PEAKTRON COMPUTER, INC.
PX-3000 TURBO XT
Processor |
8088 |
Processor Speed |
12MHz |
Chip Set |
Peaktron |
Max. Onboard DRAM |
640KB |
Cache |
None |
BIOS |
Peaktron |
Dimensions |
218mm x 187mm |
I/O Options |
None |
NPU Options |
8087 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Reset switch |
J1 |
Turbo switch |
J14 |
Keylock |
J2 |
Turbo LED |
J15 |
Speaker |
J13 |
Power LED |
J16 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
» |
Parity check enabled |
P1 |
Open |
Parity check disabled |
P1 |
Closed | |
» |
CPU speed select switchable at turbo turbo switch |
P2 |
pins 1 & 2 closed |
CPU speed select switchable at keyboard |
P2 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
SW1/1 |
N/A |
» |
Factory configured - do not alter |
SW1/2 |
N/A |
» |
Factory configured - do not alter |
SW1/3 |
N/A |
» |
Factory configured - do not alter |
SW1/4 |
N/A |
DRAM CONFIGURATION | |||||
Size |
U28 - U29 |
U15 - U18 |
U19 - U22 |
U28 - 31 |
U34 |
256KB |
(2) 44256 |
NONE |
NONE |
NONE |
NONE |
256KB |
NONE |
(4) 41256 |
(4) 41256 |
NONE |
NONE |
512KB |
NONE |
NONE |
NONE |
(4) 44256 |
NONE |
640KB |
NONE |
NONE |
NONE |
(4) 44256 |
NONE |
DRAM PARITY CONFIGURATION | |||
Size |
U23 |
U43 |
U48 |
256KB |
(1) 41256 |
NONE |
NONE |
256KB |
(1) 41256 |
NONE |
NONE |
512KB |
(1) 41256 |
(1) 41256 |
NONE |
640KB |
(1) 41256 |
(1) 41256 |
NONE |
Note:One (1) 411000 can be used in location U23 for parity with all memory sizes. |
DRAM PARITY JUMPER CONFIGURATION | ||
Size |
P3 |
P4 |
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
640KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
VIDEO CONFIGURATION | ||
Size |
SW1/5 |
SW1/6 |
None |
On |
On |
Color (40 x 20) |
Off |
On |
Color (80 x 25) |
On |
Off |
Monochrome |
Off |
Off |
FLOPPY DRIVE CONFIGURATION | ||
Drives installed |
SW1/7 |
SW1/8 |
1 |
On |
On |
2 |
Off |
On |
3 |
On |
Off |
4 |
Off |
Off |