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Chapter 2 Product Overview
XTX 820 Reference Manual 7
Board Features
• CPU features
♦ Intel Celeron M 373 1.0 GHz with 512 kbytes L2 cache
♦ Intel Pentium M 738 1.4 GHz with 2 Mbytes L2 cache
♦ Intel Pentium M 745 1.8 GHz with 2 Mbytes L2 cache
♦ All three CPUs use 400 MHz front side bus (FSB)
• Memory
♦ Single standard 200-pin DDR2 SODIMM socket
♦ Supports +1.8V RAM up to 1 GB
♦ Supports PC2 3200 DDR2 400 (400 Mbps, 200 MHz)
• Power Management
♦ Supports ACPI 2.0 with S3 (Suspend to RAM)
• PCI Bus
♦ PCI 2.1 compliant
♦ PCI Bus speed at 33 MHz
• PCI Express
♦ Supports 4 x1 PCI Express Lanes
♦ Supports PCI Express edge card or ExpressCards on custom baseboard
♦ Supports PCI Express specification v1.0a
• LPC Bus
♦ Provides low-bandwidth support through low pin count (LPC) bus
♦ Provides substitute for ISA bus with Super I/O chip on baseboard
• IDE/ATA Interfaces
♦ Supports two Serial ATA interfaces
♦ Supports one EIDE channel (UDMA 66/100)
♦ Supports ATAPI and DVD peripherals
♦ Supports IDE native and ATA compatibility modes
• Floppy Disk Interface
♦ Shares output connector with Parallel port
♦ Supports one standard (34-pin) floppy drive
♦ Supports all standard PC/AT formats: 360KB, 1.2MB, 720KB, 1.44MB
• Serial Ports
♦ Provides two buffered TTL serial ports with full handshaking (transceiver on baseboard)
♦ Provides 16550-equivalent controllers, each with a built-in 16-byte FIFO buffer
♦ Supports full modem capability
♦ Supports programmable word length, stop bits, and parity
♦ Supports 16-bit programmable baud-rate generator and a interrupt generator.