rtd cpuModule CMC6686GX, User Manual

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Solid State Disk Socket
• 32 , 64, 128 or 256 M bytes surface mount SDRAM, installed
• SSD socket can hold one of the following Conventional SSD devices.
(*) Larger devices may be available in the future.
Peripherals
• Two serial ports software configurable for RS232/422/485; baud rates from 50 to 115200
baud in 16450 and 16550A compatible mode and 1.5 Mbaud in Extended UART mode
• Parallel port with SPP, ECP, EPP capability and selectable interrupts and DMA channel
• PC/AT standard keyboard port
• PC speaker port
• Real Time Clock (requires user-supplied external battery for date and time backup)
• Watchdog Timer with time-out of 1.2 seconds
BIOS
• RTD Enhanced Award BIOS
• Directly supportsSolid State Disk (SSD) and M-Systems’ DiskOnChip®
• User-configurable using built-in Setup program
• Nonvolatile configuration without a battery
• Can boot from floppy disk, hard disk, Solid State Disk, or fail-safe boot rom
Connections
• The board may be one of two designs
Device
Full Read/Write
Access
128Kbytes 256Kbytes 512Kbytes 1Mbyte
Atmel 5V Flash
yes yes yes yes no
SRAM yes yes no yes no
NOVRAM
yes yes no yes no
EPROM Read Only yes yes yes yes
AMD 5V Flash
Read Only yes no yes no
Device
Full Read/Write
Access
Maximum Number per
cpuModule
Sizes
DiskOnChip®
2000
yes 1 2 - 288 MB *
DiskOnChip®
1000
yes 1 1MB, 2MB
MCSI PromDisk
yes 1 4MB, 8MB *