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# INTEL CORPORATION
DB440FX
Processor Pentium II
Processor Speed 233/266MHz
Chip Set Intel
Video Chip Set S3
Maximum Onboard 384MB (EDO supported)
Memory
Maximum Video 2MB
Memory
Cache 256/512KB
BIOS Intel
Dimensions 321mm x 220mm
I/O Options CD-ROM audio interface, floppy drive
interface, green PC connector, IDE interfaces
(2), parallel port, PS/2 mouse port, serial
ports (2), VESA feature connector, VGA port,
riser slot, CPU slot, IR connector, USB
connectors (2), telephony connector, line out
connector, microphone connector, LAN
connector, wavetable connector, wake on modem
connector, wake on LAN connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-------------+-----------------+----------|
| Chassis fan | J1A1 | USB connector | J4N2 |
| power | | | |
|-----------------+-------------+-----------------+----------|
| Soft off power | J1D1 pins 1 | Chassis | J6J2 |
| | & 2 | security | |
| | | connector | |
|-----------------+-------------+-----------------+----------|
| Green PC | J1D1 pins 3 | Parallel port | J6N1 |
| connector | & 4 | | |
|-----------------+-------------+-----------------+----------|
| IR connector | J1D1 pins 6 | Soft off power | J6N2 |
| | - 11 | supply | |
|-----------------+-------------+-----------------+----------|
| IDE interface | J1D1 pins | PS/2 mouse port | J7N1 |
| LED | 13 - 16 | | |
|-----------------+-------------+-----------------+----------|
| Green PC LED | J1D1 pins | Floppy drive | J8L1 |
| | 18 - 20 | interface | |
|-----------------+-------------+-----------------+----------|
| Reset switch | J1D1 pins | Line out | J8N2 |
| | 22 & 23 | connector | |
|-----------------+-------------+-----------------+----------|
| Speaker | J1D1 pins | IDE interface 1 | J9J1 |
| | 24 - 27 | | |
|-----------------+-------------+-----------------+----------|
| SCSI interface | J1F1 | IDE interface 2 | J9J2 |
| LED | | | |
|-----------------+-------------+-----------------+----------|
| VESA feature | J1K1 | Wavetable | J9L1 |
| connector | | connector | |
|-----------------+-------------+-----------------+----------|
| VGA port | J1N1 | CD-ROM audio | J9M1 |
| | | connector | |
|-----------------+-------------+-----------------+----------|
| LAN connector | J2N1 | Telephony | J9M3 |
| | | connector | |
|-----------------+-------------+-----------------+----------|
| Wake on LAN | J3F1 | Microphone | J9N1 |
| connector | | connector | |
|-----------------+-------------+-----------------+----------|
| Wake on modem | J3G1 | Slot 1 | SL1 |
| connector | | processor | |
| | | connector | |
|-----------------+-------------+-----------------+----------|
| Serial port | J4M1 | Riser slot | SL2 |
|-----------------+-------------+-----------------+----------|
| USB connector | J4N1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Floppy drive write protect | J8H1A | Pins 5 & 6 |
| | disabled | | closed |
|---+-----------------------------------+-------+------------|
| | Floppy drive write protect | J8H1A | Pins 4 & 5 |
| | disabled | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | J8H1C | Pins 5 & 6 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | J8H1C | Pins 4 & 5 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Password enabled | J8H1D | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Password disabled | J8H1D | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Flash BIOS write protect disabled | J8H1D | Pins 5 & 6 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write protect enabled | J8H1D | Pins 4 & 5 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Flash BIOS normal operation | J9E1 | Pins 5 & 6 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS recovery mode | J9E1 | Pins 4 & 5 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|----------+-----------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|----------+-----------------+---------------+---------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M 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 |
|----------+-----------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 | None |
|----------+-----------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|----------+-----------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|----------+-----------------+---------------+---------------|
| 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 |
|----------+-----------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|----------+-----------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 | None |
|----------+-----------------+---------------+---------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x |
| 72 DIMMs. The location of banks 0, 1, & 2 are |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the 256KB/512KB cache is |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: Board is factory installed with 2MB video memory. |
| The location is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J8H1A | J8H1B | J8H1C |
| speed | speed | | | | |
|----------+---------+------------+-------+----------+-------|
| 233MHz | 66MHz | 3.5x | 2 & 3 | 2 & 3, 5 | 2 & 3 |
| | | | | & 6 | |
|----------+---------+------------+-------+----------+-------|
| 266MHz | 66MHz | 4x | 1 & 2 | 1 & 2, 4 | 2 & 3 |
| | | | | & 5 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+