TYAN COMPUTER CORPORATION
S1846S (LA)
Device Type |
Mainboard, Single board computer |
Processor |
Pentium II/Celeron |
Processor Speed |
233/266/300/333/350/400MHz |
Chip Set |
Intel 440BX |
Maximum Onboard Memory |
768MB (SDRAM supported) |
Audio Chip Set |
Ensoniq ES1371 |
Cache |
0/128/256/512KB (located on the CPU) |
BIOS |
AMI |
Dimensions |
305mm x 244mm |
I/O Options |
32-bit PCI slots (5), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROM |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
AGP slot |
AGP |
Floppy drive interface |
CN13 |
ATX power connector |
ATX |
Wake on LAN connector |
CON3 |
Chassis fan power |
C1 |
Chassis intrusion connector |
J7 |
Chassis fan power |
C2 |
Soft off power supply |
J8/pins 1 & 2 |
Chassis fan power |
C3 |
Green PC connector |
J8/pins 3 & 4 |
Game/MIDI port |
CN1 |
IR connector |
J8/pins 6 - 10 |
Microphone in |
CN2 |
IDE interface LED |
J8/pins 13 - 16 |
Line in |
CN3 |
Power LED |
J8/pins 18 & 20 |
Line out |
CN4 |
Reset switch |
J8/pins 22 & 23 |
Serial port 2 |
CN5 |
Speaker |
J8/pins 24 - 27 |
Serial port 1 |
CN6 |
MPEG connector |
J9 |
Parallel port |
CN7 |
TDA connector |
J10 |
USB connector 1 |
CN8 |
Audio in - CD-ROM |
J11 |
USB connector 2 |
CN9 |
Video connector |
J13 |
PS/2 mouse port |
CN10 |
Green PC connector |
JP16 |
IDE interface 2 |
CN11 |
32-bit PCI slots |
PC1 - PC5 |
IDE interface 1 |
CN12 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Factory configured - do not alter |
CON2 |
Unidentified |
» |
CMOS memory normal operation |
JP2 |
Pins 1 & 2 closed |
CMOS memory clear |
JP2 |
Pins 2 & 3 closed | |
On board sound enabled |
JP17 |
Open | |
On board sound disabled |
JP17 |
Closed |
DIMM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
8MB |
(1) 1M x 64 |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
32MB |
(1) 4M x 64 |
None |
None |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
64MB |
(1) 8M x 64 |
None |
None |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
128MB |
(1) 16M x 64 |
None |
None |
DIMM CONFIGURATION (CON'T) | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
164MB |
(1) 16M x 64 |
(1) 1M x 64 |
None |
144MB |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
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 |
256MB |
(1) 32M x 64 |
None |
None |
264MB |
(1) 32M x 64 |
(1) 1M x 64 |
None |
272MB |
(1) 32M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
272MB |
(1) 32M x 64 |
(1) 2M x 64 |
None |
288MB |
(1) 32M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
288MB |
(1) 32M x 64 |
(1) 4M x 64 |
None |
320MB |
(1) 32M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
320MB |
(1) 32M x 64 |
(1) 8M x 64 |
None |
384MB |
(1) 32M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
384MB |
(1) 32M x 64 |
(1) 16M x 64 |
None |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
512MB |
(1) 32M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
512MB |
(1) 32M x 64 |
(1) 32M x 64 |
None |
768MB |
(1) 32M x 64 |
(1) 32M x 64 |
(1) 32M x 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 |
JP10 |
JP11 |
JP12 |
JP13 |
233MHz |
66MHz |
3.5x |
Closed |
Open |
Open |
Closed |
266MHz |
66MHz |
4x |
Open |
Closed |
Closed |
Closed |
300MHz |
66MHz |
4.5x |
Open |
Closed |
Open |
Closed |
300MHz |
100MHz |
3x |
Closed |
Open |
Closed |
Closed |
333MHz |
66MHz |
5x |
Open |
Open |
Closed |
Closed |
350MHz |
100MHz |
3.5x |
Closed |
Open |
Open |
Closed |
400MHz |
100MHz |
4x |
Open |
Closed |
Closed |
Closed |
FLOPPY DRIVE/IR SELECTION | |||
Setting |
JP4 |
JP7 |
JP8 |
2 floppy drives |
Closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
1 floppy, 1 IR |
Open |
Pins 1 & 2 closed |
Pins 2 & 3 closed |