ASUS P2B-L Motherboards Mainboards Drivers Instruction Manual
- June 9, 2024
- Asus
Table of Contents
ASUS P2B-L Motherboards Mainboards Drivers
FEATURE
- Device Type Mainboard
- Processor Pentium II
- Processor Speed 233/266/300/333/350/400MHz
- Chip Set Intel 440BX
- Maximum Onboard Memory 512MB (SDRAM & PC100 supported)
- Cache 256/512KB (located on Pentium II CPU)
- BIOS Unidentified
- Dimensions 305mm x 244mm
- I/O Options 32-bit PCI slots (4), Ethernet 10BaseT connector, 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, SB-link connector.
CONNECTIONS
| Purpose | Location | Purpose | Location |
|---|---|---|---|
| AGP slot | AGP | SB-link connector | C9 |
| ATX power connector | ATX | External battery | C10 |
| Turbo LED | C1/pins 2 & 3 | Parallel port | CN1 |
| --- | --- | --- | --- |
| Green PC connector | C1/pins 4 & 5 | Serial port 2 | CN2 |
| Soft off power supply | C1/pins 6 & 7 | Serial port 1 | CN3 |
| Reset switch | C1/pins 9 & 10 | USB connector 1 | CN4 |
| Power LED & keylock | C1/pins 11 – 15 | USB connector 2 | CN5 |
| Speaker | C1/pins 17 – 20 | PS/2 mouse port | CN6 |
| IR connector | C2 | IDE interface 1 | CN7 |
| Chassis fan power | C3 | IDE interface 2 | CN8 |
| Chassis intrusion connector | C4 | Floppy drive interface | CN9 |
| IDE interface LED | C5 | Ethernet 10BaseT connector | CN10 |
| CPU fan power | C6 | Power supply heat sensor | RT2 |
| Power fan power | C7 | 32-bit PCI slots | PC1 – PC4 |
| LAN LED | C8 |
USER CONFIGURABLE SETTINGS
| Function | Label | Position |
|---|---|---|
| » | Factory configured – do not alter | JP4 |
| » | Keyboard power up disabled | KBP |
| Keyboard power up enabled | KBP | Pins 2 & 3 closed |
| » | CMOS memory normal operation | RTC |
| CMOS memory clear | RTC | Closed |
| » | Factory configured – do not alter | RT1 |
| » | Factory configured – do not alter | TRC |
DIMM CONFIGURATION
| Size | Bank 0 | Bank 1 |
|---|---|---|
| 8MB | (1) 1M x 64 | None |
| 16MB | (1) 2M x 64 | None |
| --- | --- | --- |
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
| 32MB | (1) 4M x 64 | None |
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
| 64MB | (1) 8M x 64 | None |
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
| Size | Bank 0 | Bank 1 |
| --- | --- | --- |
| 128MB | (1) 16M x 64 | None |
| 164MB | (1) 16M x 64 | (1) 1M x 64 |
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
| 256MB | (1) 32M x 64 | None |
| 264MB | (1) 32M x 64 | (1) 1M x 64 |
| 272MB | (1) 32M x 64 | (1) 2M x 64 |
| 288MB | (1) 32M x 64 | (1) 4M x 64 |
| 320MB | (1) 32M x 64 | (1) 8M x 64 |
| 384MB | (1) 32M x 64 | (1) 16M x 64 |
| --- | --- | --- |
| 512MB | (1) 32M x 64 | (1) 32M x 64 |
Note: Board accepts SDRAM & PC100 memory.
CACHE CONFIGURATION
Note: 256KB/512KB cache is located on the Pentium II CPU
CPU SPEED SELECTION
CPU speed| Clock speed| Multiplier| FS0| FS1|
FS2
---|---|---|---|---|---
233MHz| 66MHz| 3.5x| 2 & 3| 1 & 2| 1 & 2
266MHz| 66MHz| 4x| 2 & 3| 1 & 2| 1 & 2
300MHz| 66MHz| 4.5x| 2 & 3| 1 & 2| 1 & 2
300MHz| 100MHz| 3x| 1 & 2| 1 & 2| 1 & 2
333MHz| 66MHz| 5x| 2 & 3| 1 & 2| 1 & 2
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| Clock speed| Multiplier| CF1| CF2|
CF3| CF4
---|---|---|---|---|---|---
233MHz| 66MHz| 3.5x| Open| Open| Closed| Closed
266MHz| 66MHz| 4x| Closed| Closed| Open| Closed
300MHz| 66MHz| 4.5x| Open| Closed| Open| Closed
300MHz| 100MHz| 3x| Closed| Open| Closed| Closed
333MHz| 66MHz| 5x| Closed| Open| Open| Closed
350MHz| 100MHz| 3.5x| Open| Open| Closed| Closed
400MHz| 100MHz| 4x| Closed| Closed| Open| Closed