A Specifications - American Megatrends Atlas III PCI User Manual

A Specifications
Item
CPU
Chipset
Expansion slots
L1 internal cache
memory
L2 secondary
cache memory
Cache memory
/system memory
Type of System
Memory
System memory
Memory buffer
Max. system
memory
Fast ATA
System BIOS
BIOS shadowing
AMIBIOS
features
IDE
Floppy
Parallel port
Serial ports
Keyboard
USB
Mouse
Appendix A Specifications
Description
AMD K6 or Intel Pentium P54C or P55C 75, 90, 100,
120, 133, 150, 166, 180, 200 MHz or higher speed
CPU
Intel 82430HX, including CPU interface controller,
advanced cache controller, integrated DRAM
controller, synchronous ISA bus controller, PCI local
bus interface, and integrated power management unit.
Four ISA expansion slots
Four PCI expansion slots
The Intel Pentium has 8 KB data cache and 8 KB
instruction cache.
256 KB or 512 KB of synchronous PBSRAM, direct-
mapped, write-back.
256 KB caches up to 128 MB of system memory
512 KB caches up to 256 MB of system memory
Up to 256 MB mounted on the motherboard in two
banks of 72-pin 4 MB, 8 MB, or 16 MB SIMMs.
Fast page mode or Extended Data Out (EDO) SIMMs
operating at 70 ns.
One level posted write memory buffer
256 MB
Supports the Fast ATA specification using PIO mode 4
and multiword DMA mode 2.
This motherboard has a 128 KB AMIBIOS system
BIOS on a Flash ROM with built-in WINBIOS Setup.
The system BIOS is always copied from ROM to RAM
for faster execution. The end user can shadow 16 KB
ROM segments from C000h – DCFFFh.
IDE block mode support,
IDE 32-bit data transfer support,
IDE Programmed I/O mode 0, 1, 2, 3, and 4 support,
IDE LBA mode support,
APM (Advanced Power Management) and Flash BIOS
hooks,
EPA Green PC-compliant,
PCI and Plug and Play (PnP) support, and
DIM (Device Initialization Manager) support,
DMI (Desktop Management Interface) support,
ATAPI support,
can boot from a CD-ROM drive,
automatically detects system memory, cache memory,
and IDE drive parameters,
Intel NSP-compliant,
Fast ATA IDE mode programming,
Boot sector virus protection,
instant-on support,
automatically configures PnP and PCI devices.
Provides two 40-pin IDE connectors onboard that
support up to four IDE drives. IDE controller is on the
PCI local bus.
Onboard support for up to two 360 KB, 720 KB, 1.2
MB, 1.44 MB, or 2.88 MB floppy drives.
Onboard ECP and EPP-capable parallel port connector.
Two onboard serial port connectors. Two 16550 UART
serial ports.
Includes a standard miniDIN keyboard connectors.
Two USB connectors are provided on the motherboard.
Includes a 10-pin berg mouse connector and an
optional PS/2 mouse miniDIN connector.
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