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 |