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 |