SKYWELL TECHNOLOGY CORPORATION, LTD.
SW-486VM
Processor |
UMCSX/80486DX/AM486DX2/80486DX2/TI486DX4/AM486DX4/ 8046DX4/CX5X86/AM5X86 |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
VIA |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB (EDO supported) |
Maximum Video Memory |
None |
Cache |
128/256/512/1024KB |
BIOS |
Award |
Dimensions |
250mm x 220mm |
I/O Options |
32-bit PCI slots (3), floppy drive interface, game interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse interface |
CN1 |
External battery |
JBA1 |
PS/2 mouse port |
CN3 |
External battery |
JBA2 |
Game interface |
CN5 |
Power LED & keylock |
JW1 |
Parallel port |
CN7 |
Turbo LED |
JW2 |
Floppy drive interface |
CN8 |
Speaker |
JW3 |
Serial port 1 |
CN9 |
Turbo switch |
JW4 |
IDE interface 1 |
CN10 |
Reset switch |
JW5 |
IDE interface 2 |
CN11 |
IDE interface LED |
JW6 |
Serial port 2 |
CN12 |
32-bit PCI slots |
PC1 - PC3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Factory configured - do not alter |
J104 |
Unidentified |
|
Factory configured - do not alter |
J105 |
Unidentified |
|
Factory configured - do not alter |
J106 |
Unidentified |
|
Factory configured - do not alter |
JIDE |
Unidentified |
|
Factory configured - do not alter |
JG1 |
Unidentified |
|
Factory configured - do not alter |
JG2 |
Unidentified |
|
Factory configured - do not alter |
JG3 |
Unidentified |
|
Factory configured - do not alter |
JG4 |
Unidentified |
|
Factory configured - do not alter |
JM5 |
Unidentified |
|
Factory configured - do not alter |
JMS2 |
Unidentified |
|
Factory configured - do not alter |
JT1 |
Unidentified |
|
Factory configured - do not alter |
JT4 |
Unidentified |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 36 |
None |
None |
None |
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 |
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 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
7MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K 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 |
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
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) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
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) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K 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 |
22MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
25MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M 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 |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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 |
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 |
38MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
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) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
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 |
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) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M 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 |
65MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
66MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
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) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
97MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
98MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
100MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
104MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
112MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
None |
None |
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
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) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 |
512KB (B) |
(4) 128K x 8 |
None |
(1) 32K x 8 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 64K x 8 |
CACHE JUMPER CONFIGURATION | ||||||
Size |
JS1 |
JS2 |
JS3 |
JS4 |
JS5 |
JS6 |
128KB |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
256KB (A) |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
256KB (B) |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
512KB (A) |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
512KB (B) |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
1MB |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION | ||||
Speed |
JCK1 |
JCK2 |
JCK3 |
JCK4 |
25MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
33MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
40MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
50iMHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
50MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
66iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
75iMHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
100iMHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CPU TYPE SELECTION | |||||||
Type |
JC1 |
JC2 |
JC3 |
JC4 |
JC5 |
JT2 |
JT3 |
UMC SX |
1 & 2 |
2 & 3 |
1 & 2 |
Open |
Open |
Open |
Open |
80486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
AM486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Closed |
Open |
2 & 3 |
80486DX2 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
TI486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
AM486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
80486DX4 |
1 & 2 |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
Open |
CX 5X86 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
2 & 3 |
AM 5X86 |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
Note: Pins designated should be in the closed position. |
CPU VOLTAGE SELECTION | ||
Voltage |
JPW1 |
JPW2 |
3.3v |
Pins 7 & 8 closed |
Pins 2 & 3 closed |
3.45v |
Pins 5 & 6 closed |
Pins 2 & 3 closed |
3.6v |
Pins 3 & 4 closed |
Pins 2 & 3 closed |
4v |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
5v |
Open |
Pins 1 & 2 closed |
BATTERY SELECTION | ||
Setting |
JBA1 |
JBA2 |
External |
Pins 3 & 4 closed |
Open |
Internal |
Pins 2 & 3 closed |
Open |
CMOS normal operation |
Pins 2 & 3 closed |
Closed |
CMOS memory clear |
Pins 3 & 4 closed |
N/A |