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# TEKRAM TECHNOLOGY CO., LTD.
P6B40D-A5
Device Type Mainboard
Processor Pentium II/Celeron
Processor Speed 233/266/300/333/350/366/400/450/500/550MHz
Chip Set Intel 440BX
Maximum Onboard 1GB (EDO & SDRAM supported)
Memory
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 305mm x 242mm
I/O Options 32-bit PCI slots (5), 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, wake on LAN
connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+-------------+---------------+---------------|
| AGP slot | AGP | Turbo LED | J11/pins 3 & |
| | | | 5 |
|--------------+-------------+---------------+---------------|
| ATX power | ATX | Green PC | J11/pins 7 & |
| connector | | connector | 9 |
|--------------+-------------+---------------+---------------|
| Parallel | CN1 | Speaker | J11/pins |
| port | | | 14/16/18/20 |
|--------------+-------------+---------------+---------------|
| Serial port | CN2 | Reset switch | J11/pins 17 & |
| 2 | | | 19 |
|--------------+-------------+---------------+---------------|
| Serial port | CN3 | Wake on LAN | J12 |
| 1 | | connector | |
|--------------+-------------+---------------+---------------|
| USB | CN4 | IDE interface | JP2 |
| connector 1 | | LED | |
|--------------+-------------+---------------+---------------|
| USB | CN5 | IR connector | JP4 |
| connector 2 | | | |
|--------------+-------------+---------------+---------------|
| PS/2 mouse | CN6 | Soft off | JP9 |
| port | | power supply | |
|--------------+-------------+---------------+---------------|
| Floppy drive | CN7 | Temperature | JP10 |
| interface | | sensor | |
|--------------+-------------+---------------+---------------|
| IDE | CN8 | Temperature | JP10A |
| interface 2 | | sensor | |
|--------------+-------------+---------------+---------------|
| IDE | CN9 | Chassis fan | JP18 |
| interface 1 | | power | |
|--------------+-------------+---------------+---------------|
| Chassis fan | J7 | Chassis | JP20 |
| power | | intrusion | |
|--------------+-------------+---------------+---------------|
| Chassis fan | J7A | 32-bit PCI | PC1 - PC5 |
| power | | slots | |
|--------------+-------------+---------------+---------------|
| Power LED & | J11/pins | | |
| keylock | 2/4/6/8/10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| | Power state function enabled | JP19 | Closed |
|---+---------------------------------+---------+------------|
| | Power state function disabled | JP19 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 64 | (1) 1M x | (1) 1M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 1M x 64 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 64 | (1) 2M x | (1) 2M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 2M x 64 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 64 | (1) 4M x | (1) 4M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 64 | (1) 8M x | None | None |
| | | 64 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 128MB | (1) 4M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 136MB | (1) 16M x | (1) 1M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 144MB | (1) 16M x | (1) 2M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 176MB | (1) 16M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 192MB | (1) 16M x | (1) 8M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 192MB | (1) 8M x | (1) 8M x | (1) 8M x | None |
| | 64 | 64 | 64 | |
|--------+------------+------------+------------+------------|
| 256MB | (1) 32M x | None | None | None |
| | 64 | | | |
|--------+------------+------------+------------+------------|
| 256MB | (1) 16M x | (1) 16M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 256MB | (1) 8M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 272MB | (1) 16M x | (1) 16M x | (1) 1M x | (1) 1M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 280MB | (1) 32M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 288MB | (1) 16M x | (1) 16M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 320MB | (1) 16M x | (1) 16M x | (1) 4M x | (1) 4M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 384MB | (1) 16M x | (1) 16M x | (1) 16M x | None |
| | 64 | 64 | 64 | |
|--------+------------+------------+------------+------------|
| 448MB | (1) 32M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 512MB | (1) 32M x | (1) 32M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 512MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 640MB | (1) 32M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 768MB | (1) 32M x | (1) 32M x | (1) 32M x | None |
| | 64 | 64 | 64 | |
|--------+------------+------------+------------+------------|
| 1024MB | (1) 32M x | (1) 32M x | (1) 32M x | (1) 32M x |
| | 64 | 64 | 64 | 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II |
| CPU. 128KB cache is located on the Celeron 300A & 333 |
| CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP5 | JP21 |
| | speed | | | |
|------------+----------+------------+--------------+--------|
| 233MHz | 66MHz | 3.5x | 1 & 2, 7 & 8 | Closed |
|------------+----------+------------+--------------+--------|
| 266MHz | 66MHz | 4x | 1 & 2, 3 & | Closed |
| | | | 4, 5 & 6 | |
|------------+----------+------------+--------------+--------|
| 300MHz | 66MHz | 4.5x | 1 & 2, 5 & 6 | Closed |
|------------+----------+------------+--------------+--------|
| 333MHz | 66MHz | 5x | 1 & 2, 3 & 4 | Closed |
|------------+----------+------------+--------------+--------|
| 366MHz | 66MHz | 5.5x | 1 & 2 | Closed |
|------------+----------+------------+--------------+--------|
| 350MHz | 100MHz | 3.5x | 1 & 2, 7 & 8 | Open |
|------------+----------+------------+--------------+--------|
| 400MHz | 100MHz | 4x | 1 & 2, 3 & | Open |
| | | | 4, 5 & 6 | |
|------------+----------+------------+--------------+--------|
| 450MHz | 100MHz | 4.5x | 1 & 2, 5 & 6 | Open |
|------------+----------+------------+--------------+--------|
| 500MHz | 100MHz | 5x | 1 & 2, 3 & 4 | Open |
|------------+----------+------------+--------------+--------|
| 550MHz | 100MHz | 5.5x | 1 & 2 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+