VPC Motherboard Specifications

G486VPC™
Retired

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G486VPC256 Motherboard Specifications

The G486VPC is ideal for a broad range of industrial applications utilizing the popular 486 class of processors. It supports up to seven expansion cards, all of which can be full length ISA cards, on an industry standard Baby AT format motherboard. Its compact size, high reliability and large number of expansion slots makes it an ideal alternative to expensive passive backplane system architectures.

One of the most important qualities of the G486VPC is that it is produced under strict revision control guidelines to provide a long and stable product life cycle. This makes it ideal for computer telephony, industrial control, medical instrumentation and other application environments where extensive testing or certification of the system is required. ITOX revision controlled motherboards reduce your long term costs for system testing, certification and maintenance.

Features:

• Long and stable product life cycle
• 7 expansion slots; supports up to 7 full length ISA cards
• Supports 486 class processors from Intel®, AMD®, Cyrix®, STMicroelectronics® and others
• Baby AT industry standard form factor
• High quality, long life components
• ISO 9001:2000 registered manufacturing process
• Low cost industrial motherboard

Certifications

UL, CE, Energy Star

PROCESSOR

• 5V CPUs
   – Intel® DX2/66
   – SGS-THOMSON DX2/66, DX2/80
   – Cyrix DX2
• 3.3V CPUs
   – Intel® 486DX4-75/100,
   – AMD 486DX2-66/80NV8T, 486DX4
      75/100/120NV8T, 486DX2-66/80SV8B,
      486DX4-75/100/120SV8B, 5x86-P75MHz
   – Cyrix DX4-100/120,
   – STMicroelectronics DX4-100, 5x86-100
CHIPSET
• VIA VT82C496G - system and cache controller
• VIA VT82C505 - PCI bridge
• VIA VT82C416 - peripheral chip
CACHE MEMORY
• 256KB, Standard
• stupports Level 1 and Level 2 write-back/ write-through cache
SYSTEM MEMORY
• 1MB to 128MB in three 72-pin SIMM sockets
• Supports memory parity/non-parity-check function
• 256KBx36/x32, 1MBx36/x32, 4MBx36/x32 and 16MBx36/x32 (banks 1-3)
• 512KBx36/32, 2MBx36/32, and 8MBx36/32 (banks 1 or 2)
• Supports 60ns or 70ns DRAM
ENERGY EFFICIENT DESIGN
• Supports SMM mode and CPU stopped clock
• Microsoft APM 1.1 compliant
• EPA Energy Star compliant design
• Supports flexible event driven power management scheme and easy CPU state transition: Ready, Doze and Suspend

INTEGRATED I/O
• Uses SMC super I/O controller
• Two NS16C550A-compatible enhanced serial ports
• One ECP/EPP parallel port
• Supports 360K/720K/1.2MB/1.44MB/2.88MB floppy drives
• Two fast IDE connectors:
– Primary IDE is a VL-Bus IDE to support twoMode 3/Mode 4 HDDs
– Secondary IDE is an ISA IDE to support one tape drive and one ATAPI CD-ROM
BIOS
• Award Plug and Play BIOS (Flash EPROM or EPROM)
• Supports Enhanced IDE HDDs larger than 528MB
• System and EGA/VGA BIOS shadow
PROCESSOR SOCKET
• 237-pin ZIF socket (Intel® Socket 3)
CONNECTORS
• 2 serial ports
• 1 parallel port
• 2 IDE connectors
• 1 floppy connector
• 1 mini-DIN-6 PS/2 mouse,
• 1 AT keyboard connector or optional mini-DIN-6 PS/2 keyboard connector
EXPANSION SLOTS (6-1-0)
• Six 16 bit ISA slots
• One shared 32-bit PCI/8-bit ISA slot
CIRCUIT BOARD
• Four layer, Baby AT form factor
• 9.84" (25 cm) x 8.66" (22 cm)

ITOX is a trademark of ITOX LLC. DFI is a registered trademark and G486VPC is a trademark of DFI Inc. All other product names mentioned are trademarks or registered trademarks of their respective companies. All specifications are subject to change without prior notice. (c) 1999 ITOX, LLC.

Specifications subject to change without notice.
Home Page — http://www.itox.com

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