Specifications

NSTS 21000-IDD-760XD
6
1.0 SCOPE
1.1 PURPOSE
The purpose of this document is to:
a. Define and control the interfaces provided by the PGSC and
associated components for use by payloads and crew software, and
b. Define and control constraints observed by payload and crew support
users.
1.2 GENERAL
This document defines all interfaces available to the PGSC assembly and identifies
configurations for the government furnished equipment (GFE) communications and power
cables supplied with the PGSC assembly.
In this document, the term “PGSC Flight Laptop” refers to the flight ThinkPad 760XD computer
as modified: whereas, the term “ThinkPad 760XD” refers to the commercial IBM ThinkPad
760XD sold by the manufacturer.
In the text, the terms “shall,” “will,” and “must” are used when compliance is mandatory. “May”
or “should” indicate a choice exists.
1.3 CONFIGURATION CONTROL
The Space Shuttle Program Portable Onboard Computer Control Board will maintain
configuration control of this document in accordance with the Shuttle/Payload Configuration
Management Plan for the Payload and General Support Computer (PGSC), JSC 27891.
1.4 LOGISTICS
The payload integration plan (PIP) will clearly define the role of the PGSC for each specific
payload. The SSP is responsible for maintaining flight-ready PGSC systems for operation as
authorized by the PIP. Section 3 provides an overview of the various PGSC hardware items.
Standard Flight PGSC configurations are provided in Annex 1. If you have questions about
PGSC logistics, please contact one of the Portable Onboard Computer Control Board Co-
Chairmen, B. Watkins at [phone] or N. Woodbury at [phone].
1.5 CONTACTS
NASA/Johnson Space Center, mail code MV2
Avionics and Software Office
Bobby Watkins, [phone], Portable Onboard Computer Co-Chairman
NASA/Johnson Space Center, mail code EA5
Biomedical Hardware Development Office
David Stephenson, [phone]