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# SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-671
Device Type Mainboard
Processor Pentium II/Celeron
Processor Speed 233/266/300/333MHz
Chip Set Intel 440EX
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Audio Chip Set OPTI
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 244mm x 170mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
game/MIDI port, IDE interfaces (2), parallel
port, PS/2 mouse port, PS/2 mouse interface,
serial ports (2), serial port, IR connector,
USB connectors (2), ATX power connector, AGP
slot, line in, line out, microphone in, audio
in – CD-ROMs (2), wake on LAN connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| AGP slot | AGP | Floppy drive | CN13 |
| | | interface | |
|------------------+----------+-------------------+----------|
| ATX power | ATX | IR connector | J3 |
| connector | | | |
|------------------+----------+-------------------+----------|
| EISCA connector | C1 | Chassis fan power | J13 |
|------------------+----------+-------------------+----------|
| Game/MIDI port | CN1 | Wake on LAN | J14 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Microphone in | CN2 | Reset switch | J16 |
|------------------+----------+-------------------+----------|
| Line in | CN3 | AGP fan power | J18 |
|------------------+----------+-------------------+----------|
| Line out | CN4 | CPU fan power | JP3 |
|------------------+----------+-------------------+----------|
| Serial port 2 | CN5 | CPU fan power | JP5 |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN6 | Speaker | JP9 |
|------------------+----------+-------------------+----------|
| Parallel port | CN7 | Power LED | JP10 |
|------------------+----------+-------------------+----------|
| USB connector 1 | CN8 | 32-bit PCI slots | PC1 – |
| | | | PC3 |
|------------------+----------+-------------------+----------|
| USB connector 2 | CN9 | Soft off power | S2 |
| | | supply | |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | CN10 | IDE interface LED | S3 |
|------------------+----------+-------------------+----------|
| IDE interface 2 | CN11 | Audio in – CD-ROM | SJ1 |
|------------------+----------+-------------------+----------|
| IDE interface 1 | CN12 | Audio in – CD-ROM | SJ2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | JP8 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 5v | JP8 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP11 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP11 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | SJP1 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (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 |
|------------------------------------------------------------|
| 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 |Clock |Multiplier|JP2/pins 1 &|JP2/pins 3|JP2/pins 5|
| speed |speed | | 2 | & 4 | & 6 |
|-------+------+----------+------------+----------+----------|
|233MHz |66MHz | 3.5x | Open | Open | Open |
|-------+------+----------+------------+----------+----------|
|266MHz |66MHz | 4x | Open | Open | Open |
|-------+------+----------+------------+----------+----------|
|300MHz |66MHz | 4.5x | Open | Open | Open |
|-------+------+----------+------------+----------+----------|
|333MHz |66MHz | 5x | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP6A | JP6B | JP6C | JP6D |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 233MHz | 66MHz | 3.5x | 2 & 3 | Open | 2 & | Open |
| | | | | | 3 | |
|--------+--------+------------+-------+-------+------+------|
| 266MHz | 66MHz | 4x | Open | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 300MHz | 66MHz | 4.5x | Open | 2 & 3 | 2 & | Open |
| | | | | | 3 | |
|--------+--------+------------+-------+-------+------+------|
| 333MHz | 66MHz | 5x | Open | Open | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed |
| position. If BIOS detects multiplier, set all above |
| jumpers to pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD/MOUSE SELECTION |
|------------------------------------------------------------|
| Setting | JP1 | JP4 |
|-------------------------+--------------+-------------------|
| Keyboard/mouse power on | Pins 2 & 3 | Pins 2 & 3, 5 & 6 |
| enabled | closed | closed |
|-------------------------+--------------+-------------------|
| Keyboard/mouse power on | Pins 1 & 2 | Pins 1 & 2, 4 & 5 |
| disabled | closed | closed |
|-------------------------+--------------+-------------------|
| Mouse power on enabled | Pins 2 & 3 | Pins 2 & 3, 4 & 5 |
| | closed | closed |
|-------------------------+--------------+-------------------|
| Keyboard power on | Pins 2 & 3 | Pins 1 & 2, 5 & 6 |
| disabled | closed | closed |
|------------------------------------------------------------|
| Note: The location of the above jumpers is unidentified. |
+------------------------------------------------------------+