PINE TECHNOLOGY
PT-428
|
Processor |
80486SX/80486DX/80486DX2 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
32/64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
250mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Speaker |
J5 |
|
Reset switch |
J2 |
Power LED & keylock |
J6 |
|
Turbo switch |
J3 |
32-bit VESA Local bus slots |
SL1,SL2 & SL3 |
|
Turbo LED |
J4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Battery type select - internal |
JP1 |
Closed |
|
Battery type select - internal |
JP1 |
Open | |
|
|
Power good signal detect from power supply |
JP2 |
pins 1 & 2 closed |
|
Power good signal detect from board |
JP2 |
pins 2 & 3 closed | |
|
|
VGA card select - normal |
JP3 |
pins 1 & 2 closed |
|
VGA card select - POWER 9000 |
JP3 |
pins 2 & 3 closed | |
|
|
CPU test logic enabled |
JP6 |
Open |
|
CPU test logic disabled |
JP6 |
Closed | |
|
|
(MCA1) LDEV# direct connect to 491 ELBA# |
JP7 |
pins 1 & 2 closed |
|
LDEV# through and gate to 491 ELBA# |
JP7 |
pins 2 & 3 closed | |
|
|
CPU speed select < 33MHz |
JP11 |
Open |
|
CPU speed select > 33MHz |
JP11 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
32KB |
(4) 8K x 8 |
NONE |
(1) 8K x 8 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||||
|
Size |
JP12 |
JP13 |
JP14 |
JP15 |
JP16 |
|
32MB |
Open |
2 & 3 |
Open |
Open |
Open |
|
64KB |
Open |
1 & 2 |
Open |
Closed |
Open |
|
128KB |
2 & 3 |
2 & 3 |
Open |
Closed |
Closed |
|
256KB |
1 & 2 |
1 & 2 |
Closed |
Closed |
Closed |
|
Note: pins designated should be in the closed position. | |||||
|
CPU TYPE CONFIGURATION | ||
|
CPU Type |
J17 |
J18 |
|
80486SX |
pins 2 & 3 closed |
Open |
|
80486DX/DX2 |
pins 1, 2, 3 & 4 closed |
pins 1 & 2 closed |
|
Pentium Overdrive |
pins 1, 2, 3 & 4 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION (CHRONTEL CH9007C CLOCK) | ||
|
Speed |
JP8 |
JP9 |
|
25MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
33MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
40MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
50iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
50MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
66iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION (PHASE LINE PLL52C05) | |||
|
Speed |
JP8 |
JP9 |
JP21 |
|
25MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
|
33MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
Closed |
|
40MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
Open |
|
50iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
|
50MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
|
66iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
Closed |
|
VESA ID4 CONFIGURATION | ||
|
50MHz delay |
JP4 |
JP5 |
|
No delay |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
1 - T |
pins 2 & 3 closed |
pins 2 & 3 closed |