IPC CORPORATION, LTD.
IPC OFFICEMAGIC/ IPC GREEN PC (MB486GHE#10)
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
UMC |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
J2 |
Green PC connector |
JP4 |
|
Speaker |
J3 |
Green PC connector |
JP5 |
|
Reset switch |
J4 |
Green PC connector (monitor) |
JP6 |
|
Power LED & keylock |
J5 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
External battery |
J6 |
Turbo switch |
W23 |
|
Note: The locations of JP4, JP5 & JP6 are unidentified. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Turbo enabled |
J1 |
Open |
|
Turbo disabled |
J1 |
Closed | |
|
» |
CPU clock select 1x |
W24 |
Open |
|
CPU clock select 2x |
W24 |
Closed | |
|
» |
Factory configured - do not alter |
W25 |
Open |
|
» |
Monitor type select color |
W26 |
Closed |
|
Monitor type select monochrome |
W26 |
Open | |
|
» |
Battery type select internal |
W27 |
Closed |
|
Battery type select external |
W27 |
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 |
|
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 |
W1 |
W2 |
W3 |
W4 |
W5 |
W6 |
W7 |
|
64KB |
Closed |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
Open |
Open |
|
128KB |
Closed |
Closed |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
Open |
|
256KB |
Closed |
Closed |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
Open |
|
Note: Pins designated should be in the closed position.. | |||||||
|
CACHE JUMPER CONFIGURATION (CON’T) | ||||||||
|
Size |
W13 |
W14 |
W15 |
W16 |
W17 |
W18 |
W19 |
W20 |
|
64KB |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
128KB |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
|
256KB |
Closed |
Closed |
Open |
Open |
Open |
Open |
Closed |
Closed |
|
Note: The location of the above jumpers are unidentified. | ||||||||
|
CPU TYPE CONFIGURATION | |||||
|
Type |
W8 |
W9 |
W10 |
W11 |
W12 |
|
80486SX (PQFP) |
1 & 2 |
Open |
Open |
1 & 2 |
Open |
|
80486SX (PGA) |
Open |
Open |
2 & 3 |
Open |
2 & 3 |
|
ODP486SX |
1 & 2 |
Open |
1 & 2, 3 & 4 |
Open |
1 & 2 |
|
80487SX |
1 & 2 |
Open |
1 & 2, 3 & 4 |
Open |
1 & 2 |
|
80486DX (PQFP) |
2 & 3 |
Closed |
Closed |
1 & 2 |
Open |
|
80486DX (PGA) |
2 & 3 |
Open |
1 & 2, 3 & 4 |
Open |
2 & 3 |
|
80486DX2 |
2 & 3 |
Open |
1 & 2, 3 & 4 |
Open |
2 & 3 |
|
Pentium Overdrive |
1 & 2 |
Open |
1 & 2, 3 & 4 |
Open |
1 & 2 |
|
Note: Pins designated should be in the closed position. The locations of W8 & W9 are unidentified. | |||||
|
CPU SPEED CONFIGURATION | |
|
Speed |
JP3 |
|
25MHz |
pins 2 & 3 closed |
|
33MHz |
pins 1 & 2 closed |
|
50iMHz |
pins 2 & 3 closed |
|
66iMHz |
pins 1 & 2 closed |
|
Note: The location of JP3 is unidentified. | |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
W22 |
|
0 wait states |
Open |
|
1 wait state |
Closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
W21 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |