MAGUS DATA TECHNOLOGY, INC.
S486VL EDITION 1.1
|
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
128MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo switch |
J1 |
Speaker |
J4 |
|
Turbo LED |
J2 |
Power LED & keylock |
J5 |
|
Reset switch |
J3 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Power good signal detect from power supply |
JP1 |
pins 1 & 2 closed |
|
Power good signal detect from board |
JP1 |
pins 2 & 3 closed | |
|
|
Monitor type select CGA/EGA/VGA |
JP2 |
pins 1 & 2 closed |
|
Monitor type select MDA/EGA/VGA |
JP2 |
pins 2 & 3 closed | |
|
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 |
|
64MB |
(4) 16M x 9 |
NONE |
|
65MB |
(4) 16M x 9 |
(4) 256K x 9 |
|
68MB |
(4) 16M x 9 |
(4) 1M x 9 |
|
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP4 |
JP5 |
JP6 |
|
80486SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
80487SX |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486DX |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486DX2 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
Pentium Overdrive |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION | |
|
Speed |
JP3 |
|
25MHz |
pins 1 & 2 closed |
|
33MHz |
pins 2 & 3 closed |
|
50iMHz |
pins 1 & 2 closed |
|
66iMHz |
pins 2 & 3 closed |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note:This board will handle a 80486DX4 with an adapter supplied from Magus. The settings for this adapter are unidentified by the manufacturer. |