UNIDENTIFIED
TXM/10-IV
Processor |
8088 |
Processor Speed |
4.77/10MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
1MB |
Cache |
None |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
None |
NPU Options |
8087 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker |
JP7 |
Turbo switch |
JP10 |
Reset switch |
JP8 |
Keylock |
JP11 |
Turbo LED |
JP9 |
Power LED |
JP12 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
» |
Parity enabled |
JP6 |
Open |
Parity disabled |
JP6 |
Closed | |
» |
Factory configured - do not alter |
SW1/1 |
Off |
» |
NPU disabled |
SW1/2 |
On |
NPU enabled |
SW1/2 |
Off | |
» |
Factory configured - do not alter |
SW1/3 |
Off |
» |
Factory configured - do not alter |
SW1/4 |
Off |
DRAM CONFIGURATION | ||||||||
Size |
Bank 0 |
Bank 1 |
Bank 2A |
Bank 3A |
Bank 2B |
Bank 3B |
Bank 2C |
Bank 3C |
256KB |
(2)44256 |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
512KB |
(2)44256 |
(2)44256 |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
640KB |
(2)44256 |
(2)44256 |
NONE |
NONE |
(2)4464 |
(2)4464 |
NONE |
NONE |
640KB |
(2)44256 |
(2)44256 |
NONE |
NONE |
(2)4164 |
(2)4164 |
(6)4164 |
(6)4164 |
1MB |
(2)44256 |
(2)44256 |
(2)44256 |
(2)44256 |
NONE |
NONE |
NONE |
NONE |
DRAM PARITY CONFIGURATION | ||||||||
Size |
P 0 |
P 1 |
P 2A |
P 3A |
P 2B |
P 3B |
P 2C |
P 3C |
256KB |
(1)41256 |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
512KB |
(1)41256 |
(1)41256 |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
640KB |
(1)41256 |
(1)41256 |
NONE |
NONE |
NONE |
NONE |
(1)4164 |
(1)4164 |
640KB |
(1)41256 |
(1)41256 |
NONE |
NONE |
NONE |
NONE |
(2)4164 |
(2)4164 |
1MB |
(1)41256 |
(1)41256 |
(1)41256 |
(1)41256 |
NONE |
NONE |
NONE |
NONE |
DRAM SWITCH CONFIGURATION | ||
Size |
SW1/9 |
SW1/10 |
256KB |
On |
On |
512KB |
Off |
On |
640KB |
On |
Off |
1MB |
Off |
Off |
VIDEO TYPE CONFIGURATION | ||
Type |
SW1/5 |
SW1/6 |
CGA (40 x 25) |
Off |
On |
CGA (80 x 25) |
On |
Off |
EGA/VGA |
On |
On |
MGA |
Off |
Off |
FLOPPY DRIVE CONFIGURATION | ||
Floppy drives installed |
SW1/7 |
SW1/8 |
1 |
On |
On |
2 |
Off |
On |
3 |
On |
Off |
4 |
Off |
Off |
BIOS CONFIGURATION | |
Setting |
CN3 |
27128 installed in U80 |
pins 2 & 17, 3 & 16, 5 & 14, 7 & 12 closed |
27256 installed in U65 & 2764 installed in U80 |
pins 1 & 18, 4 & 15, 6 & 13 closed |