BIOSTAR MICROTECH INTERNATIONAL CORPORATION
286 SYSTEM BOARD
|
Processor |
80286 |
|
Processor Speed |
10/12MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
AMI/Award/Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
KLCK |
Turbo LED |
TBLED |
|
Reset switch |
RST |
Turbo switch |
TBSW |
|
Speaker |
SPK | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Location | |
|
BIOS type select 27128 |
JP1 |
pins 2 & 3 closed | |
|
BIOS type select 27256 |
JP1 |
pins 1 & 2 closed | |
|
CPU slow speed select 8MHz |
JP6 |
Closed | |
|
CPU slow speed select 6MHz |
JP6 |
Open | |
|
Monitor type select color |
JP7 |
Closed | |
|
Monitor type select monochrome |
JP7 |
Open | |
|
DRAM speed select 0 wait states |
JP8 |
Closed | |
|
DRAM speed select 1 wait state |
JP8 |
Open | |
|
DRAM CONFIGURATION | |||||||
|
Size |
Bank 0 |
Bank 1 |
P-1 |
Bank 2 |
P-2 |
Bank 3 |
Bank 4 |
|
512KB 1 |
(18) 41256 |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
|
512KB 1 |
NONE |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
512KB 2 |
NONE |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
NONE |
|
640KB 1 |
(18) 41256 |
NONE |
NONE |
(4) 4464 |
(2) 4164 |
NONE |
NONE |
|
640KB 1 |
NONE |
(4) 44256 |
(2) 41256 |
(4) 4464 |
(2) 4164 |
NONE |
NONE |
|
640KB 2 |
(18) 4164 |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
NONE |
|
640KB 2 |
NONE |
NONE |
NONE |
(4) 4464 |
(2) 4164 |
(2) 256K x 9 |
NONE |
|
1MB 1 |
(18) 41256 |
NONE |
NONE |
(2) 44256 |
(4) 41256 |
NONE |
NONE |
|
1MB 1 |
(18) 41256 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
1MB 2 |
NONE |
NONE |
NONE |
NONE |
NONE |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB 1 |
(18) 411000 |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
|
2MB 2 |
NONE |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
4MB 1 |
(18) 411000 |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
4MB 2 |
NONE |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
|
Note 1 :Set JP9, JP10, and JP11 pins 2 & 3 closed.Note 2 :Set JP9, JP10, and JP11 pins 1 & 2 closed. | |||||||
|
DRAM JUMPER CONFIGURATION | |||
|
Size |
JP2 |
JP3 |
JP4 |
|
512KB |
Closed |
Closed |
Closed |
|
640KB |
Closed |
Closed |
Open |
|
1MB |
Closed |
Open |
Closed |
|
2MB |
Closed |
Open |
Open |
|
4MB |
Open |
Closed |
Closed |