AST RESEARCH, INC.
ADVANTAGE+ (CHINA) 486 (202676-F08)
Processor |
80486SX/80486DX/CX486DX2/80486DX2/CX5X86 |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
20MB |
Cache |
None |
BIOS |
Unidentified |
Dimensions |
220mm x 220mm |
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA feature connector, VGA port, riser slot |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
VGA port |
CN1 |
IDE interface LED |
E13 |
Parallel port |
CN2 |
VGA feature connector |
J19 |
Serial port |
CN3 |
IDE interface |
J22 |
PS/2 mouse port |
CN4 |
Floppy drive interface |
J24 |
Reset switch |
E11 |
Chassis fan power |
J28 |
Power LED |
E12 |
Riser slot |
SL1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
E1 |
Open |
|
Factory configured - do not alter |
E2 |
Open |
|
On board video enabled |
E3 |
Closed |
On board video disabled |
E3 |
Open | |
|
Monitor type select color |
E4 |
Open |
Monitor type select monochrome |
E4 |
Closed | |
|
Password enabled |
E5 |
Open |
Password disabled |
E5 |
Closed | |
|
Factory configured - do not alter |
E8 |
Open |
|
Flash BIOS normal operation |
E14 |
Open |
Flash BIOS force update at boot |
E14 |
Closed | |
|
Factory configured - do not alter |
E16 |
Open |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
4MB |
4MB |
NONE |
5MB |
4MB |
(1) 256K x 32 |
8MB |
4MB |
(1) 4M x 32 |
20MB |
4MB |
(1) 4M x 32 |
Note: Bank 0 is factory installed and is not configurable. |
CPU TYPE CONFIGURATION | ||||
Type |
E6 |
E7 |
E9 |
E10 |
80486SX |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
pins 1 & 2 closed |
80486DX |
pins 1 & 2 closed |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
80486DX2 |
pins 1 & 2 closed |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
Note: Upgrades are not supported. These settings are for reference only. |