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# TYAN COMPUTER CORPORATION
S1952DLU
Device Type Mainboard
Processor Pentium II
Processor Speed 350/400/450/500MHz
Chip Set Intel 440GX
Maximum Onboard 2GB (SDRAM supported)
Memory
Cache 256/512KB (located on Pentium II CPU)
BIOS AMI
Dimensions 355mm x 304mm
I/O Options 32-bit PCI slots (6), floppy drive interface,
IDE interfaces (2), SCSI interface, Wide
Ultra SCSI interfaces (2), parallel port,
PS/2 mouse port, serial ports (2), IR
connector, USB connectors (2), ATX power
connector, AGP slot, RAID slot, wake on LAN
connector, wake on modem connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| AGP slot | AGP | IDE interface 1 | CN10 |
|------------------+----------+------------------+-----------|
| ATX power | ATX1 | IDE interface 2 | CN11 |
| connector | | | |
|------------------+----------+------------------+-----------|
| ATX power | ATX2 | Floppy drive | CN12 |
| connector | | interface | |
|------------------+----------+------------------+-----------|
| Chassis fan | C1 | Chassis | J8 |
| power | | intrusion | |
| | | connector | |
|------------------+----------+------------------+-----------|
| CPU fan power | C2 | Wake on LAN | JP15 |
| | | connector | |
|------------------+----------+------------------+-----------|
| CPU fan power | C3 | Green PC | JP17 |
| | | connector | |
|------------------+----------+------------------+-----------|
| Chassis fan | C4 | Wake on modem | JP19 |
| power | | connector | |
|------------------+----------+------------------+-----------|
| CPU fan power | C5 | IDE interface | JP20/pins |
| | | LED | 1 - 3 |
|------------------+----------+------------------+-----------|
| CPU fan power | C6 | Power LED | JP20/pins |
| | | | 2 & 4 |
|------------------+----------+------------------+-----------|
| Parallel port | CN1 | Reset switch | JP20/pins |
| | | | 5 & 7 |
|------------------+----------+------------------+-----------|
| Serial port 2 | CN2 | Soft off power | JP20/pins |
| | | supply | 6 & 8 |
|------------------+----------+------------------+-----------|
| Serial port 1 | CN3 | IR connector | JP20/pins |
| | | | 9 & 15 |
|------------------+----------+------------------+-----------|
| USB connector 1 | CN4 | SCSI interface | JP27 |
| | | LED | |
|------------------+----------+------------------+-----------|
| USB connector 2 | CN5 | Server | JP28 |
| | | management | |
| | | connector | |
|------------------+----------+------------------+-----------|
| PS/2 mouse port | CN6 | Speaker | JP35 |
|------------------+----------+------------------+-----------|
| Wide Ultra SCSI | CN7 | 32-bit PCI slots | PC1 - PC6 |
| interface | | | |
|------------------+----------+------------------+-----------|
| SCSI interface | CN8 | RAID slot | SL1 |
|------------------+----------+------------------+-----------|
| Wide Ultra SCSI | CN9 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J14 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J15 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J17 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP3 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP21 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP22 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP23 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | On board SCSI enabled | JP36 | Open |
|---+---------------------------------+-------+--------------|
| | On board SCSI disabled | JP36 | Closed |
|------------------------------------------------------------|
| Note: The location of JP2 & JP21 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 64 | None |
|--------+-------------+-------------+-------------+---------|
| 32MB | (1) 4M x 64 | None | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 32MB | (1) 2M x | (1) 2M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 32MB | (1) 1M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 40MB | (1) 4M x | (1) 1M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 48MB | (1) 4M x | (1) 2M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 48MB | (1) 2M x | (1) 2M x | (1) 2M x | None |
| | 64 | 64 | 64 | |
|--------+------------+------------+------------+------------|
| 64MB | (1) 2M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 64MB | (1) 8M x | None | None | None |
| | 64 | | | |
|--------+------------+------------+------------+------------|
| 64MB | (1) 4M x | (1) 4M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 72MB | (1) 8M x | (1) 1M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 80MB | (1) 8M x | (1) 2M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 96MB | (1) 8M x | (1) 4M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 96MB | (1) 4M x | (1) 4M x | (1) 4M x | None |
| | 64 | 64 | 64 | |
|--------+------------+------------+------------+------------|
| 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) 64M x | None | None | None |
| | 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) 64M x | (1) 64M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 1024MB | (1) 32M x | (1) 32M x | (1) 32M x | (1) 32M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 1536MB | (1) 64M x | (1) 64M x | (1) 64M x | None |
| | 64 | 64 | 64 | |
|--------+------------+------------+------------+------------|
| 2048MB | (1) 64M x | (1) 64M x | (1) 64M x | (1) 64M x |
| | 64 | 64 | 64 | 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP11 | JP12 | JP13 | JP14 |
|---------+-----------+----------+------+------+------+------|
| 350MHz | 100MHz | 3.5x |Closed| Open | Open |Closed|
|---------+-----------+----------+------+------+------+------|
| 400MHz | 100MHz | 4x | Open |Closed|Closed|Closed|
|---------+-----------+----------+------+------+------+------|
| 450MHz | 100MHz | 4.5x | Open |Closed| Open |Closed|
|---------+-----------+----------+------+------+------+------|
| 500MHz | 100MHz | 5x | Open | Open |Closed|Closed|
+------------------------------------------------------------+