PIONEER COMPUTER, INC.
VANTAGE 486NC SX-20/25/33
Processor |
80486SX/ODP486SX |
Processor Speed |
20/25/33/40(internal)/50(internal)/66(internal)MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
32MB |
Cache |
None |
BIOS |
Phoenix |
Dimensions |
240mm x 220mm |
I/O Options |
None |
NPU Options |
80487SX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Turbo LED |
J2 |
Speaker |
J5 |
Turbo switch |
J3 |
Power LED & keylock |
J6 |
Reset switch |
J4 |
External battery |
J7 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
CMOS memory normal operation |
JP3 |
pins 1 & 2 closed | |
CMOS memory clear |
JP3 |
pins 2 & 3 closed | |
80487SX or ODP486SX upgrade not installed |
JP4 |
pins 1 & 2 closed | |
80487SX or ODP486SX upgrade installed |
JP4 |
pins 2 & 3 closed | |
Factory configured - do not alter |
JP6 |
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 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |