MONOLITHIC SYSTEMS, INC. (COLORADO MSI)
MICROFRAME 386CT
Processor |
80386DX |
Processor Speed |
20/25MHz |
Chip Set |
C & T |
Max. Onboard DRAMe |
8MB |
Cache |
32KB |
BIOS |
AMI/Phoenix |
Dimensions |
301mm x 350mm |
I/O Options |
32-bit external memory card slots (2) |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Reset switch |
J22 |
Speaker |
J26 pin 9 |
CPU ready LED |
J23 |
Power LED & keylock |
J27 |
Turbo LED |
J24 |
Speaker |
J28 |
Ready |
J26 pin 2 |
Auxiliary keyboard |
J31 |
Keylock |
J26 pin 3 |
Disk access LED |
J32 |
Turbo |
J26 pin 4 |
External battery |
J34 |
Disk |
J26 pin 6 |
32-bit external memory cards |
S1 & S2 |
Reset |
J26 pin 7 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Factory configured - do not alter |
J17 |
N/A |
» |
Monitor type select color |
J25 |
pins 2 & 3 closed |
Monitor type select monochrome |
J25 |
pins 1 & 2 closed | |
» |
CMOS memory normal operation |
J36 |
Open |
CMOS memory clear |
J36 |
Closed |
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 |
J21 |
J37 |
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
Enabled |
pins 2 & 3 closed |
pins 2 & 3 closed |