Product Details
AlphaXL 233, 266, 300, 366 -
*The Digital Alpha XL system uses one of many Alpha architecture CPU
modules. A motherboard containing main memory, expansion slots, SCSI
controller and options.*
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Features *NOTE: End of Life*
Alphapc is an End Of Life single board computer, support is
not available from Compaq, but Alpha Processor Inc may be able
to help at 978-318-1100
*233-MHz CPU *266-MHz CPU *300-MHz CPU *366-MHz CPU Module*
Module* Module* Module*
Model 4 Model 5
CPU Chip 233-MHz 266-MHz 300-MHz Alpha 366-MHz Alpha 21164
DECchip DECchip 21164 with 8 KB with 8 KB of
21064A (EV45) 21064A (EV45) of instruction instruction cache, 8
with 16 KB with 16 KB cache, 8 KB of KB of data cache,
(kilobytes) (kilobytes) data cache, and and 96 KB of on-chip
of of 96 KB of on-chip three-way set
instruction instruction three-way set associative
cache and 16 and 16 KB of associative secondary cache.
KB of data data cache. secondary cache.
cache.
Core Logic DECchip 21071-AA chipset DEChip 21171 Digital
provides memory and cache core logic Semiconductor 21172
control and a bridge to chipset provides core logic chipset
the PCI bus. memory control, provides memory
data paths control, data paths
between memory between memory and
and the CPU, and the CPU, and a
a bridge to the bridge to the PCI
PCI bus. bus.
Secondary Secondary Secondary External Cache:
Cache/ Cache: Cache: 2 MB Bcache (direct-mapped,
External 512 KB 2 MB writeback, ECC protected).
Cache organized as (megabytes)
direct-mapped organized as
and direct-mapped
writeback. and
writeback.
Console 512 KB (kilobyte) of 512 KB of flashROM containing the
Firmware flashROM containing the AlphaBIOS firmware.
ARC console firmware and
PALcode.
DROM The diagnostic ROM No DROM
contains 64 KB of power-on
self test code.
NVRAM 8 KB of nonvolatile memory used for the storage of setup and
configuration information
Indicators 8-bit diagnostic LED No Indicators
display.
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