UNIDENTIFIED
TURBO MAINBOARD MB-101
|
Processor |
8088 |
|
Processor Speed |
10MHz |
|
Chip Set |
None |
|
Max. Onboard DRAM |
640KB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
8087 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
CN1 |
Turbo switch |
JP3 |
|
Speaker |
CN3 |
Reset switch |
JP4 |
|
Turbo LED |
JP1 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Parity check enabled |
JP2 |
Open | |
|
Parity check disabled |
JP2 |
Closed | |
|
Factory configured - do not alter |
SW1/1 |
Off | |
|
NPU disabled |
SW1/2 |
Off | |
|
NPU enabled |
SW1/2 |
Off | |
|
DRAM CONFIGURATION | ||||||
|
Bank |
256KB |
256KB |
512KB |
512KB |
640KB |
640KB |
|
Bank 0 |
(8) 41256 |
NONE |
(8) 41256 |
NONE |
(8) 41256 |
NONE |
|
Bank 1 |
NONE |
NONE |
(8) 41256 |
NONE |
(8) 41256 |
NONE |
|
Bank 2 |
NONE |
NONE |
NONE |
NONE |
(8) 4164 |
NONE |
|
Bank 3 |
NONE |
NONE |
NONE |
NONE |
(8) 4164 |
NONE |
|
Bank 4 |
NONE |
(2) 44256 |
NONE |
(2) 44256 |
NONE |
(2) 44256 |
|
Bank 5 |
NONE |
NONE |
NONE |
(2) 44256 |
NONE |
(2) 44256 |
|
Bank 6 |
NONE |
NONE |
NONE |
NONE |
NONE |
(2) 4464 |
|
Bank 7 |
NONE |
NONE |
NONE |
NONE |
NONE |
(2) 4464 |
|
U9 |
(1) 41256 |
(1) 41256 |
(1) 41256 |
(1) 41256 |
(1) 41256 |
(1) 41256 |
|
U18 |
NONE |
NONE |
(1) 41256 |
(1) 41256 |
(1) 41256 |
(1) 41256 |
|
U27 |
NONE |
NONE |
NONE |
NONE |
(1) 4164 |
(1) 4164 |
|
U36 |
NONE |
NONE |
NONE |
NONE |
(1) 4164 |
(1) 4164 |
|
Note:If parity checking is disabled, then DRAM is not needed in U9, U18, U27, and U36. | ||||||
|
DRAM SWITCH CONFIGURATION | ||
|
Size |
SW1/3 |
SW1/4 |
|
256KB |
Open |
Open |
|
512KB |
Closed |
Open |
|
640KB |
Closed |
Closed |
|
FLOPPY DRIVE CONFIGURATION | ||
|
Drives installed |
SW1/7 |
SW1/8 |
|
1 |
(8) 41256 |
NONE |
|
2 |
(8) 41256 |
NONE |
|
3 |
(8) 4164 |
NONE |
|
4 |
(8) 4164 |
NONE |
|
MONITOR CONFIGURATION | ||
|
Type |
SW1/5 |
SW1/6 |
|
MGA |
Off |
Off |
|
CGA |
On |
Off |
|
EGA |
On |
On |