Bob Forward
Professor, Computer Technology
Mgr, Mainframe Operations

(903) 832-5565 ext. 3344

email: bforward@texarkanacollege.edu

 
 


Chuck Phillips
Chief Computer Operator

(903) 832-5565 ext. 3336

email: cphillip@texarkanacollege.edu

 
 
Texarkana College Mainframe System
 

IBM FLEXES zServer x235 System Specifications
Hardware: System: IBM x235 Netfinity zServer
CPU: 2 Intel Zeon 1.8GHz/400MHz, 512KB
Mem: 1GB PC2100 CL2.5 ECC DDR SDRAM RDIMM
Disk: 6 36GB 10Krpm Ultra 160 SCSI Hot-Swap SL HDD
ServeRAID-4MX Ultra 160 SCSI Controller
Tape: 20/40GB DDS/4-4mm SCSI internal tape unit
40/80GB DLT external tape units
3490-D32 Cartridge Tape Unit
Printers: 6262-014, 6400 i10 and various networked laser printers
Communications: Internal 10/100 Ethernet for LAN connections
3174-01L control units for local coax-attached 3270 CRT terminals
Operating Systems: zServer: Unix 8
Mainframe Emulation: FSI Flexes ESL
Mainframe OS: zVM ver 3.10
VM Guests: VSE/ESA ver 2.7, VSE/SP ver 3.2.0
Software: VSE/SP ver 3.2.0 (originally installed in 1989 -- dropped from general use Oct 2006)...
VSE/SP TP: In-house developed, multitasking, Transaction Processing System.
( We do not use CICS)
VSE/SP Spooler: In-house developed, multitasking spooler
(We do not use  POWER on VSE/SP)
Languages: Assembly, FCOBOL

VSE/ESA 2.7 (installed 04/2003 -- our primary mainframe operating system as of Oct 2006)...
VSE/ESA TP: Same in-house developed TP system as VSE/SP
VSE/ESA Spooler: Power 6.7
Other VSE/ESA systems software: TCPIP for VSE by CSI ver 1.5E
Languages: LE/VSE: HLLASM, COBOL, REXX, and C
Administrative Application Development...
All applications are developed in-house usually with COBOL or Assembly
Most file access is via an in-house developed system
(VSAM is only used for IBM Libraries and system software)
This page last updated 03/2007