UNIDENTIFIED
386DX-33/40
Processor |
80386DX/CX486DLC |
Processor Speed |
25/33/40MHz |
Chip Set |
OPTI |
Video Chip Set |
None |
Maximum Onboard Memory |
32MB |
Maximum Video Memory |
None |
Cache |
Unidentified |
BIOS |
AMI |
Dimensions |
220mm x 170mm |
I/O Options |
None |
NPU Options |
80387DX |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J2 |
Turbo switch |
JP5 |
Power LED & keylock |
J16 |
Turbo LED |
JP6 |
Speaker |
JP4 |
Reset switch |
S1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
CMOS memory normal operation |
JP1 |
Pins 2 & 3 closed |
CMOS memory clear |
JP1 |
Pins 1 & 2 closed | |
Monitor type select color |
JP2 |
Closed | |
Monitor type select monochrome |
JP2 |
Open | |
|
Factory configured - do not alter |
JP10 |
Unidentified |
DRAM CONFIGURATION | ||
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) 256K x 9 |
(4) 1M x 9 |
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) 1M x 9 |
(4) 4M x 9 |
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CACHE CONFIGURATION |
Note: The size of the cache unidentified. |
CPU SPEED SELECTION | |||
Speed |
JP7 |
JP8 |
JP9 |
25MHz |
Open |
Open |
Closed |
33MHz |
Open |
Closed |
Open |
40MHz |
Closed |
Closed |
Open |