YOUNG MICRO SYTEMS, INC.
VEGA 486 EISA CACHE SERIES
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
20/25/33/50MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 |
Turbo LED |
J4 |
|
Power LED & keylock |
J2 |
Turbo switch |
J5 |
|
Reset |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
JP9 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP21 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP23 |
Closed | |
|
Monitor type select color |
JP24 |
Closed | |
|
Monitor type select monochrome |
JP24 |
Open | |
|
DRAM 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) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |
|
Size |
Bank 0 |
|
64KB |
(8) 8K x 8 |
|
128KB |
(8) 32K x 8 |
|
256KB |
(8) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP3 |
JP12 |
JP13 |
JP14 |
|
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP5 |
JP7 |
JP15 |
|
80486SX |
Open |
pins 2 & 3 closed |
Open |
|
80487SX |
pins 2 & 3 closed |
pins 1 & 2 closed |
Closed |
|
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |