SPRING CIRCLE COMPUTER, INC.
80386SX
|
Processor |
80386SX |
|
Processor Speed |
25MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
220mm x 236mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J17 |
Turbo switch |
J24 |
|
Speaker |
J21 |
Turbo LED |
J25 |
|
Power LED & keylock |
J22 |
Reset switch |
J26 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
J16 |
Open | |
|
CMOS memory clear |
J16 |
Closed | |
|
Battery select internal |
J17 |
pins 2 & 3 closed | |
|
Battery select external |
J17 |
Closed | |
|
Monitor type select color |
J18 |
Closed | |
|
Monitor type select monochrome |
J18 |
Open | |
|
Floppy drive current select low (12mA) |
J19 |
Open | |
|
Floppy drive current select high (24mA) |
J19 |
Closed | |
|
Pipeline mode disabled |
J20 |
Open | |
|
Pipeline mode enabled |
J20 |
Closed | |
|
NPU disabled |
J23 |
pins 2 & 3 closed | |
|
NPU enabled |
J23 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Parity (P-0) |
Bank 1 |
Parity (P-1) |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
512KB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
NONE |
|
1MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
|
1MB |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(4) 441000 |
(2) 411000 |
NONE |
NONE |
NONE |
NONE |
|
2MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
4MB |
(4) 441000 |
(2) 411000 |
(4) 441000 |
(2) 411000 |
NONE |
NONE |
|
4MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
|
8MB |
NONE |
NONE |
NONE |
NONE |
(2) 4M x 9 |
NONE |
|
16MB |
NONE |
NONE |
NONE |
NONE |
(2) 4M x 9 |
(2) 4M x 9 |