IPC CORPORATION
IPC DYNASTY HE/VALUEMAGIC/OFFICEMAGIC/
GREEN PC (MB486GHE #21)
|
Processor |
80486SX/80486DX/80486DX2/P23N/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
32MB |
|
Cache |
128/256KB |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Internal battery |
J1 |
Turbo switch |
J6 |
|
External battery |
J2 |
Power LED & keylock |
J7 |
|
Reset switch |
J4 |
Speaker |
J8 |
|
Turbo LED |
J5 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Power good signal detect from board |
JP1 |
pins 1 & 2 closed |
|
Power good signal detect from power supply |
JP1 |
pins 2 & 3 closed | |
|
» |
ELBA# enabled |
JP2 |
pins 1 & 2 closed |
|
LDEV1# enabled |
JP2 |
pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
JP3 |
pins 1 & 2 closed |
|
» |
Factory configured - do not alter |
JP4 |
N/A |
|
» |
Factory configured - do not alter |
JP5 |
N/A |
|
» |
Factory configured - do not alter |
JP6 |
N/A |
|
» |
ADS delay select no delay |
JP7 |
pins 1 & 2 closed |
|
ADS delay select 1-T delay |
JP7 |
pins 2 & 3 closed | |
|
CPURDY delay select no delay |
JP8 |
pins 1 & 2 closed | |
|
CPURDY delay select 1-T delay |
JP8 |
pins 2 & 3 closed | |
|
» |
PQFP CPU disabled |
JP17 |
Closed |
|
PQFP CPU enabled |
JP17 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
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 |
JP9 |
JP10 |
JP11 |
JP12 |
JP13 |
|
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 | ||
|
Type |
JP14 |
JP15 |
|
80486SX (PQFP) |
Open |
pins 3 & 4 closed |
|
80486SX (PGA) |
Open |
pins 2 & 3 closed |
|
80486DX (PQFP) |
Open |
pins 3 & 4 closed |
|
80486DX |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
80486DX2 |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
|
P23N |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
|
Pentium Overdrive |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
|
CPU SPEED CONFIGURATION | |
|
Speed |
JP18 |
|
25MHz |
pins 2 & 3 closed |
|
33MHz |
pins 1 & 2 closed |
|
50iMHz |
pins 2 & 3 closed |
|
66iMHz |
pins 1 & 2 closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP16 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |