ELITEGROUP COMPUTER SYSTEMS, INC.
SI55P AIO (VER. 1.1)
Processor |
Pentium |
Processor Speed |
75/90/100/120/133/150/166MHz |
Chip Set |
SIS |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB (EDO supported) |
Maximum Video Memory |
None |
Cache |
256/512/1024KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), VRM connector, IR connector |
NPU Options |
None |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Serial port 1 |
J6 |
Power LED & keylock |
J12 pins 11 - 15 |
Floppy drive interface |
J7 |
Speaker |
J12 pins 17 - 20 |
Parallel port |
J8 |
IDE interface LED |
J13 |
Serial port 2 |
J9 |
VRM connector |
J15 |
IDE interface 2 |
J10 |
IR connector |
JP2 |
IDE interface 1 |
J11 |
External battery |
JP7 |
Green PC connector |
J12 pins 4 & 5 |
Chassis fan power |
JP23 |
Reset switch |
J12 pins 9 & 10 |
32-bit PCI slots |
PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
On board I/O enabled |
JP1 |
Open | |
On board I/O disabled |
JP1 |
Closed | |
Flash BIOS voltage select 12v |
JP3 |
Pins 2 & 3 closed | |
BIOS voltage select 5v |
JP3 |
Pins 1 & 2 closed | |
DRAM parity check enabled |
JP8 |
Closed | |
DRAM parity check disabled |
JP8 |
Open | |
|
Jumper information unavailable |
JP20 |
Unavailable |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
2MB |
(2) 256K x 36 |
None |
4MB |
(2) 512K x 36 |
None |
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
6MB |
(2) 256K x 36 |
(2) 512K x 36 |
8MB |
(2) 1M x 36 |
None |
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
12MB |
(2) 1M x 36 |
(2) 512K x 36 |
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
18MB |
(2) 256K x 36 |
(2) 2M x 36 |
20MB |
(2) 2M x 36 |
(2) 512K x 36 |
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
DRAM CONFIGURATION (CONT) | ||
Size |
Bank 0 |
Bank 1 |
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
36MB |
(2) 4M x 36 |
(2) 512K x 36 |
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
66MB |
(2) 256K x 36 |
(2) 8M x 36 |
68MB |
(2) 8M x 36 |
(2) 512K x 36 |
68MB |
(2) 512K x 36 |
(2) 8M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
128MB |
(2) 16M x 36 |
None |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
130MB |
(2) 16M x 36 |
(2) 256K x 36 |
132MB |
(2) 16M x 36 |
(2) 512K x 36 |
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 |
Note: Board accepts EDO memory. |
CACHE CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
TAG |
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
None |
(1) 32K x 8 |
256KB (B) |
None |
None |
(2) 32K x 32 |
(1) 32K x 8 |
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
None |
(1) 32K x 8 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
None |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size |
JP18 |
JP19 |
256KB (A) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
256KB (B) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
512KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
1MB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CACHE VOLTAGE CONFIGURATION | |||
Setting |
JP14 |
JP15 |
JP16 |
Mixed voltage |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
3.3v |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU SPEED SELECTION | |||||||
CPU speed |
Clock speed |
Multiplier |
J15 |
JP21 |
JP22 |
JP25 |
JP26 |
75MHz |
50MHz |
1.5x |
6 & 7, 21 & 22 |
Open |
Open |
Closed |
Open |
90MHz |
60MHz |
1.5x |
6 & 7, 21 & 22 |
Open |
Open |
Open |
Closed |
100MHz |
66MHz |
1.5x |
6 & 7, 21 & 22 |
Open |
Open |
Closed |
Closed |
120MHz |
60MHz |
2x |
6 & 7, 21 & 22 |
Open |
Closed |
Open |
Closed |
133MHz |
66MHz |
2x |
6 & 7, 21 & 22 |
Open |
Closed |
Closed |
Closed |
150MHz |
60MHz |
2.5x |
6 & 7, 21 & 22 |
Closed |
Closed |
Open |
Closed |
166MHz |
66MHz |
2.5x |
6 & 7, 21 & 22 |
Closed |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU VOLTAGE SELECTION | |
Voltage |
JP17 |
3.3v |
Pins 1 & 2 closed |
3.385v |
Pins 3 & 4 closed |
3.525v |
Pins 5 & 6 closed |
DMA CHANNEL SELECTION | ||
Channel |
JP4 |
JP6 |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
SERIAL PORT 2 SELECTION | |
Setting |
JP2 |
Used as COM2 |
Pins 5 & 6, 7 & 8 closed |
Used as IR connector |
Open |