Specifications

26 November 1997 – Subject To Change Introduction 1–5
Software Support
– A 14.318-MHz crystal and frequency generator provide a clock source for
the combination controller (FDC37C669) and the PCI-to-ISA bridge
(CY82C693U-NC). The controller’s onchip generator then provides other
clocks as needed.
– A 32-kHz crystal provides the TOY clock source.
• Flash ROM:
– Fail-safe booter
– Boot code
– BIOS: Windows NT or Alpha SRM console
• Altera EPM7064LC44-7 for DMA boundary issue.
1.2 Software Support
The support elements described in this section are either included with the
AlphaPC 164SX or are available separately.
1.2.1 AlphaBIOS Windows NT Firmware
The AlphaPC 164SX motherboard ships with AlphaBIOS firmware and online docu-
mentation that describes how to configure the firmware for Windows NT. This firmware
initializes the system and enables you to install and boot the Windows NT operating
system. The AlphaBIOS firmware resides in the flash ROM on the 21A05-A0 variation
of the AlphaPC 164SX motherboard. Binary images of the AlphaBIOS firmware are
included in the motherboard Software Developer’s Kit (SDK), along with a license
describing the terms for use and distribution.
1.2.2 Alpha SRM Console Firmware
The Alpha SRM Console firmware is required to install and boot DIGITAL UNIX
on the AlphaPC 164SX. This DIGITAL Semiconductor firmware comes factory
installed in the 21A05-A1 variation of the AlphaPC 164SX. When installed, this
firmware occupies the flash blocks reserved for the primary firmware. Binary images
of the Alpha SRM Console firmware are included in the SDK and Firmware Update
compact disk, along with a license describing the terms for use and distribution.