UNIDENTIFIED
AT-386
|
Processor |
80386 |
|
Processor Speed |
25MHz |
|
Chip Set |
VLSI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
8MB |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287/80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Reset switch |
J13 |
|
Speaker |
J2 |
External battery |
J14 |
|
MIPS counter |
J3 |
On board LED |
J15 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured - do not alter |
J4 |
Unidentified |
|
80287 enabled |
J5 |
Closed | |
|
80287 disabled |
J5 |
Open | |
|
|
CMOS memory normal operation |
J6 |
Pins 1 & 2 closed |
|
CMOS memory clear |
J6 |
Pins 2 & 3 closed | |
|
Monitor type select color |
J11 |
Closed | |
|
Monitor type select monochrome |
J11 |
Open | |
|
Reset valid after keyboard is locked |
J12 |
Pins 1 & 2 closed | |
|
Reset valid at all times |
J12 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512MB |
(2) 256K x 9 |
None |
None |
None |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
None |
None |
|
1.5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
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 |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
None |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
NPU SPEED SELECTION | ||
|
Speed |
J7 |
J8 |
|
Low speed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
10MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |