GVC TECHNOLOGIES, INC.
486-33/50
Processor |
80486SX/80487SX/80486DX |
Processor Speed |
16/20/25/33/50MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
64MB |
Cache |
32/64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
4167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
Power LED & keylock |
J18 |
Reset switch |
J15 |
Speaker |
J19 |
Turbo switch |
J17 |
Turbo LED |
J20 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
Factory configured - do not alter |
J21 |
N/A | |
Monitor type select color |
J2 |
Closed | |
Monitor type select monochrome |
J2 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
5MB |
(4) 256K x 9 |
(4) 1 M x 9 |
NONE |
NONE |
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
9MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
NONE |
24MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 4M x 9 |
NONE |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
32KB |
(4) 8K x 8 |
NONE |
(2) 16K x 4 |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 16K x 4 |
128KB |
(4) 32K x 8 |
NONE |
(2) 16K x 4 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 16K x 4 |
CACHE JUMPER CONFIGURATION | |||||||||
Size |
J3 |
J4 |
J5 |
J6 |
J7 |
J8 |
J9 |
J10 |
J11 |
32KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
64KB |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
128KB |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||
Type |
J12 |
J13 |
J14 |
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
80487SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
Closed |
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |