Server Expansion - Digital Equipment Digital Server 3220 Series System Reference Manual

Introduction
Flexible Memory
Architecture
SDRAM DIMMs
Internal Sensors
Clusters

Server Expansion

Expansion Slots
Internal Storage
Devices
Hot Swap Disk
Capability
Universal Serial Bus
External I/O Ports
1-2
Server memory can be upgraded from 64 MB to a maximum
of 1 GB using 64 MB, 128 MB, or 256 MB registered SDRAM
DIMMs.
168-pin registered SDRAM DIMMs, 10 or faster, with
100 MHz bus speed.
Monitors internal server temperatures, fan operation, and
voltages for the main logic board and processor module.
Supports DIGITAL Clusters for Windows NT and Microsoft
Cluster Server (part of Microsoft Windows NT Server,
Enterprise Edition) for database and file services failover.
Five PCI expansion slots, one shared PCI/ISA slot, and one
dedicated ISA slot.
Accommodates four half-height or full-height hot swap drives,
one CD-ROM (standard), a 3½-inch diskette drive (standard),
and two half-height, 5¼-inch devices; or one full-height, 5¼-
inch device, such as a tape drive. The model 3220R
supports HDD/carrier in both half- and full-height units.
Supports up to four hot swap drives that can be replaced
while the server is operating with a RAID adapter.
Two integrated USB ports.
Two serial ports and one Extended Capabilities Port (ECP)/
Enhanced Parallel Port (EPP) to support external options,
such as a printer, modem, or local terminal.
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