Skip Search Box

TEMPEST product descriptions are provided by the vendor without modification by the U.S. Government. NSA is not responsible for the accuracy or content of the product descriptions.

Last Revised: 12/13/2005

Title: TEMPEST Level I
Status: No longer produced
Category: Workstation
Manufacturer: Advanced Programs, Inc.
Model: S20Te-xx
Description: The NAI Technologies, Inc. S20Te-xx family of workstations is based on the Sun Microsystems, Inc. SPARCstation 20 family of computers. The S20Te-xx chassis is a rackmountable TEMPEST enclosure that measure 5.25" high and 24" deep and weighs 37 pounds. The front panel includes access to four peripheral bays (three removable) via a door, a power on/off switch, a Sun standard 0.25 inch 600 ohm stereo headphone jack and power and SCSI activity indicators. The processor baseboard includes two 64-bit busses, the 50 Mhz Mbus for CPU modules and the 25 Mhz Sbus for I/O boards. There are a total of two Mbus and four Sbus expansion slots. The basic unit configuration includes the Sun SPARCengine 20 baseboard, internal floppy controller with support for internal 3.5 1.44MB floppy drive, internal SCSI-2 controller with support for 3 internal and four external devices, an autoranging 250 Watt power supply, a Sun Type 5 UNIX keyboard and mouse and 15-pin AUI Ethernet, external SCSI-2, two 25-pin RS-232C serial ports, keyboard/mouse, microphone, audio input and audio output ports. All systems can be expanded to a total of 512 Mbytes of ECC system memory. Configured Options:
Part Number Basic Unit With Included Options
S20TE-61-BASEGX Basic Unit with Model 61 CPU module based on Sun Microsystems, Inc. 60 Mhz SuperSPARC processor with 1 NM of external cache and Turbo GX accelerated graphics providing 8-bit color and up to 1280 x 1024 resolution. Turbo GX card occupies one Sbus expansion slot.
S20TE-514BASEGX Basic Unit with Model 514 Quad CPU module based on Sun Microsystems 50 A4hz Super SPARC processors with 1MB of external cache and Turbo GX accelerated graphics providing 8-bit color and up to 1280 x 1024 resolution. Turbo GX card occupies one Sbus expansion slot.
Options For All Models:
Part Number Option Description
S20Te-MEM16 16 MB system memory
S20Te-MEM32 32 MB system memory
S20Te-MEM64 64 MB system memory
S20Te-PAR Parallel printer port
S20Te-SER4 Serial ports, four RS-422
S20Te-IEEE-488 Sbus IEEE-488 GPIB interface
S20Te-ATM Sbus ATM adapter, OC3, ST connector
S20Te-PS4T Peripheral subsystem, rackmount, 4-bay
S20Te-FD144 Floppy disk drive, 3.5 inch, 1.44 MB
S20Te-SC2140 Hard disk drive, 3.5 inch, 2.14 GB, removable
S20Te-SC4294 Hard disk drive, 3.5 inch, 4.294 GB, removable
S20Te-TP0150 Tape drive, cartridge, 150/250 MB (Requires PS4T subsystem enclosure)
S20Te-TP3500 8mm tape drive, 3.5 GB uncompressed (Requires S20Te-PS4T subsystem enclosure)
S20Te-TP7000 8mm tape drive, 7.0 GB uncompressed (Requires S20Te-PS4Tsubsystem enclosure)
S20Te-CDROM CD-ROM drive (Requires S20Te-PS4T subsystem enclosure)
S20Te-TMON20 Tabletop 20" color monitor, Energy Star compliant, up to 1280 x 1024 resolution, 0.30mm dot pitch
S20Te-RMON20 Rackmount version of S20Te-TMON20
S20Te-RMON20KIT Rackmount kit for S20Te-TMON20
S20Te-TMON20KIT Tabletop kit for S20Te-RMON20
S20Te-KBDT5UNIX Keyboard, Sun Type 5 UNIX, with mouse
S20Te-RACKKBD Rackmount kit for keyboard and mouse


Date Posted: Jan 15, 2009 | Last Modified: Jun 11, 2009 | Last Reviewed: Jun 11, 2009