4 PCA-6157 User's Manual
Memory
• RAM memory: Up to 128 MB on-board. Four 72-pin sockets
(72-pin sockets accept 4, 8, 16 and 32 MB SIMMs)
• Shadow RAM memory: Supports system and video BIOS of up
to 256 KB in 32 KB blocks
I/O
• SMC 37C665 series Super I/O controller
• Floppy disk drive interface: Supports up to two floppy disk
drives, 5.25" (360 KB and 1.2 MB) and/or 3.5" (720 KB,
1.44 MB and 2.88 MB). BIOS enabled/disabled
• Enhanced bi-directional parallel port: Configurable to LPT1,
LPT2, LPT3 or disabled. Standard DB-25 female connector
provided. Supports EPP/ECP
• Serial ports: Two RS-232 ports with 16C550 UARTs (or compati-
ble) with 16-byte FIFO buffer. Supports speeds up to 115 Kbps.
Ports can be individually configured to COM1, COM2 or
disabled.
• Real time clock/calendar: Dallas DS-12887 with lithium battery
back-up for 10 years of data retention
• PCI Enhanced IDE interface: Supports up to four IDE (AT bus)
large hard disk drives (up to 8.4 GB) or other enhanced IDE
devices. Supports mode 4 (16.67 MB/sec. data transfer rate).
BIOS enabled/disabled
• Keyboard or PS/2 mouse connector: A 6-pin mini DIN connector
is located on the mounting bracket for easy connection to a
keyboard or PS/2 mouse. An on-board keyboard pin header
connector is also available.