Features at a Glance
Features at a Glance
The following table summarizes the features of the PC Server 520.
Microprocessor
Intel Pentium microprocessor with
16 KB of internal cache
A processor upgrade, which adds
another Pentium microprocessor, is
available for symmetric
multiprocessing
Cache Memory
512 KB of level-2 cache
Memory
Error Correction Code on SIMM
(EOS), 70 ns
Standard: 32 MB minimum,
expandable to 256 MB
Eight 72-pin, single inline
memory-module (SIMM) sockets
Diskette Drives
Standard: One 3.5-inch, 1.44 MB
Optional (internal):
– 3.5-inch, 2.88 MB
– 3.5-inch, 1.44 MB
– 5.25-inch, 1.2 MB
Hard Disk Drives
Number and capacity of standard
drives varies by model
Supports up to 20 internal hard disk
drives, 18 of them hot-swappable
CD-ROM Drive
Standard: SCSI-2
Keyboard and Mouse
101-key keyboard
Mouse
Expansion Bays and Slots
Six 32-bit Micro Channel slots,
two 32-bit PCI slots
22 drive bays, 18 of them
hot-swappable
Video
Super video graphics array
(SVGA) connector
Compatibility:
– Video graphics array (VGA)
– Color graphics adapter (CGA)
– Multicolor graphics array
(MCGA)
Security Features
Bolt-down capability
Door lock
Administrator and power-on
passwords
Selectable drive startup
Security cover (optional)
LogicLock with active security
Integrated Functions
LED usability support
Video connector
Two serial connectors
Parallel connector
Auxiliary device connector
Keyboard connector
Battery-backed clock and calendar
SCSI-2
– 1 16-bit external connector
– 2 internal connectors (one
8-bit and one 16-bit)
IBM PC ServeRAID Adapter
(disk-array models)
Three 16-bit internal connectors
One 16-bit external connector
Support for RAID levels 0, 1, and 5
Power Supply
434 watt with automatic range
voltage selection (115–230 V ac)
Built-in overload and surge
protection
Power supply upgrade expansion
option
– 220 watt automatic range
voltage selection add-on
– Built-in overload and surge
protection
IBM PC Server 780W Redundant
Power Option
– 780 watt with automatic range
voltage selection (115–230 V ac)
– Built-in overload and surge
protection
Upgradable POST and BIOS
Upgradable electrically erasable
programmable read-only memory
(EEPROM) on the system board
POST/BIOS upgrades (when
available)
Chapter 1. Introducing PC Server 520 Features
3
Summary of Contents for PC Server 520
Page 1: ...PC Server 520 User s Handbook for PCI Micro Channel IBM...
Page 86: ...Installation Checklist 70 PC Server 520 User s Handbook for PCI Micro Channel...
Page 146: ...Using the Mini Configuration Program 130 PC Server 520 User s Handbook for PCI Micro Channel...
Page 190: ...Using the SCSISelect Utility Program 174 PC Server 520 User s Handbook for PCI Micro Channel...
Page 385: ...Installing Additional Test Programs 207 CMD 3 Chapter 7 Solving Problems 369...
Page 438: ...IBM Part Number 78H6336 Printed in U S A May 1996 78H6336...