JPN CORPORATION
MB386SX
|
Processor |
80386SX |
|
Processor Speed |
16/20/25MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
JP20 |
Turbo switch |
JP52 |
|
Power LED & keylock |
JP30 |
Turbo LED |
JP56 |
|
Reset switch |
JP51 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Pipeline mode enabled |
JP10 |
closed | |
|
Pipeline mode disabled |
JP10 |
open | |
|
BIOS type select 27256 |
JP23 JP24 |
open closed | |
|
BIOS type select 27128 |
JP23 JP24 |
open open | |
|
BIOS type select 27512 |
JP23 JP24 |
closed closed | |
|
Parity check enabled |
JP25 |
closed | |
|
Parity check disabled |
JP25 |
open | |
|
Monitor type select color |
JP31 |
closed | |
|
Monitor type select monochrome |
JP31 |
open | |
|
Power good signal detect from board |
JP55 |
pins 1 & 2 closed | |
|
Power good signal detect from power supply |
JP55 |
pins 2 & 3 closed | |
|
CMOS memory normal operation |
JP58 |
pins 1 & 2 closed | |
|
CMOS memory clear |
JP58 |
pins 3 & 4 closed | |
|
Factory configured - do not alter |
JP59 |
N/A | |
|
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 |
|
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) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
3MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 1M x 9 |
NONE |
|
4MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |