ASUS COMPUTER INTERNATIONAL
P/I-P55SP4
Processor |
Pentium |
Processor Speed |
75/90/100/120/133/150/166MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
512MB |
Cache |
256/512/1024KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
Parallel port, serial ports (2), 32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), cache slot, MediaBus slot, infrared connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse interface |
CN1 |
Green PC connector |
J1 pins 14 & 15 |
Serial port 2 |
CN2 |
Turbo switch |
J1 pins 16 & 17 |
Serial port 1 |
CN3 |
Reset switch |
J1 pins 19 & 20 |
Parallel port |
CN4 |
Green PC connector |
JP1 |
Floppy drive interface |
CN5 |
Chassis fan power |
JP26 |
IDE interface 1 |
CN6 |
IDE interface LED |
JP27 |
IDE interface 2 |
CN7 |
Infrared connector |
JP31 |
Power LED & keylock |
J1 pins 1 - 5 |
32-bit PCI slots |
PC1 - PC4 |
Speaker |
J1 pins 7 - 10 |
MediaBus slot |
SL1 |
Turbo LED |
J1 pins 12 & 13 |
Cache slot |
SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
PS/2 mouse port disabled |
JP5 |
pins 1 & 2 closed |
PS/2 mouse port enabled |
JP5 |
pins 2 & 3 closed | |
» |
Flash BIOS boot block protected |
JP16 |
pins 1 & 2 closed |
Flash BIOS boot block programming enabled |
JP16 |
pins 2 & 3 closed | |
» |
On board I/O enabled |
JP1C |
pins 1 & 2 closed |
On board I/O disabled |
JP1C |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
2MB |
(2) 256K x 36 |
NONE |
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
4MB |
(2) 512K x 36 |
NONE |
6MB |
(2) 256K x 36 |
(2) 512K x 36 |
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
8MB |
(2) 1M x 36 |
NONE |
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
12MB |
(2) 1M x 36 |
(2) 512K x 36 |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
16MB |
(2) 2M x 36 |
NONE |
18MB |
(2) 256K x 36 |
(2) 2M x 36 |
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
20MB |
(2) 2M x 36 |
(2) 512K x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
NONE |
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
36MB |
(2) 4M x 36 |
(2) 512K x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M 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) 256K x 36 |
(2) 8M x 36 |
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
68MB |
(2) 512K x 36 |
(2) 8M x 36 |
68MB |
(2) 8M x 36 |
(2) 512K x 36 |
DRAM CONFIGURATION (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M 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 |
130MB |
(2) 256K x 36 |
(2) 16M x 36 |
130MB |
(2) 16M x 36 |
(2) 256K x 36 |
132MB |
(2) 512K x 36 |
(2) 16M x 36 |
132MB |
(2) 16M x 36 |
(2) 512K x 36 |
136MB |
(2) 1M x 36 |
(2) 16M x 36 |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
144MB |
(2) 2M x 36 |
(2) 16M x 36 |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
160MB |
(2) 4M x 36 |
(2) 16M x 36 |
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
192MB |
(2) 8M x 36 |
(2) 16M x 36 |
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
256MB |
(2) 32M x 36 |
NONE |
258MB |
(2) 256K x 36 |
(2) 32M x 36 |
258MB |
(2) 32M x 36 |
(2) 256K x 36 |
260MB |
(2) 512K x 36 |
(2) 32M x 36 |
260MB |
(2) 32M x 36 |
(2) 512K x 36 |
264MB |
(2) 1M x 36 |
(2) 32M x 36 |
264MB |
(2) 32M x 36 |
(2) 1M x 36 |
272MB |
(2) 2M x 36 |
(2) 32M x 36 |
272MB |
(2) 32M x 36 |
(2) 2M x 36 |
288MB |
(2) 4M x 36 |
(2) 32M x 36 |
288MB |
(2) 32M x 36 |
(2) 4M x 36 |
320MB |
(2) 8M x 36 |
(2) 32M x 36 |
320MB |
(2) 32M x 36 |
(2) 8M x 36 |
384MB |
(2) 16M x 36 |
(2) 32M x 36 |
384MB |
(2) 32M x 36 |
(2) 16M x 36 |
512MB |
(2) 32M x 36 |
(2) 32M x 36 |
CACHE CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
TAG |
SL2 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K or (1) 32K x 8 |
Card not installed |
256KB |
NONE |
NONE |
NONE |
Card installed |
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 8K or (1) 32K x 8 |
Card not installed |
512KB |
NONE |
NONE |
NONE |
Card installed |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 8K or (1) 32K x 8 |
Card not installed |
1MB |
NONE |
NONE |
NONE |
Card installed |
CACHE JUMPER CONFIGURATION | ||
Size |
JP10 |
JP11 |
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
512KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
1MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
CACHE TYPE CONFIGURATION | ||||
Type |
JP6 |
JP7 |
JP8 |
JP9 |
3.3v cache |
Open |
Open |
Closed |
Closed |
Mixed mode cache |
Closed |
Closed |
Open |
Open |
CPU SPEED CONFIGURATION | |||
Speed |
JP12 |
JP13 |
JP14 |
75MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
90MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
100MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
120MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
133MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
150MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
166MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU CLOCK SPEED CONFIGURATION | ||
Speed |
JP20 |
JP21 |
1.5x |
Open |
Open |
2x |
Open |
Closed |
2.5x |
Closed |
Closed |
3x |
Closed |
Open |
VOLTAGE REGULATOR CONFIGURATION | ||||
Type |
JP22 |
JP23 |
JP28 |
JP29 |
STD/VR |
Closed |
Open |
Closed |
Open |
VRE |
Open |
Closed |
Open |
Closed |
VOLTAGE REGULATOR TYPE CONFIGURATION | ||||
Setting |
JP32 |
JP33 |
JP34 |
JP35 |
Not installed |
Closed |
Closed |
Closed |
Closed |
Installed |
Open |
Open |
Open |
Open |
Note: The location of the above jumpers are unidentified. |
UART/IR CONFIGURATION | ||
Speed |
JP1A |
JP1B |
UART2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
IR |
pins 2 & 3 closed |
pins 2 & 3 closed |