Entry by Carlos S. M.
Shuttle HOT-637A

Shuttle HOT-637A


CPU support

Supported sockets:
  • Slot 1
Front Side Bus speed: 50*/60*/66/75*/83* MHz
Supported architectures:
  • Intel Celeron Covington
  • Intel Celeron Mendocino
  • Intel Celeron (w/ Slotket) Mendocino
  • Intel Pentium II Deschutes
  • Intel Pentium II Klamath
  • Intel Pentium Pro - 1MB (w/ Slotket) P6
  • Intel Pentium Pro - 256K (w/ Slotket) P6
  • Intel Pentium Pro - 512K (w/ Slotket) P6
Note! Some steppings might require updated BIOS/microcode to work properly.
FSB speeds marked with asterisk are not officially supported by chipset

System memory

  • Type: SDRAM 50*/60*/66/75*/83*
    4x 168-pin DIMM
    ECC memory is optional
Max supported: 1.00 GB
RAM speeds marked with asterisk are not officially supported by chipset


Northbridge/MCH: Intel 440LX
Southbridge/ICH/PCH/MCP: Intel PIIX4
SuperIO: ITE IT8671F-A

Power supply

Main board power: 20-pin ATX
4 3-pin DC fan headers

Expansion slots

AGP 1.0 2x slot with 3.3 V keying
4 PCI slots
3 16-bit ISA slots

Rear I/O ports

PS/2 keyboard
PS/2 mouse
2x USB 1.0 (1.1 Mb/s)
2x DE-9 serial
1x DB-25 parallel

Internal I/O headers

IrDA header


2 IDE channels, up to 33 MB/s
Floppy connector, up to 2 drives

Circuit board

ATX form factor
PCB manufactured in the year 1997



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