MODEL L486, LS486 SINGLE-BOARD COMPUTERS FOR ISA PASSIVE BACKPLANE SYSTEMS DOC# 1875 Socketed 80486DX2 Optional SCSI IDE Hard Floppy Serial Port #2 Processor Controller Drive Controller Drive Controller (configurable as RS232C, RS422 or RS485) Serial Port #1 Parallel Port AT Keyboard TM Socketed SIMM AT Bus Interface (accepts 1MB x 36, Flat Pack (S)VGA Daughter and 4MB x 36) 80486SX Card Socket 128KB Processor Flash EPROM FULL SIZE 80486 EMBEDDED SBC � Auxiliary boot ROM for instances of Flash programming error Texas Micro's Models L486 and LS486 are single-board or failure IBM AT® compatible computers designed and built for reliable, low cost operation in industrial, medical and embedded control applications. � Hardware programmable (via jumpers) Watchdog Timer; Highly integrated, the single-slot design of the L(S)486, either 66MHz three time-out periods: 150 ms, 600 ms, or 1.2 sec 486DX2™ or 33MHz 486SX™, features multifunction I/O control � Texas Micro extended Phoenix™ BIOS with SETUP program including flex/floppy diskette and IDE hard disk control, one RS-232 stored in BIOS ROM serial port, one RS-232/422/485 configurable serial port, a bi-directional parallel port, and up to 32MB of DRAM. It is socketed to support an � IDE and SCSI (Adaptec 6360) hard drive interfaces optional field upgradeable extended VGA (SVGA) video graphics (BIOS support for large capacity IDE) daughter card. The LS486 includes an integrated 8-bit “fast” SCSI � 3.5" and 5.25" floppy disk controller (360K, 720K, 1.2MB and controller as well as IDE. 1.44MB) To enable future performance upgrades, the L(S) 486/33 provides TM � One RS-232 serial port and one RS-232/422/485 configurable a PGA socket supporting available Intel 486DX33 or DX2 CPUs, serial port standard or “OverDrive.” With 1Mb of Flash memory, speaker and keyboard ports, and � One software configurable parallel port (uni-directional and 8KB internal cache, the Models L486/LS486 make excellent economic bi-directional) sense in CPU price/performance/function as an embedded CPU in a � Optional extended VGA video controller with support for wide variety of card cage or full chassis applications. 800 x 600 resolution and 16 of 256 colors; 256KB non-upgradeable video memory KEY FEATURES � 66MHz 486DX2 processor or 33MHz 486SX processor � Video is register and BIOS-level compatible with the IBM VGA™ adapter, and maintains downward register-level � Up to 32MB of on-board DRAM compatibility with existing EGA/CGA/MDA graphics standards � Internal 8KB cache � Meets FCC Class A and CISPR 22 Class B specifications � Asynchronous bus clock of 8, 10, 12MHz � Two year limited warranty � 128KB of Flash memory for BIOS and user application field upgrades Texas Microsystems, an ISO 9001 certified manufacturer, has been designing and manufacturing industrial computers and components since 1975. A founding member of PICMG, they developed the industry’s first PC compatible computers using passive backplanes. The company offers a full line of rugged rackmount, benchtop, and mobile computer systems, CPU cards and add-on peripherals; and SPARC telecommuications/internetworking servers. Texas Microsystems' products are manufactured in the USA specifically for industrial automation, computer telephony integration, and other mission critical, high reliability applications. MODEL L(S)486 CPU FAMILY OF SINGLE-BOARD AT COMPATIBLE COMPUTERS SPECIFICATIONS � BIOS Features: Built-in extended set-up � CPU: 66MHz 80486DX2 socketed Programmable bus and I/O speeds 33MHz 80486SX flat pack Programmable CPU and memory wait states � Co-processor: Not supported AT compatible Phoenix™ BIOS with � Upgrade PGA socket: Supports 33MHz 80486DX extensions for diskless, keyboardless and and 33/66MHz 80486DX2 processors videoless operation System and video BIOS shadowing � Form Factor: 13.25" (33.66 cm) x 4.75" (12.45 cm) � Clock/Calendar: Real-time clock backed by an on-board � Memory Architecture: lithium battery From 4MB to 32MB on board 2 banks of 1 SIMM socket each using any mix of 1M � External Connection: or 4M x 36-bit SIMM DRAM IDE and flex/floppy (shrouded headers) Near zero wait states using 70ns SIMMs @ 33MHz SCSI (shrouded header) Fast page mode DRAM Serial port 1 (DB9 on slot bracket) Supports LIM EMS 4.0 memory drivers Configurable Serial port 2 (header) Bi-directional parallel port (DB25 on slot bracket) � Bus Interface: AT bus (98 pin) fully buffered AT keyboard (locking header) 20 bus slot drive Speaker (locking header) � Addressing: Real and protected mode supported Reset (locking header) Real address mode - 20-bit Optional keyboard (header) Protected address mode - 16-bit on bus � Optional VGA daughter card with support for 800 x 600 access resolution (selected drivers available). � Data Path: 32-bit internal; 16-bit on bus access � Operating systems compatibility: � Interrupts: 15 level available TM TM TM LS486 & L486: PC and MS-DOS , OS/2 , Windows � DMA Channels: Four 8-bit, three 16-bit TM TM and Windows NT , SCO XENIX , � Cache: 8KB internal TM TM TM TM UNIX , QNX , PICK ; Novell Netware and other NOS environments � Flash Memory: 1Mb (128KB) TM TM L486 Only: iRMX for PCs, iRMX for Windows � Power Requirements: Input power 16.5W +5V 1.6 - 2.8A +12V 0.1A -12V 0.1A OPERATING NON-OPERATING ENVIRONMENTAL 0° to 60°C (32° to 140°F) -40° to 70°C (-40° to 158°F) Temperature 0% to 95%, non-condensing 0% to 95%, non-condensing Humidity ORDERING GUIDE MODEL NUMBER 66MHz 486DX2 Single-board computer with 8KB cache L486DX2/66 66MHz 486DX2 Single-board computer with 8KB cache and SCSI controller LS486DX2/66 33MHz 486SX Single-board computer with 8KB cache L486/33 33MHz 486SX Single-board computer with 8KB cache and SCSI controller LS486/33 1MBx36x70ns DRAM SIMM TMM-10036/70 4MBx36x70ns DRAM SIMM TMM-40036/70 VGA daughter card for L486/33 & LS486/33 CPUs L386VGA 12-inch serial cable for configurable port for CPU SCF1 6-inch video cable for video card (15 pin in D sub 9 pkg. on slot bracket) VCF1 12-inch video cable for video card (15 pin in D sub 9 pkg. on slot bracket) VCF2 Dual, 12-inch combo serial video cable (DB 9 and 15 pin in D sub 9 pkg. on slot bracket) SVCF1 All trademarks referenced are the service mark, trademark or registered trademark 1996 Texas Microsystems, Inc. of the respective manufacturer. Specifications subject to change without notice. 06/01/96 © Printed in the USA. Rev. 1.01