SUPER MICRO
S2DGU (REV. 1.3)
| Device Type | Mainboard |
| Processor | Pentium II |
| Processor Speed | 400/450MHz |
| Chip Set | Intel 440GX |
| Maximum Onboard Memory | 2GB (SDRAM supported) |
| Cache | 256/512KB (located on the Pentium II CPU) |
| BIOS | AMI |
| Dimensions | 305mm x 245mm |
| I/O Options | 32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), SCSI-2 interface, Wide Ultra SCSI interface, Ultra SCSI interface, parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, RAID slot |

CONNECTIONS |
|||
| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
Power LED & keylock | JF1/pins 5 - 9 |
| ATX power connector | ATX |
Speaker connector | JF1/pins 10 - 13 |
| SB-link connector | CN1 |
IR connector | JF2/pins 1 - 8 |
| IDE interface 1 | J15 |
Soft off power supply | JF2/pins 9 & 10 |
| IDE interface 2 | J16 |
Reset switch | JF2/pins 12 & 13 |
| USB connector 1 | J17 |
Chassis intrusion connector | JL1 |
| USB connector 2 | J18 |
Overheat LED | JOH |
| Parallel port | J19 |
Chassis fan power | JT1 |
| Serial port 1 | J20 |
Chassis fan power | JT1A |
| Serial port 2 | J21 |
Chassis fan power | JT2 |
| Floppy drive interface | J22 |
Chassis fan power | JT2A |
| PS/2 mouse and KB port | J34 |
Chassis fan power | JT3 |
| 5v auxiliary power | J36 |
Chassis fan power | JT3A |
| Ultra II SCSI interface | JA1 |
32-bit PCI slots | PC1 - PC5 |
| Ultra Wide SCSI interface | JA2 |
RAID slot | SL1 |
| SCSI interface | JA3 | SCSI interface LED | SLED |
| External battery | JBT2 |
Wake on LAN connector | WOL |
| IDE interface LED | JF1/pins 1 - 4 |
||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| Overheat buzzer disabled | BZON |
Open |
|
| Overheat buzzer enabled | BZON |
Closed |
|
» |
CMOS memory normal operation | JBT1 |
Pins 1 & 2 closed |
| CMOS memory clear | JBT1 |
Pins 2 & 3 closed |
|
» |
Factory configured - do not alter | JL2 |
Unidentified |
» |
Factory configured - do not alter | JP16 |
Unidentified |
» |
Factory configured - do not alter | JP18 |
Unidentified |
» |
BIOS CTL PD state | JP20 |
Pins 2 & 3 closed |
| PIIX CTL PD state | JP20 |
Pins 1 & 2 closed |
|
» |
Factory configured - do not alter | JPR1 |
Unidentified |
» |
Factory configured - do not alter | JPWP |
Unidentified |
» |
Factory configured - do not alter | JTM |
Unidentified |
| SCSI termination enabled | STE |
Closed |
|
| SCSI termination disabled | STE | Open | |
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 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
None |
32MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 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 64 |
None |
64MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 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 64 |
None |
128MB |
(1) 16M x 64 |
None |
None |
None |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
None |
128MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
None |
None |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
None |
None |
176MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
None |
None |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
None |
256MB |
(1) 32M x 64 |
None |
None |
None |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
None |
256MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
272MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
280MB |
(1) 32M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
288MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
320MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
None |
448MB |
(1) 32M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
512MB |
(1) 64M x 64 |
None |
None |
None |
512MB |
(1) 32M x 64 |
(1) 32M x 64 |
None |
None |
512MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
640MB |
(1) 32M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
768MB |
(1) 32M x 64 |
(1) 32M x 64 |
(1) 32M x 64 |
None |
1024MB |
(1) 64M x 64 |
(1) 64M x 64 |
None |
None |
1024MB |
(1) 32M x 64 |
(1) 32M x 64 |
(1) 32M x 64 |
(1) 32M x 64 |
1536MB |
(1) 64M x 64 |
(1) 64M x 64 |
(1) 64M x 64 |
None |
2048MB |
(1) 64M x 64 |
(1) 64M x 64 |
(1) 64M x 64 |
(1) 64M x 64 |
| Note: Board accepts SDRAM memory. | ||||
CACHE CONFIGURATION |
| Note: 256/512KB cache is located on the Pentium II CPU. |
CPU SPEED SELECTION |
||||
Multiplier |
JB1 |
JB2 |
JB3 |
JB4 |
3x |
Open |
Closed |
Open |
Open |
3.5x |
Closed |
Closed |
Open |
Open |
4x |
Closed |
Closed |
Open |
Closed |
4.5x |
Open |
Closed |
Open |
Closed |
5x |
Closed |
Open |
Open |
Closed |
5.5x |
Open |
Open |
Open |
Closed |
6x |
Closed |
Closed |
Closed |
Open |
CPU CLOCK SPEED SELECTION |
|
Clock speed |
JP11 |
66MHz |
Pins 2 & 3 closed |
100MHz |
Pins 1 & 2 closed |