SQ575
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2
Key Features
The SQ575 mainboard integrates the Pentium microprocessor, memory, and I/O technologies
and is designed to fit into a standard AT form factor chassis. Page 2-2 illustrates the
mechanical form factor for the SQ575 mainboard.
2.1
Product Specification
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Processor: Supports 90-233MHz Intel Pentium Processors (P54C), Pentium
Processors with
MMX
Technology (P55C), AMD-K5, AMD-K6 and Cyrix 6X86,
6X86L, M2 Processors. The ZIF Socket 7 will support future Pentium Overdrives.
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L2 Cache: Onboard 256KB or 512KB Pipeline Burst SRAM
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SIMM (System Memory): Supports 70ns or faster Extended Data Output (EDO) or
Fast Page (FP) SIMM in four 72-pin SIMM sockets using 4MB, 8MB, 16MB, 32MB or
64MB for a maximum of 256MB system memory.
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DIMM (System Memory): Supports 66MHz or faster 3.3V DIMM in two 168-pin
DIMM sockets using 1Mx64, 2Mx64, or 4Mx64 for a maximum of 256MB system
memory.
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Chipset: Intel Triton 430TX set is the core chipset with an Winbond 977 super I/O
controller chip.
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Expansion Slots: Four 32-bit PCI and Three 16-bit ISA expansions slots (one shared).
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Super Multi-I/O: Two high-speed UART compatible serial ports and One parallel port
with ECP and EPP compatibility. One FDD header supporting either 5.25“ or 3.5” (1.2
or 1.44/2.88MB) floppy drives. One IrDA TX/RX infrared port.
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PS/2 Mouse header: Onboard PS/2 Mouse Port
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PCI bus Master IDE Controller: Onboard dual-channel PCI Bus Master IDE support
4 IDE devices. This controller supports PIO Mode 3 and Mode 4 with a data transfer
rate up to 17MB per second. An Ultra DMA 33 (UDMA) supports data transfer rates up
to 33 MB per second. Also supports 120MB Floppy Drive.
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Universal Serial Bus (USB): Two standard USB interface supports up to 48MHz and
127 peripheral devices.
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PCI BIOS: Win 95 Plug and Play with Green power saving support, and DMI
Support.
Mechanical: Baby AT form factor 220 mm x 230 mm
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