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 |