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# SUPER MICRO
P6SBS
Device Type Mainboard
Processor Pentium II
Processor Speed 233/266/300/333/350/400/450MHz
Chip Set Intel 440GX
Maximum Onboard 2GB (SDRAM supported)
Memory
Cache 256/512KB (located on the Pentium II CPU)
BIOS AMI
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), Wide Ultra SCSI
interface, Wide SCSI interface (2), parallel
port, PS/2 mouse port, serial ports (2), IR
connector, USB connectors (2), ATX power
connector, AGP slot, SB link connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | Power LED & | JF1B |
| | | keylock | |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Speaker | JF1C |
| connector | | | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J15 | IR connector | JF2A |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J16 | Power switch | JF2B |
|-------------------+----------+------------------+----------|
| USB connector 1 | J17 | Reset switch | JF2C |
|-------------------+----------+------------------+----------|
| USB connector 2 | J18 | Chassis | JL1 |
| | | intrusion | |
|-------------------+----------+------------------+----------|
| Parallel port | J19 | Overheat LED | JOH |
|-------------------+----------+------------------+----------|
| Serial port 1 | J20 | CPU fan power | JT1 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J21 | CPU fan power | JT2 |
|-------------------+----------+------------------+----------|
| Floppy drive | J22 | Chassis fan | JT3 |
| interface | | power | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J34 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Ultra Wide SCSI | JA1 | Secondary power | PWR2 |
| interface | | connector | |
|-------------------+----------+------------------+----------|
| SCSI 2 interface | JA2 | SB link | SBL |
|-------------------+----------+------------------+----------|
| Ultra Wide SCSI | JA3 | SCSI LED | SCLED |
| interface | | | |
|-------------------+----------+------------------+----------|
| RAID slot | JA4 | Wake on LAN | WOL |
|-------------------+----------+------------------+----------|
| IDE interface LED | JF1A | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Onboard buzzer enabled | BZON | Closed |
|---+---------------------------------+-------+--------------|
| | Onboard buzzer disabled | BZON | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JAM | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JA5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JA6 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JBT1 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JBT1 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Pentium II CTL PD state | JP20 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS CTL PD state | JP20 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+------------+------------+------------+-----------|
| 8MB | (1) 1MB x | None | None | None |
| | 64 | | | |
|---------+------------+------------+------------+-----------|
| 16MB | (1) 1MB x | (1) 1MB x | None | None |
| | 64 | 64 | | |
|---------+------------+------------+------------+-----------|
| 16MB | (1) 2MB x | None | None | None |
| | 64 | | | |
|---------+------------+------------+------------+-----------|
| 24MB | (1) 1MB x | (1) 1MB x | (1) 1MB x | |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 32MB | (1) 1MB x | (1) 1MB x | (1) 1MB x | (1) 1MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 32MB | (1) 2MB x | (1) 2MB x | None | None |
| | 64 | 64 | | |
|---------+------------+------------+------------+-----------|
| 32MB | (1) 4MB x | None | None | None |
| | 64 | | | |
|---------+------------+------------+------------+-----------|
| 40MB | (1) 2MB x | (1) 2MB x | (1) 1MB x | None |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 48MB | (1) 2MB x | (1) 2MB x | (1) 2MB x | None |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 64MB | (1) 2MB x | (1) 2MB x | (1) 2MB x | (1) 2MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 64MB | (1) 4MB x | (1) 4MB x | None | None |
| | 64 | 64 | | |
|---------+------------+------------+------------+-----------|
| 64MB | (1) 8MB x | None | None | None |
| | 64 | | | |
|---------+------------+------------+------------+-----------|
| 88MB | (1) 4MB x | (1) 4MB x | (1) 2MB x | (1) 1MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 96MB | (1) 4MB x | (1) 4MB x | (1) 4MB x | |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 112MB | (1) 4MB x | (1) 4MB x | (1) 4MB x | (1) 2MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 128MB | (1) 4MB x | (1) 4MB x | (1) 4MB x | (1) 4MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 128MB | (1) 8MB x | (1) 8MB x | None | None |
| | 64 | 64 | | |
|---------+------------+------------+------------+-----------|
