TYAN COMPUTER CORPORATION
S1668 (REV. 1.2)
|
Processor |
Pentium Pro |
|
Processor Speed |
150/166/180/200MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
1GB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB (located on Pentium Pro CPU) |
|
BIOS |
AMI/Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (5), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connectors (2), VRM connectors (2), USB connectors (2), soft on power switch |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Turbo LED |
J42 |
|
Parallel port |
CN2 |
Speaker |
J43 |
|
PS/2 mouse port |
CN3 |
Power LED & keylock |
J44 |
|
Serial port 2 |
CN4 |
Reset switch |
J45 |
|
IDE interface 2 |
CN5 |
IDE interface LED |
J46 |
|
IDE interface 1 |
CN6 |
Turbo switch |
J47 |
|
Floppy drive interface |
CN7 |
Chassis fan power |
J49 |
|
IR connector |
CON4 |
Chassis fan power |
J50 |
|
IR connector |
CON5 |
32-bit PCI slots |
PC1 - PC5 |
|
Soft on power switch |
J1 |
VRM connector |
VRM0 |
|
USB connector 1 |
J18 |
VRM connector |
VRM1 |
|
USB connector 2 |
J25 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
SMC I/O chip type select 665IR |
J26 |
Pins 1 & 2 closed | |
|
SMC I/O chip type select 669IR |
J26 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
J30 |
Unidentified |
|
|
Factory configured - do not alter |
J31 |
Unidentified |
|
|
Flash BIOS voltage select 5v |
J32 |
Pins 1 & 2 closed |
|
Flash BIOS voltage select 12v |
J32 |
Pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
J41 |
Open |
|
CMOS memory clear |
J41 |
Closed | |
|
|
Factory configured - do not alter |
J48 |
Unidentified |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
8MB |
(2) 1M x 32 |
None |
None |
None |
|
16MB |
(2) 2M x 32 |
None |
None |
None |
|
16MB |
(2) 1M x 32 |
(2) 1M x 32 |
None |
None |
|
32MB |
(2) 2M x 32 |
(2) 2M x 32 |
None |
None |
|
32MB |
(2) 1M x 32 |
(2) 1M x 32 |
(2) 1M x 32 |
(2) 1M x 32 |
|
32MB |
(2) 4M x 32 |
None |
None |
None |
|
64MB |
(2) 4M x 32 |
(2) 4M x 32 |
None |
None |
|
64MB |
(2) 8M x 32 |
None |
None |
None |
|
128MB |
(2) 16M x 32 |
None |
None |
None |
|
128MB |
(2) 4M x 32 |
(2) 4M x 32 |
(2) 4M x 32 |
(2) 4M x 32 |
|
128MB |
(2) 8M x 32 |
(2) 8M x 32 |
None |
None |
|
192MB |
(2) 8M x 32 |
(2) 8M x 32 |
(2) 8M x 32 |
None |
|
256MB |
(2) 8M x 32 |
(2) 8M x 32 |
(2) 8M x 32 |
(2) 8M x 32 |
|
256MB |
(2) 16M x 32 |
(2) 16M x 32 |
None |
None |
|
256MB |
(2) 32M x 32 |
None |
None |
None |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
384MB |
(2) 16M x 32 |
(2) 16M x 32 |
(2) 16M x 32 |
None |
|
512MB |
(2) 16M x 32 |
(2) 16M x 32 |
(2) 16M x 32 |
(2) 16M x 32 |
|
512MB |
(2) 32M x 32 |
(2) 32M x 32 |
None |
None |
|
640MB |
(2) 32M x 32 |
(2) 16M x 32 |
(2) 16M x 32 |
(2) 16M x 32 |
|
768MB |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 32M x 32 |
None |
|
768MB |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 16M x 32 |
(2) 16M x 32 |
|
832MB |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 8M x 32 |
|
896MB |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 16M x 32 |
|
1024MB |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 32M x 32 |
(2) 32M x 32 |
|
Note: Board accepts EDO memory. | ||||
|
DRAM VOLTAGE SELECTION | |||||||||
|
Voltage |
J2 |
J3 |
J4 |
J5 |
J14 |
J15 |
J16 |
J17 | |
|
3.3v |
Closed |
Closed |
Open |
Open |
Closed |
Closed |
Open |
Open | |
|
5v |
Open |
Open |
Closed |
Closed |
Open |
Open |
Closed |
Closed | |
|
CACHE CONFIGURATION |
|
Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
|
CPU SPEED SELECTION | |||||||
|
CPU speed |
J11 |
J12 |
J21 |
J22 |
J23 |
J24 |
J27 |
|
150MHz |
Closed |
Open |
Open |
Closed |
Closed |
Closed |
3 & 4 |
|
166MHz |
Open |
Closed |
Open |
Closed |
Closed |
Closed |
1 & 2 |
|
180MHz |
Closed |
Open |
Closed |
Open |
Closed |
Closed |
3 & 4 |
|
200MHz |
Open |
Closed |
Closed |
Open |
Closed |
Closed |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU VOLTAGE SELECTION | |||
|
Voltage |
J10 |
J20 | |
|
Auto select |
Open |
Open | |
|
2.1v |
1 & 5 |
1 & 5 | |
|
2.2v |
2 & 6 |
2 & 6 | |
|
2.3v |
1 & 5, 2 & 6 |
1 & 5, 2 & 6 | |
|
2.4v |
3 & 7 |
3 & 7 | |
|
2.5v |
1 & 5, 3 & 7 |
1 & 5, 3 & 7 | |
|
2.6v |
2 & 6, 3 & 7 |
2 & 6, 3 & 7 | |
|
2.7v |
1 & 5, 2 & 6, 3 & 7 |
1 & 5, 2 & 6, 3 & 7 | |
|
2.8v |
4 & 8 |
4 & 8 | |
|
2.9v |
1 & 5, 4 & 8 |
1 & 5, 4 & 8 | |
|
3.0v |
2 & 6, 4 & 8 |
2 & 6, 4 & 8 | |
|
3.1v |
1 & 5, 2 & 6, 4 & 8 |
1 & 5, 2 & 6, 4 & 8 | |
|
3.2v |
3 & 7, 4 & 8 |
3 & 7, 4 & 8 | |
|
3.3v |
1 & 5, 3 & 7, 4 & 8 |
1 & 5, 3 & 7, 4 & 8 | |
|
3.4v |
2 & 6, 3 & 7, 4 & 8 |
2 & 6, 3 & 7, 4 & 8 | |
|
3.5v |
1 & 5, 2 & 6, 3 & 7, 4 & 8 |
1 & 5, 2 & 6, 3 & 7, 4 & 8 | |
|
Note: Pins designated should be in the closed position. | |||
|
SERIAL PORT SELECTION | |||
|
Setting |
J28 |
J29 | |
|
Used and COM 1 or 2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
Used as IR connector |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |