AST RESEARCH, INC.
ADVANTAGE! PRO 486 (202560-000, 102)
Processor |
80486SX/80487SX/ODP486SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
64MB |
Cache |
64/256KB |
BIOS |
Unidentified |
Dimensions |
355mm x 305mm |
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), 8514 video pass through connector, VGA port |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
VGA port |
CN1 |
IDE interface |
J22 |
Parallel port |
CN2 |
Floppy drive interface |
J24 |
Serial port |
CN3 |
Speaker |
J27 |
Serial port |
CN4 |
Chassis fan power |
J28 |
PS/2 mouse port |
CN5 |
Front panel connector |
J29 |
8514 video pass through connector |
J19 | ||
Note: The location of J27 is unidentified. |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Monitor type select color |
E4 |
Closed |
Monitor type select monochrome |
E4 |
Open | |
» |
On board video enabled |
E5 |
Closed |
On board video disabled |
E5 |
Open | |
» |
Password enabled |
E6 |
Open |
Password disabled |
E6 |
Closed | |
» |
Parallel port IRQ select IRQ7 |
E12 |
pins 1 & 2 closed |
Parallel port IRQ select IRQ5 |
E12 |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 256K x 32 |
NONE |
NONE |
NONE |
2MB |
(1) 256K x 32 |
(1) 256K x 32 |
NONE |
NONE |
3MB |
(1) 256K x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
NONE |
4MB |
(1) 1M x 32 |
NONE |
NONE |
NONE |
4MB |
(1) 256K x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
5MB |
(1) 1M x 32 |
(1) 256K x 32 |
NONE |
NONE |
6MB |
(1) 1M x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
NONE |
7MB |
(1) 1M x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
8MB |
(1) 1M x 32 |
(1) 1M x 32 |
NONE |
NONE |
9MB |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 256K x 32 |
NONE |
10MB |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
12MB |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
NONE |
13MB |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 256K x 32 |
16MB |
(1) 4M x 32 |
NONE |
NONE |
NONE |
16MB |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
17MB |
(1) 4M x 32 |
(1) 256K x 32 |
NONE |
NONE |
18MB |
(1) 4M x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
NONE |
19MB |
(1) 4M x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
20MB |
(1) 4M x 32 |
(1) 1M x 32 |
NONE |
NONE |
21MB |
(1) 4M x 32 |
(1) 1M x 32 |
(1) 256K x 32 |
NONE |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
22MB |
(1) 4M x 32 |
(1) 1M x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
24MB |
(1) 4M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
NONE |
25MB |
(1) 4M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 256K x 32 |
28MB |
(1) 4M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
32MB |
(1) 4M x 32 |
(1) 4M x 32 |
NONE |
NONE |
33MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 256K x 32 |
NONE |
34MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 256K x 32 |
(1) 256K x 32 |
36MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 1M x 32 |
NONE |
37MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 1M x 32 |
(1) 256K x 32 |
40MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 1M x 32 |
(1) 1M x 32 |
48MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 4M x 32 |
NONE |
49MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 256K x 32 |
52MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 1M x 32 |
64MB |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 4M x 32 |
(1) 4M x 32 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
64KB |
(8) 8K x 8 |
(1) 8K x 9 |
256KB |
(8) 32K x 8 |
(1) 32K x 9 |
CACHE JUMPER CONFIGURATION | |||
Size |
E1 |
E2 |
E3 |
None |
Open |
Open |
Open |
64KB |
Open |
Open |
Open |
256KB |
Closed |
Closed |
Closed |
CPU TYPE CONFIGURATION | ||||||
Type |
E11 |
E13 |
E14 |
E15 |
E16 |
E17 |
80486SX(PQFP) |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
80486SX(PGA) |
Closed |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
80487SX |
Closed |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
ODP486SX |
Closed |
Closed |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
80486DX |
Closed |
Closed |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
80486DX2 |
Closed |
Closed |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
P24T |
Closed |
Closed |
2 & 3 |
2 & 3 |
2 & 3 |
Open |
Note: Pins designated should be in the closed position. The location of the PQFP is unidentified. |
CPU SPEED CONFIGURATION | ||
Speed |
E9 |
E10 |
25MHz |
Closed |
Closed |
33MHz |
Open |
Closed |
50iMHz |
Closed |
Closed |
66iMHz |
Open |
Closed |
VIDEO MEMORY CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
512KB |
(4) 256K x 4 |
NONE |
1MB |
(4) 256K x 4 |
(4) 256K x 4 |