TIME-SHARING COMPUTER SYSTEM WITH SOUND

MANAGEMENT PROPOSAL

Team 4

Manager Webmaster

Document PrepPresentation Prep

Lab CoordinatorFaculty Facilitator

David WilsonTim HaynieAndy BruinsmaBret CharboneauBilly MattinglyRama Mukkamala

Presentation Overview Background Customer Needs Design Criteria Conceptual Designs

Tanzania, Africa George &Vickie Rock

Lack of Resources

Current Setup Two schools have 6 seat setups with 1

computer System has problems registering and there

is no audio

Issues with Current Setup Keyboards are assigned to wrong Screen Mice are clicked out of order USB cables when unplugged cause

system to become confused

Customer Needs Third School to be added Sound for individual sessions Automated keyboard and mouse

Deliverables Automated Association of

Monitor Keyboard Mouse

Integrate Audio at each station

Design Criteria Low Cost User Friendly Low Power Can be Replicated Low Maintenance

Conceptual Designs - Software Linux (Ubuntu)

MDM (Multi-seat Display Manager) GDM (GNOME Display Manager) Userful (Commercial Software)

Multi-seat Display Manager Specifically designed for multiple seats Runs nested, virtual sessions Pros

Free Currently being used in Tanzania

Cons Less support Easy for users to make mistakes

GNOME Display Manager Current Ubuntu configuration Multiple user system Pros

Inexpensive Common display manager

Cons Not currently used in Tanzania Not designed for more than two seats

Userful Commercial software Designed for up to 10 seats Pros

It does everything! Solves audio problem Solves automation problem

Cons Cannot alter configuration files More expensive (roughly 35% per seat)

Conceptual Designs - Hardware Automated USB Hub Device will perform automatic

registration for Keyboard, Mouse and Sound

May require additional custom software Will not be needed with Userful solution

AUDRI - Automatic USB Device Registration Interface

Cost Analysis - Per Seat

Software USB

audio USB hub Enclosure

Total

Software USB hub with

audio

Total = $69

MDM Userful

- Free- $20- $20- $5 = $45

Cost Savings Comparing MDM and Userful

$24 saved per seat x 6 seats per school = $144

3 schools x $144 = $432

If implemented in 100 schools (600 seats) Savings of $14,400

Questions?