| 128MB | (1) 16MB x | None | None | None |
| | 64 | | | |
|---------+------------+------------+------------+-----------|
| 176MB | (1) 8MB x | (1) 8MB x | (1) 4MB x | (1) 2MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 192MB | (1) 8MB x | (1) 8MB x | (1) 8MB x | |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 224MB | (1) 8MB x | (1) 8MB x | (1) 8MB x | (1) 4MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 256MB | (1) 8MB x | (1) 8MB x | (1) 8MB x | (1) 8MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 256MB | (1) 16MB x | (1) 16MB x | None | None |
| | 64 | 64 | | |
|---------+------------+------------+------------+-----------|
| 256MB | (1) 32MB x | None | None | None |
| | 64 | | | |
|---------+------------+------------+------------+-----------|
| 352 MB | (1) 16MB x | (1) 16MB x | (1) 8MB x | (1) 4MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 384MB | (1) 16MB x | (1) 16MB x | (1) 16MB x | |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 448 MB | (1) 16MB x | (1) 16MB x | (1) 16MB x | (1) 8MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 512MB | (1) 16MB x | (1) 16MB x | (1) 16MB x | (1) 16MB |
| | 64 | 64 | 64 | x 64 |
|---------+------------+------------+------------+-----------|
| 512MB | (1) 32MB x | (1) 32MB x | None | None |
| | 64 | 64 | | |
|---------+------------+------------+------------+-----------|
| 512MB | (1) 64MB x | None | None | None |
| | 64 | | | |
|---------+------------+------------+------------+-----------|
| 704 MB | (1) 32MB x | (1) 32MB x | (1) 16MB x | (1) 8MB x |
| | 64 | 64 | 64 | 64 |
|---------+------------+------------+------------+-----------|
| 768MB | (1) 32MB x | (1) 32MB x | (1) 32MB x | None |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 896 MB | (1) 32MB x | (1) 32MB x | (1) 32MB x | (1) 16MB |
| | 64 | 64 | 64 | x 64 |
|---------+------------+------------+------------+-----------|
| 1024MB | (1) 32MB x | (1) 32MB x | (1) 32MB x | (1) 32MB |
| | 64 | 64 | 64 | x 64 |
|---------+------------+------------+------------+-----------|
| 1024MB | (1) 64MB x | (1) 64MB x | None | None |
| | 64 | 64 | | |
|---------+------------+------------+------------+-----------|
| 1408 MB | (1) 64MB x | (1) 64MB x | (1) 32MB x | (1) 16MB |
| | 64 | 64 | 64 | x 64 |
|---------+------------+------------+------------+-----------|
| 1536MB | (1) 64MB x | (1) 64MB x | (1) 64MB x | None |
| | 64 | 64 | 64 | |
|---------+------------+------------+------------+-----------|
| 1792 MB | (1) 64MB x | (1) 64MB x | (1) 64MB x | (1) 32MB |
| | 64 | 64 | 64 | x 64 |
|---------+------------+------------+------------+-----------|
| 2048MB | (1) 64MB x | (1) 64MB x | (1) 64MB x | (1) 64MB |
| | 64 | 64 | 64 | x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The 256/512KB cache memory is located on the Pentium |
| II CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (PENTIUM II) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JB1 | JB2 | JB3 |
| speed | speed | | | | |
|---------+----------+------------+--------+--------+--------|
| 233MHz | 66MHz | 3.5x | Open | Open | Closed |
|---------+----------+------------+--------+--------+--------|
| 266MHz | 66MHz | 4x | Closed | Closed | Open |
|---------+----------+------------+--------+--------+--------|
| 300MHz | 66MHz | 4.5x | Open | Closed | Open |
|---------+----------+------------+--------+--------+--------|
| 333MHz | 66MHz | 5x | Closed | Open | Open |
|---------+----------+------------+--------+--------+--------|
| 350MHz | 100MHz | 3.5x | Open | Open | Closed |
|---------+----------+------------+--------+--------+--------|
| 400MHz | 100MHz | 4x | Closed | Closed | Open |
|---------+----------+------------+--------+--------+--------|
| 450MHz | 100MHz | 4.5x | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (PENTIUM II CONT’) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JB4 | JP11 |
| | speed | | | |
|-----------+---------+------------+--------+----------------|
| 233MHz | 66MHz | 3.5x | Closed | Pins 2 & 3 |
| | | | | closed |
|-----------+---------+------------+--------+----------------|
| 266MHz | 66MHz | 4x | Closed | Pins 2 & 3 |
| | | | | closed |
|-----------+---------+------------+--------+----------------|
| 300MHz | 66MHz | 4.5x | Closed | Pins 2 & 3 |
| | | | | closed |
|-----------+---------+------------+--------+----------------|
| 333MHz | 66MHz | 5x | Closed | Pins 2 & 3 |
| | | | | closed |
|-----------+---------+------------+--------+----------------|
| 350MHz | 100MHz | 3.5x | Closed | Open |
|-----------+---------+------------+--------+----------------|
| 400MHz | 100MHz | 4x | Closed | Open |
|-----------+---------+------------+--------+----------------|
| 450MHz | 100MHz | 4.5x | Closed | Open |
+------------------------------------------------------------+