AMERICAN MEGATRENDS, INC.
JE 3025A/33A
|
Processor |
80386SX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
Unknown |
|
Max. Onboard DRAM |
32MB |
|
SRAM Cache |
64KB (Factory configured) |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card slot, CPU expansion card slot |
|
NPU Options |
80387 |

|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Turbo switch |
J8 |
|
Turbo LED |
J5 |
Reset switch |
J14 |
|
Speaker |
J6 |
32-bit external memory card |
S1 |
|
Power LED & keylock |
J7 |
CPU expansion card |
S2 |
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper/Switch |
Position |
||
|
|
DRAM address sequence select bank 0, then bank 1 |
J3 |
pins 1 & 2 closed pins 3 & 4 closed |
|
|
|
DRAM address sequence select bank 1, then bank 0 |
J3 |
pins 2 & 3 closed pins 4 & 5 closed |
|
|
» |
Factory configured - do not alter |
SW1/switch 1 |
open |
|
|
» |
Monitor type select color |
SW1/switch 2 |
closed |
|
|
|
Monitor type select monochrome |
SW1/switch 2 |
open |
|
|
|
Note: The cache memory is factory installed, and is not alterable. The size and location of the Cache and TAG chips are unknown. |
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DRAM CONFIGURATION |
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|
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 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |