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# SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-661/P
Device Type Mainboard
Processor Pentium II/Celeron
Processor Speed 233/266/300/333/350/400/450/500MHz
Chip Set Intel 440BX
Maximum Onboard 1GB (SDRAM supported)
Memory
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 305mm x 170mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
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 | Power LED & | J27 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Reset switch | J32 |
| connector | | | |
|-------------------+----------+------------------+----------|
| EISCA connector | C1 | Wake on LAN | J45 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | AGP fan power | J47 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | IR connector | JP4 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN3 | Speaker | JP24 |
|-------------------+----------+------------------+----------|
| USB connector 1 | CN4 | CPU fan power | JP28 |
|-------------------+----------+------------------+----------|
| USB connector 2 | CN5 | CPU fan power | JP29 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN6 | Chassis fan | JP43 |
| | | power | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN7 | Soft off power | S1 |
| | | supply | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN8 | IDE interface | S3 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN9 | 32-bit PCI slots | PC1 - |
| interface | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | J17 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 5v | J17 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| ยป | CMOS memory normal operation | JP19 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | CMOS memory clear | JP19 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 64 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 64 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x | (1) 2M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 64 | None | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x | None |
| | | | 64 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 128MB | (1) 16M x | None | None | None |
| | 64 | | | |
|--------+------------+------------+------------+------------|
| 128MB | (1) 8M x | (1) 8M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 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 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 speed | Multiplier | JP39 |
|------------+--------------+------------+-------------------|
| 233MHz | 66MHz | 3.5x | Pins 5 & 6 closed |
|------------+--------------+------------+-------------------|
| 266MHz | 66MHz | 4x | Pins 5 & 6 closed |
|------------+--------------+------------+-------------------|
| 300MHz | 66MHz | 4.5x | Pins 5 & 6 closed |
|------------+--------------+------------+-------------------|
| 333MHz | 66MHz | 5x | Pins 5 & 6 closed |
|------------+--------------+------------+-------------------|
| 350MHz | 100MHz | 3.5x | Open |
|------------+--------------+------------+-------------------|
| 400MHz | 100MHz | 4x | Open |
|------------+--------------+------------+-------------------|
| 450MHz | 100MHz | 4.5x | Open |
|------------+--------------+------------+-------------------|
| 500MHz | 100MHz | 5x | Open |
|------------+--------------+------------+-------------------|
| 550MHz | 100MHz | 5.5x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Clock speed | JP37A | JP37B | JP37C | JP37D | JP37E |
|--------------+---------+--------+--------+--------+--------|
| BIOS select | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------------+---------+--------+--------+--------+--------|
| Manual | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
| select | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed |
| position. If the above jumpers are set to manual, |
| remove jumper at JP45. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD/MOUSE SELECTION |
|------------------------------------------------------------|
| Setting | J44 | JP38 |
|-----------------------------+------------+-----------------|
| Keyboard/mouse power on | Pins 1 & 2 | Pins 2 & 3, 5 & |
| enabled | closed | 6 closed |
|-----------------------------+------------+-----------------|
| Keyboard/mouse power on | Pins 2 & 3 | Pins 1 & 2, 4 & |
| disabled | closed | 5 closed |
|-----------------------------+------------+-----------------|
| Mouse power on enabled | Pins 1 & 2 | Pins 2 & 3, 4 & |
| | closed | 5 closed |
|-----------------------------+------------+-----------------|
| Keyboard power on disabled | Pins 1 & 2 | Pins 1 & 2, 5 & |
| | closed | 6 closed |
+------------------------------------------------------------+