AMERICAN MEGATRENDS, INC.
AMI 386SX-I
|
Processor |
80386SX |
|
Processor Speed |
16/20MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
8MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J5 |
Turbo LED |
J14 |
|
Speaker |
J10 |
Turbo switch |
J18 |
|
Power LED & keylock |
J11 |
Reset switch |
J19 |
|
USER CONFIGURABLE SETTINGS | ||||
|
Function |
Jumper/Switch |
Position | ||
| » |
Keyboard reset enabled |
J2 |
Closed | |
|
Keyboard reset disabled |
J2 |
Open | ||
| » |
Factory configured - do not alter |
J17 |
N/A | |
| » |
BIOS type select 2764 or 27128 |
J26 |
pins 1 & 2 closed | |
|
BIOS type select 27256 |
J26 |
pins 2 & 3 closed | ||
| » |
Factory configured - do not alter |
SW1/1 |
Off | |
| » |
Monitor type select monochrome |
SW1/2 |
Off | |
|
Monitor type select color |
SW1/2 |
On | ||
|
Note : The location of J17 is unidentified. | ||||
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(2) 256K x 9 |
NONE |
NONE |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM SPEED CONFIGURATION | ||
|
Speed |
J8 |
J9 |
|
100ns fast page |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
100ns |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
120ns |
pins 2 & 3 closed |
pins 2 & 3 closed |