DTK COMPUTER, INC.
MBVLSI-168 (V.2)
|
Processor |
80286 |
|
Processor Speed |
8/12MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
4MB |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
JP1 |
Turbo switch |
JP4 |
|
Power LED & keylock |
JP2 |
Turbo LED |
JP5 |
|
Speaker |
JP3 |
External battery |
JP17 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured - do not alter (100ns memory) |
JP6 |
Pins 1 & 2 closed |
|
Wait state select 0 wait states |
JP10 |
Closed | |
|
Wait state select 1 wait state |
JP10 |
Open | |
|
BIOS type select 27256 |
JP11 |
Closed | |
|
BIOS type select 27128 |
JP11 |
Open | |
|
Monitor type select color |
JP12 |
Closed | |
|
Monitor type select monochrome |
JP12 |
Open | |
|
|
Power good signal detect from board |
JP16 |
Pins 1 & 2 closed |
|
Power good signal detect from power supply |
JP16 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION 1 | ||||
|
Size |
Bank 0A |
Parity 0 |
Bank 0B |
Parity 1 |
|
512KB |
(4) 44256 |
(2) 41256 |
None |
None |
|
1MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
|
DRAM JUMPER CONFIGURATION 1 | |||
|
Size |
JP7 |
JP8 |
JP9 |
|
512KB |
Closed |
Closed |
Closed |
|
1MB |
Closed |
Open |
Closed |
|
DRAM CONFIGURATION 2 | ||||
|
Size |
Bank 0 |
Parity 0 |
Bank 1 |
Parity 1 |
|
512KB |
(16) 41256 |
(2) 41256 |
None |
None |
|
640KB |
(16) 41256 |
(2) 41256 |
(16) 4164 |
(2) 4164 |
|
1MB |
(16) 41256 |
(2) 41256 |
(16) 41256 |
(2) 41256 |
|
2MB |
(16) 411000 |
(2) 411000 |
None |
None |
|
4MB |
(16) 411000 |
(2) 411000 |
(16) 411000 |
(2) 411000 |
|
DRAM JUMPER CONFIGURATION 2 | |||
|
Size |
JP7 |
JP8 |
JP9 |
|
512KB |
Closed |
Closed |
Closed |
|
640KB |
Closed |
Closed |
Open |
|
1MB |
Closed |
Open |
Closed |
|
2MB |
Closed |
Open |
Open |
|
4MB |
Open |
Closed |
Closed |
|
DRAM CONFIGURATION 3 | ||
|
Size |
Bank 2 |
Bank 3 |
|
512KB |
(2) 256K x 9 |
None |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
None |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM JUMPER CONFIGURATION 3 | |||
|
Size |
JP7 |
JP8 |
JP9 |
|
512KB |
Closed |
Closed |
Closed |
|
1MB |
Closed |
Open |
Closed |
|
2MB |
Closed |
Open |
Open |
|
4MB |
Open |
Closed |
Closed |
|
KEYBOARD BIOS PIN SELECTION | ||||
|
Setting |
JP13 |
JP14 |
JP15 |
JP18 |
|
Pin 23 |
Open |
Closed |
Open |
Open |
|
Pin 27 |
Open |
Open |
Closed |
Open |
|
Pin 30 |
Closed |
Open |
Open |
Open |
|
Pin 32 |
Open |
Open |
Open |
Closed |