MICROMODULE SYSTEMS, INC.
GEMINI (REV. 2.0)
|
Processor |
Pentium |
|
Processor Speed |
120/133/150MHz |
|
Chip Set |
Pico |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
256MB |
|
Maximum Video Memory |
None |
|
Cache |
256KB |
|
BIOS |
IBM/SystemSoft/Phoenix |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |
|
Purpose |
Location |
|
32-bit PCI slots |
PC1 PC3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Test/monitor header |
JP1 |
Unidentified |
|
|
Test/monitor header |
JP2 |
Unidentified |
|
|
Test/monitor header |
JP3 |
Unidentified |
|
|
Test/monitor header |
JP4 |
Unidentified |
|
|
Test/monitor header |
JP5 |
Unidentified |
|
|
Test/monitor header |
JP6 |
Unidentified |
|
|
PCI voltage select 5v |
JP7 |
Pins 1 & 2 closed |
|
|
PCI voltage select 3v |
JP7 |
Pins 2 & 3 closed |
|
|
Test/monitor header |
JP9 |
Unidentified |
|
|
Test/monitor header |
JP13 |
Unidentified |
|
|
Factory configured - do not alter |
JP17 |
Unidentified |
|
|
Factory configured - do not alter |
JP18 |
Unidentified |
|
|
Speaker enabled |
JP21 |
Closed |
|
|
Speaker disabled |
JP21 |
Open |
|
|
CMOS memory normal operation |
JP22 |
Open |
|
|
CMOS memory clear |
JP22 |
Closed |
|
|
VPP power disabled |
JP23 |
Open |
|
|
VPP power enabled |
JP23 |
Closed |
|
|
ROM write disabled |
JP24 |
Open |
|
|
ROM write enabled |
JP24 |
Closed |
|
|
Data rate select pin 6 |
JP27 |
Open |
|
|
Data rate select pin 6 & 27 |
JP27 |
Closed |
|
|
Test/monitor header |
JP28 |
Unidentified |
|
|
H8 clock select PLL clock generator |
JP29 |
Pins 1 & 2 closed |
|
|
H8 clock select crystal oscillator |
JP29 |
Pins 2 & 3 closed |
|
|
Test/monitor header |
JP501 |
Unidentified |
|
Test/monitor header |
JP502 |
Unidentified | |
|
Note: The location of the test/monitor headers is unidentified. | |||
|
SIMM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 36 |
None |
|
16MB |
(2) 2M x 36 |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
SIMM CONFIGURATION (CONT) | ||
|
Size |
Bank 0 |
Bank 1 |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
128MB |
(2) 16M x 36 |
None |
|
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
|
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
|
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
|
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
|
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
|
SIMM MODULE POWER SELECTION | ||
|
Setting |
JP19 | |
|
Enabled |
Pins 1 & 2, 3 & 4, 5 & 6 closed | |
|
Disabled |
Open | |
|
SIMM POWER SUPPLY SELECTION | ||
|
Setting |
JP20 | |
|
Enabled |
Pins 1 & 2, 3 & 4, 5 & 6 closed | |
|
Disabled |
Open | |
|
CACHE CONFIGURATION |
|
Note: The location of the cache is unidentified. |
|
CPU SPEED SELECTION | |||
|
Speed |
JP10 |
JP11 |
JP12 |
|
32MHz |
Open |
Closed |
Closed |
|
40MHz |
Open |
Open |
Closed |
|
50MHz |
Closed |
Closed |
Open |
|
60MHz |
Closed |
Open |
Closed |
|
66MHz |
Open |
Closed |
Open |
|
75MHz |
Closed |
Closed |
Closed |
|
80MHz |
Closed |
Open |
Open |
|
CPU TYPE SELECTION | |
|
Type |
JP8 |
|
P54C |
Pins 1 & 2 closed |
|
P55C |
Pins 2 & 3 closed |
|
SERIAL PORT 2 SELECTION | ||||
|
Setting |
JP36/pins 1 & 2 |
JP36/pins 3 & 4 |
JP36/pins 5 & 6 | |
|
Used as H8 |
Closed |
Closed |
Open | |
|
Used as IR connector |
Open |
Open |
Closed | |
|
PCI REQ/INT SELECTION | |||
|
Setting |
JP34 |
JP35 | |
|
Normal operation |
Open |
Open | |
|
Test mode |
Closed |
Closed | |
|
CLOCK SKEW SELECTION | |||
|
Skew |
JP14 |
JP15 |
JP16 |
|
0 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
.55 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
1.10 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
1.65 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
-2.20 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
-1.65 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
-1.10 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
-.55 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |