OGIVAR, INC.
SX386
|
Processor |
80386SX |
|
Processor Speed |
12/16MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
2MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo switch |
J14 |
Power LED & keylock |
P5 |
|
Speaker |
P3 |
External battery |
P8 |
|
Reset switch |
P4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
» |
AT bus clock speed select 8MHz |
J2 |
pins 1 & 2 closed |
|
AT bus clock speed select 12MHz |
J2 |
pins 2 & 3 closed | |
|
» |
BIOS type select 27256 |
J4 |
pins 2 & 3 closed |
|
BIOS type select 27128 |
J4 |
pins 1 & 2 closed | |
|
» |
Battery type select alkali |
J7 |
Closed |
|
Battery type select lithium |
J7 |
Open | |
|
» |
Power good signal detect from power supply |
J8 |
pins 2 & 3 closed |
|
Power good signal detect from board |
J8 |
pins 1 & 2 closed | |
|
» |
Memory wait state select 0 wait states |
J11 |
Closed |
|
Memory wait state select 1 wait state |
J11 |
Open | |
|
» |
Memory page interleave enabled |
J12 |
Open |
|
» |
Memory page interleave disabled |
J12 |
Closed |
|
» |
Turbo enabled |
J14 |
Open |
|
Turbo disabled |
J14 |
Closed | |
|
» |
Factory configured - do not alter |
SW1/1 |
Off |
|
» |
Factory configured - do not alter |
SW1/2 |
Off |
|
» |
Monitor type select color |
SW1/3 |
On |
|
Monitor type select monochrome |
SW1/3 |
Off | |
|
» |
Factory configured - do not alter |
SW1/4 |
Off |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
NONE |
NONE |
NONE |
|
1MB |
(4) 44256 |
(4) 44256 |
NONE |
NONE |
|
1.5MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
NONE |
|
2MB |
(4) 44256 |
(4) 44256 |
(4) 44256 |
(4) 44256 |
|
DRAM PARITY CONFIGURATION | ||||
|
Size |
Parity 0 |
Parity 1 |
Parity 2 |
Parity 3 |
|
512KB |
(2) 41256 |
NONE |
NONE |
NONE |
|
1MB |
(2) 41256 |
(2) 41256 |
NONE |
NONE |
|
1.5MB |
(2) 41256 |
(2) 41256 |
(2) 41256 |
NONE |
|
2MB |
(2) 41256 |
(2) 41256 |
(2) 41256 |
(2) 41256 |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
J3 |
J10 |
|
12MHz |
pins 2 & 3 closed |
Open |
|
16MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |