UNIDENTIFIED
TTL 386-33/25
|
Processor |
80386DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
Unknown |
|
Max. onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
325mm x 308mm |
|
I/O Options |
32-bit external memory card |
|
NPU Options |
80387DX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 |
External battery |
J22 |
|
Power LED & keylock |
J2 |
Turbo Switch |
J24 |
|
Turbo LED |
J16 |
32-bit external memory card |
S1 |
|
Reset switch |
J18 | ||
|
Note:The exact location of J24 is unknown. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Power good signal detect from power supply |
JP |
pins 1 & 2 closed | |
|
Power good signal detect from board |
JP |
pins 2 & 3 closed | |
|
Factory configured - do not alter |
JP13 |
pins 1 & 3, 2 & 4 closed, 5 & 6 open | |
|
Monitor type select color |
JP19 |
Closed | |
|
Monitor type select monochrome |
JP19 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 (ML1, ML2, ML3, ML4) |
Bank 1 (MH1, MH2, MH3, MH4) |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
DRAM JUMPER CONFIGURATION | |
|
Size |
J12 |
|
1MB |
pins 1 & 2, 3 & 4 closed, pins 5 & 6 open |
|
2MB |
pins 1 & 2, 5 & 6 open, pins 3 & 4 closed |
|
4MB |
pins 3 & 4, 5 & 6, open, pins 1 & 2 closed |
|
8MB |
pins 1 & 2, 3 & 4 ,5 & 6 open |
|
NPU CONFIGURATION | |
|
NPU |
J14 |
|
Enabled |
Pins 1 & 2 open, pins 3 & 5, 4 & 6 closed |
|
Disabled |
pins 1 & 3, 2 & 4 closed, pins 5 & 6 open |