ASUS COMPUTER INTERNATIONAL
P2B (REV. 1.00)
Device Type | Mainboard |
Processor | Pentium II |
Processor Speed | 233/266/300/333/350/400MHz |
Chip Set | Intel |
Video Chip Set | None |
Maximum Onboard Memory | 384MB (EDO & SDRAM supported) |
Maximum Video Memory | None |
Cache | 512KB (located on Pentium II CPU) |
BIOS | Unidentified |
Dimensions | 305mm x 244mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
AGP slot | AGP | Wake on LAN connector | C6 |
ATX power connector | ATX | Parallel port | CN1 |
Power LED & keylock | C1/pins 1 - 5 | Serial port 2 | CN2 |
Speaker | C1/pins 7 - 10 | Serial port 1 | CN3 |
Message LED | C1/pins 12 & 13 | USB connector 1 | CN4 |
Green PC connector | C1/pins 14 & 15 | USB connector 2 | CN5 |
Soft off power supply | C1/pins 16 & 17 | PS/2 mouse port | CN6 |
Reset switch | C1/pins 19 & 20 | Floppy drive interface | CN7 |
IDE interface LED | C2 | IDE interface 2 | CN8 |
Chassis fan power | C3 | IDE interface 1 | CN9 |
CPU fan power | C4 | IR connector | IR1 |
Power supply fan | C5 | 32-bit PCI slots | PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Keyboard power disabled | KBD | Pins 1 & 2 closed |
| Keyboard power enabled | KBD | Pins 2 & 3 closed |
» | CMOS memory normal operation | RTC | Open |
| CMOS memory clear | RTC | Closed |
DIMM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Bank 2 |
8MB | (1) 1M x 64 | None | None |
16MB | (1) 2M x 64 | None | None |
16MB | (1) 1M x 64 | (1) 1M x 64 | None |
24MB | (1) 2M x 64 | (1) 1M x 64 | None |
24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
32MB | (1) 4M x 64 | None | None |
32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 |
32MB | (1) 2M x 64 | (1) 2M x 64 | None |
40MB | (1) 4M x 64 | (1) 1M x 64 | None |
40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 |
48MB | (1) 4M x 64 | (1) 2M x 64 | None |
48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
56MB | (1) 4M x 64 | (1) 2M x 64 | (1) 1M x 64 |
64MB | (1) 8M x 64 | None | None |
DIMM CONFIGURATION (CON'T) | |||
Size | Bank 0 | Bank 1 | Bank 2 |
64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
64MB | (1) 4M x 64 | (1) 4M x 64 | None |
72MB | (1) 8M x 64 | (1) 1M x 64 | None |
72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 |
80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 |
80MB | (1) 8M x 64 | (1) 2M x 64 | None |
80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
88MB | (1) 8M x 64 | (1) 2M x 64 | (1) 1M x 64 |
96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 |
96MB | (1) 8M x 64 | (1) 4M x 64 | None |
96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
104MB | (1) 8M x 64 | (1) 4M x 64 | (1) 1M x 64 |
112MB | (1) 8M x 64 | (1) 4M x 64 | (1) 2M x 64 |
128MB | (1) 16M x 64 | None | None |
128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 |
128MB | (1) 8M x 64 | (1) 8M x 64 | None |
136MB | (1) 16M x 64 | (1) 1M x 64 | None |
136MB | (1) 8M x 64 | (1) 8M x 64 | (1) 1M x 64 |
144MB | (1) 16M x 64 | (1) 1M x 64 | (1) 1M x 64 |
144MB | (1) 16M x 64 | (1) 2M x 64 | None |
144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 |
152MB | (1) 16M x 64 | (1) 2M x 64 | (1) 1M x 64 |
160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
160MB | (1) 16M x 64 | (1) 4M x 64 | None |
160MB | (1) 8M x 64 | (1) 8M x 64 | (1) 4M x 64 |
168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 |
176MB | (1) 16M x 64 | (1) 4M x 64 | (1) 2M x 64 |
192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 |
192MB | (1) 16M x 64 | (1) 8M x 64 | None |
192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
200MB | (1) 16M x 64 | (1) 8M x 64 | (1) 1M x 64 |
208MB | (1) 16M x 64 | (1) 8M x 64 | (1) 2M x 64 |
224MB | (1) 16M x 64 | (1) 8M x 64 | (1) 4M x 64 |
256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
Note: Board accepts EDO & SDRAM memory. | |||
CACHE CONFIGURATION |
Note: 512KB cache is located on the Pentium II CPU. |
CPU SPEED SELECTION | |||||
CPU speed | Clock speed | Multiplier | FS0 | FS1 | FS2 |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 2 & 3 |
266MHz | 66MHz | 4x | 1 & 2 | 1 & 2 | 2 & 3 |
300MHz | 66MHz | 4.5x | 1 & 2 | 1 & 2 | 2 & 3 |
300MHz | 100MHz | 3x | 1 & 2 | 1 & 2 | 1 & 2 |
333MHz | 66MHz | 5x | 1 & 2 | 1 & 2 | 2 & 3 |
350MHz | 100MHz | 3.5x | 1 & 2 | 1 & 2 | 1 & 2 |
400MHz | 100MHz | 4x | 1 & 2 | 1 & 2 | 1 & 2 |
Note: Pins designated should be in the closed position. | |||||
CPU SPEED SELECTION (CON'T) | ||||||
CPU speed | Clock speed | Multiplier | BF0 | BF1 | BF2 | BF3 |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 |
266MHz | 66MHz | 4x | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
300MHz | 66MHz | 4.5x | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
300MHz | 100MHz | 3x | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
333MHz | 66MHz | 5x | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
350MHz | 100MHz | 3.5x | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 |
400MHz | 100MHz | 4x | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
Note: Pins designated should be in the closed position. | ||||||