Compaq DIGITAL Server Cluster Kits for Windows NT Configuration Manual page 40

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RA7000 Options
You can order the following options for the RA7000:
Part Number Description
DS-HSZ70-AH Redundant HSZ70 Controller for dual controllers in DS-SWXRA-HC
Includes: 64MB cache
Requires: DS-HS35X-BC Battery and HSZ70 Solution Software
DS-HS35X-BC Single external cache battery
Includes: one battery in a single SBB
DS-HSSIM-AB 64MB Controller Cache Memory
Adds up to 64MB to each controller
Requires: redundant controllers require equal amounts of cache
DS-SWXRA-HB Pedestal Disk Expansion Cabinet
Includes: 24 additional disk slots, 5 power supplies, redundant cooling, EMU &
PVA, power cable
Requires: one DS-BNK37-1E expansion cable kit
DS-BA370-AA Rackmount Disk Expansion Cabinet
Includes: 24 additional disk slots, 5 power supplies, redundant cooling, EMU &
PVA, power cable
Requires: one DS-BNK37-1E expansion cable kit
DS-BNK37-1E Expansion Cable kit
Order one with each expansion cabinet
DS-BA35X-HH 180 Watt Power supplies
Requires: Requires one DS-BA35X-HE power control unit for added power
For fully redundant power, order three additional power supplies
DS-BA35X-HE Power control unit
Requires: one additional when you have more then 5 180Watt power supplies.
DS-HS35X-BD Dual replacement external cache battery
DS-BA35X-MK Dual speed fan kit
DS-BA35X-EB Environmental Monitor Unit (EMU)
DS-BA35X-EC Power Verification and Addressing (PVA)
DIGITAL Server Cluster Kits for Windows NT Configuration Guide