MONOLITHIC SYSTEMS, INC. (COLORADO MSI)
MICROFRAME 386CX
|
Processor |
80386DX |
|
Processor Speed |
20/25MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
8MB |
|
Cache |
32KB |
|
BIOS |
AMI/Phoenix |
|
Dimensions |
349.2mm x 330.2mm |
|
I/O Options |
32-bit external memory cards (4), serial ports (2), parallel port |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Auxiliary keyboard |
J8 |
|
Disk access LED |
J2 |
Serial port 2 |
J10 |
|
No charge (key) |
J6 pin 1 |
Parallel port |
J11 |
|
Ready |
J6 pin 2 |
Serial port 1 |
J12 |
|
Keylock |
J6 pin 3 |
Reset switch |
J13 |
|
Turbo |
J6 pin 4 |
CPU ready LED |
J14 |
|
No charge |
J6 pin 5 |
Turbo LED |
J15 |
|
Disk access |
J6 pin 6 |
Speaker |
J34 |
|
Reset |
J6 pin 7 |
32-bit external memory card |
S1 |
|
Ground |
J6 pin 8 |
32-bit external memory card |
S2 |
|
Speaker |
J6 pin 9 |
32-bit external memory card |
S3 |
|
+5VDC |
J6 pin 10 |
32-bit external memory card |
S4 |
|
Power LED & keylock |
J7 | ||
|
Note:J2 is used only when a disk access signal is connected to J6 pin 6. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
J16 |
pins 2 & 3 closed | |
|
Monitor type select monochrome |
J16 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
J17 |
N/A | |
|
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 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
NPU CONFIGURATION | ||
|
Setting |
J22 |
J23 |
|
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
Enabled |
pins 2 & 3 closed |
pins 2 & 3 closed |