AMERICAN MEGATRENDS, INC.
APOLLO
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
BIOS |
AMI |
|
Dimensions |
259mm x 216mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse interface |
CN1 |
External battery |
J6 |
|
Serial port 2 |
CN2 |
Chassis fan power |
J11 |
|
Serial port 1 |
CN3 |
Reset switch |
J12 |
|
Parallel port |
CN4 |
Speaker |
J13 |
|
Floppy drive interface |
CN5 |
Power LED & keylock |
J14 |
|
IDE interface 1 |
CN6 |
IDE interface LED |
JP1 |
|
IDE interface 2 |
CN7 |
32-bit PCI slots |
PC1 - PC4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Cache type select write back |
J1 |
Open |
|
Cache type select write through |
J1 |
Pins 1 & 2 closed | |
|
|
Monitor type select monochrome/EGA/VGA |
J2 |
Open |
|
Monitor type select CGA |
J2 |
Closed | |
|
|
Pipeline mode enabled |
J3 |
Closed |
|
Pipeline mode disabled |
J3 |
Open | |
|
|
Flash BIOS voltage select 5v |
J4 |
Pins 2 & 3 closed |
|
Flash BIOS voltage select 12v |
J4 |
Pins 1 & 2 closed | |
|
CPU bus speed select PCLK/3 |
J5 |
Pins 1 & 2 closed | |
|
CPU bus speed select PCLK/4 |
J5 |
Pins 2 & 3 closed | |
|
PCI/CPU bus speed ratio select 1/2 |
J8 |
Closed | |
|
PCI/CPU bus speed ratio select 3/2 |
J8 |
Open | |
|
|
CMOS memory normal operation |
JCP |
Open |
|
CMOS memory clear |
JCP |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 36 |
None |
|
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
|
16MB |
(2) 2M x 36 |
None |
|
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
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 |
|
Note: Board accepts EDO memory. The location of the Banks 0 & 1 are unidentified. Board also accepts x 32 SIMMs. | ||
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
256KB (A) mixed voltage |
(8) 32K x 8 |
(1) 8K x 8 |
|
256KB (B) 3.3v |
(8) 32K x 8 |
(1) 8K x 8 |
|
512KB mixed voltage |
(8) 64K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||||||
|
Size |
J9 |
J10 |
JC1 |
JPW1 |
JPW2 |
JPW3 |
JPW4 |
|
256KB (A) |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
256KB (B) |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
512KB |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU SPEED SELECTION | |||
|
Speed |
JK1 |
JK2 |
JK3 |
|
75MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
90MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
100MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
120MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
133MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
CPU VOLTAGE SELECTION | |
|
Voltage |
JVR |
|
3.3v |
Pins 1 & 2 closed |
|
3.45v |
Pins 3 & 4 closed |
|
3.6v |
Pins 5 & 6 closed |