ZEOS INTERNATIONAL, LTD.
386SX-16
Processor |
80386SX |
Processor Speed |
16MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
4MB |
Cache |
None |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
80387SX |
CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
External battery |
J2 |
Turbo LED |
J30 |
Turbo switch |
J28 |
Power LED & keylock |
J31 |
Reset switch |
J29 |
Speaker |
J38 |
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
|
Parity checking enabled |
J13 |
pins 1 & 2 closed |
|
Parity checking disabled |
J13 |
pins 2 & 3 closed |
|
Factory configured - do not alter |
J20 |
N/A |
|
BIOS type select 27256 |
J21 |
Closed |
|
BIOS type select 27128 |
J21 |
Open |
|
ROM wait state select 3 wait states |
J22 |
Open |
|
ROM wait state select 2 wait states |
J22 |
Closed |
|
RAM read wait state select 1 wait state |
J23 |
Open |
|
RAM read wait state select 0 wait state |
J23 |
Closed |
|
RAM write wait state select 1 wait state |
J25 |
Open |
|
RAM write wait state select 0 wait state |
J25 |
Closed |
|
Turbo switch select jumper |
J32 |
pins 1 & 2 closed |
|
Turbo switch select keyboard |
J32 |
pins 2 & 3 closed |
|
ROM to RAM mapping disabled |
J33 |
Closed |
|
ROM to RAM mapping enabled |
J33 |
Open |
|
Monitor type select CGA |
J37 |
Closed |
|
Monitor type select Mono/EGA/VGA |
J37 |
Open |
DRAM CONFIGURATION |
||
Size |
Bank 0 |
Bank 1 |
512KB |
(18) 41256 |
NONE |
1MB |
(18) 41256 |
(18) 41256 |
2MB |
(18) 411000 |
NONE |
4MB |
(18) 411000 |
(18) 411000 |
DRAM JUMPER CONFIGURATION |
|||
Size |
J34 |
J35 |
J36 |
512KB |
Closed |
Closed |
Open |
1MB |
Closed |
Open |
Closed |
2MB |
Open |
Closed |
Open |
4MB |
Open |
Open |
Closed |
PAGEMODE CONFIGURATION |
|||
Function |
Jumper |
Position |
|
Interleave disabled |
J24 |
Open |
|
Interleave enabled (requires both memory banks full) |
J24 |
Closed |
|
Pagemode disabled |
J26 |
Open |
|
Pagemode enabled |
J26 |
Closed |
|
Pagemode controller installed |
J27 |
Open |
|
Pagemode controller not installed |
J27 |
Closed |
|
Note: J23 & J25 must be open to operate in pagemode. |