INTEL CORPORATION
SC450NX
| Device Type | Mainboard |
| Processor | Pentium II Xeon (4) |
| Processor Speed | 400/450MHz |
| Chip Set | Intel 450NX |
| Video Chip Set | Cirrus Logic |
| Maximum Onboard Memory | 4GB (EDO supported) |
| Maximum Video Memory | 2MB |
| Cache | 512KB/1MB/2MB (located on the Pentium II CPU) |
| BIOS | Phoenix |
| Dimensions | 330mm x 406mm |
| I/O Options | 32-bit PCI slots (7), floppy drive interface, IDE interface, SCSI interface, Wide SCSI interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, USB port, ATX power connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| ATX power connector | ATX | Hard drive LED connector | J6J3 |
| USB port | J1A1 | F16 expansion connector | J7G1 |
| PS/2 mouse port | J1B1 | External IPMB connector | J7H1 |
| Serial port 1 | J1B2 | Front panel connector | J8E1 |
| Serial port 2 | J1B3 | SMM connector | J8H1 |
| Parallel port | J1C1 | ATX power connector - secondary | J9D2 |
| 15-pin video connector | J1C2 | IDE interface | J9E2 |
| ICMB connector | J1E1 | Floppy drive interface | J9E3 |
| VRM connector - processor 1 | J4A1 | Auxiliary power connector | J9E4 |
| VRM connector - processors 1 & 2 | J4A2 | SMBus connector | J9F2 |
| VRM connector - processor 2 | J4B1 | SCSI interface | J9H1 |
| VRM connector - processor 3 | J4C1 | Wide SCSI interface 1 | J9H2 |
| VRM connector - processors 3 & 4 | J4C2 | Wide SCSI interface 2 | J9J1 |
| VRM connector - processor 4 | J4E1 | USB interface | JC9F14 |
| Wake-on-LAN connector | J4H1 | 32-bit PCI slots | PC1 - PC7 |
| ITP connector | J6G1 | Memory module slot | SL1 |
| PC speaker connector | J6J2 | ||
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
» |
CMOS memory normal operation | J6J1 | Pins 1 & 2 closed |
| CMOS memory clear | J6J1 | Pins 2 & 3 closed | |
» |
Password normal operation | J6J1 |
Pins 5 & 6 closed |
| Password clear | J6J1 |
Pins 6 & 7 closed |
|
| » | Normal boot from BIOS in flash memory | J6J1 |
Pins 9 & 10 closed |
| Boot from BIOS on floppy diskette, update flash memory | J6J1 |
Pins 10 & 11 closed |
|
CACHE CONFIGURATION |
| Note: 512KB/2MB cache is located on the Pentium II Xeon CPU |
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
| 128MB | (4) 4M x 64 | None | None | None |
256MB |
(4) 4M x 64 |
(4) 4M x 64 |
None |
None |
256MB |
(4) 8M x 64 |
None |
None |
None |
512MB |
(4) 4M x 64 |
(4) 4M x 64 |
(4) 4M x 64 |
(4) 4M x 64 |
512MB |
(4) 8M x 64 |
(4) 8M x 64 |
None |
None |
512MB |
(4) 16M x 64 |
None |
None |
None |
1024MB |
(4) 8M x 64 |
(4) 8M x 64 |
(4) 8M x 64 |
(4) 8M x 64 |
1024MB |
(4) 16M x 64 |
(4) 16M x 64 |
None |
None |
1536MB |
(4) 16M x 64 |
(4) 16M x 64 |
(4) 8M x 64 |
(4) 8M x 64 |
1536MB |
(4) 16M x 64 |
(4) 16M x 64 |
(4) 16M x 64 |
None |
2048MB |
(4) 16M x 64 |
(4) 16M x 64 |
(4) 16M x 64 |
(4) 16M x 64 |
| Note: Board accepts EDO memory. | ||||