCI TRIGGER SELECTION | ||||
Setting |
JP9 (PC3) |
JP10 (PC4) |
JP11 (PC1) |
JP12 (PC2) |
Level |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Edge |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
PCI INTERRUPT SELECTION (IRQ14 FOR PCI1) | ||
Setting |
JP10B |
JP10L |
Level |
Pins 1 & 2 closed |
N/A |
Edge |
N/A |
Closed |
PCI INTERRUPT SELECTION (PCI 2, 3, 4) | ||||||
IRQ |
Setting |
JP10A |
JP10B |
JP10C |
JP10D |
JP10E |
3 |
Level |
Open |
Open |
Open |
Open |
Open |
3 |
Edge |
Open |
Open |
Open |
Open |
Open |
4 |
Level |
Open |
Open |
Open |
Open |
Open |
4 |
Edge |
Open |
Open |
Open |
Open |
Open |
5 |
Level |
Open |
Open |
Open |
Open |
Open |
5 |
Edge |
Open |
Open |
Open |
Open |
Open |
6 |
Level |
Open |
Open |
Open |
Open |
Open |
6 |
Edge |
Open |
Open |
Open |
Open |
Open |
7 |
Level |
Open |
Open |
Open |
Open |
Open |
7 |
Edge |
Open |
Open |
Open |
Open |
Open |
9 |
Level |
Open |
Open |
Open |
Open |
Open |
9 |
Edge |
Open |
Open |
Open |
Open |
Open |
10 |
Level |
Open |
Open |
Open |
Open |
1 & 2 |
10 |
Edge |
Open |
Open |
Open |
Open |
2 & 3 |
11 |
Level |
Open |
Open |
Open |
1 & 2 |
Open |
11 |
Edge |
Open |
Open |
Open |
2 & 3 |
Open |
12 |
Level |
Open |
Open |
1 & 2 |
Open |
Open |
12 |
Edge |
Open |
Open |
2 & 3 |
Open |
Open |
14 |
Level |
Open |
1 & 2 |
Open |
Open |
Open |
14 |
Edge |
Open |
2 & 3 |
Open |
Open |
Open |
15 |
Level |
1 & 2 |
Open |
Open |
Open |
Open |
15 |
Edge |
2 & 3 |
Open |
Open |
Open |
Open |
Note: Pins designated should be in the closed position. |
PCI INTERRUPT SELECTION (PCI 2, 3, 4) | |||||||
IRQ |
Setting |
JP10F |
JP10G |
JP10H |
JP10I |
JP10J |
JP10K |
3 |
Level |
Open |
Open |
Open |
Open |
Open |
1 & 2 |
3 |
Edge |
Open |
Open |
Open |
Open |
Open |
2 & 3 |
4 |
Level |
Open |
Open |
Open |
Open |
1 & 2 |
Open |
4 |
Edge |
Open |
Open |
Open |
Open |
2 & 3 |
Open |
5 |
Level |
Open |
Open |
Open |
1 & 2 |
Open |
Open |
5 |
Edge |
Open |
Open |
Open |
2 & 3 |
Open |
Open |
6 |
Level |
Open |
Open |
1 & 2 |
Open |
Open |
Open |
6 |
Edge |
Open |
Open |
2 & 3 |
Open |
Open |
Open |
7 |
Level |
Open |
1 & 2 |
Open |
Open |
Open |
Open |
7 |
Edge |
Open |
2 & 3 |
Open |
Open |
Open |
Open |
9 |
Level |
1 & 2 |
Open |
Open |
Open |
Open |
Open |
9 |
Edge |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
10 |
Level |
Open |
Open |
Open |
Open |
Open |
Open |
10 |
Edge |
Open |
Open |
Open |
Open |
Open |
Open |
11 |
Level |
Open |
Open |
Open |
Open |
Open |
Open |
11 |
Edge |
Open |
Open |
Open |
Open |
Open |
Open |
12 |
Level |
Open |
Open |
Open |
Open |
Open |
Open |
12 |
Edge |
Open |
Open |
Open |
Open |
Open |
Open |
14 |
Level |
Open |
Open |
Open |
Open |
Open |
Open |
14 |
Edge |
Open |
Open |
Open |
Open |
Open |
Open |
15 |
Level |
Open |
Open |
Open |
Open |
Open |
Open |
15 |
Edge |
Open |
Open |
Open |
Open |
Open |
Open |
Note: Pins designated should be in the closed position. |