TOP MICROSYSTEMS, INC.
JC-386SX
|
Processor |
80386SX |
|
Processor Speed |
16/20MHz |
|
Chip Set |
C & T NEAT |
|
Max. Onboard DRAM |
8MB |
|
Cache |
None |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 |
Reset switch |
J4 |
|
Turbo LED |
J2 |
External battery |
J5 |
|
Power LED & keylock |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color (CGA only) |
JP1 |
Closed | |
|
Monitor type select monochrome (any other) |
JP1 |
Open | |
|
CMOS memory normal operation |
JP2 |
pins 2 & 3 closed | |
|
CMOS memory clear |
JP2 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
P0 |
Bank 1 |
P1 |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
1MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
|
1.5MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 256K x 9 |
NONE |
|
2MB |
(4) 441000 |
(2) 411000 |
NONE |
NONE |
NONE |
NONE |
|
2MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2.5MB |
(4) 441000 |
(2) 411000 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
|
3MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 1M x 9 |
NONE |
|
3MB |
(4) 411000 |
(2) 411000 |
(4) 44256 |
(2) 41256 |
(2) 256K x 9 |
NONE |
|
4MB |
(4) 441000 |
(2) 411000 |
(4) 441000 |
(2) 411000 |
NONE |
NONE |
|
4.5MB |
(4) 441000 |
(2) 411000 |
(4) 441000 |
(2) 411000 |
(2) 256K x 9 |
NONE |
|
5MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 1M x 9 |
(2) 1M x 9 |
|
5MB |
(4) 441000 |
(2) 411000 |
(4) 441000 |
(2) 411000 |
(2) 256K x 9 |
(2) 256K x 9 |
|
6MB |
(4) 441000 |
(2) 411000 |
(4) 441000 |
(2) 411000 |
(2) 1M x 9 |
NONE |
|
8MB |
(4) 441000 |
(2) 411000 |
(4) 441000 |
(2) 411000 |
(2) 1M x 9 |
(2) 1M x 9 |