Lr Symbios SYM22801 Data Sheet Symbios SYM22801 PCI-Dual Channel Multi-function Single-ended Ultra SCSI Solution The SYM22801 host adapter is a multi-function board providing two independent single-ended Ultra SCSI channels. Both SCSI channels are identical, offering increased connectivity without utilizing additional PCI slots. A single board provides a powerful dual channel, multitasking interface for Ultra Benefits SCSI peripherals such as disk, tape, l Increased peripheral connectivity - up to CD-ROM, and other SCSI devices. 30 devices l Complete host adapter solution for quick The SYM22801 leverages the SYM53C876 time-to-market PCI dual channel SCSI multi-function controller l True multi-function device provides better capable of connecting directly to the PCI bus, performance than PCI-to-PCI bridge solutions presenting one electrical load, while functioning as a l Up to 80 MBps combined synchronous single 32-bit PCI DMA bus master. transfer rate for two 16-bit Ultra SCSI channels The SYM22801 includes an on-board configuration l Improved reliability with a single chip solution utility allowing viewing and changing of default l Automatic termination determined by configuration settings for the host adapter and cabling environment (ease of use for OEMs connected SCSI peripherals. and end users) l Complete software support with BIOS The device also provides advanced features for ease of and drivers use by modifying the on-board terminators l Termination power supplied through self- depending on cable configuration and LEDs to help resetting current limiting device with termination power (TERMPWR) monitoring. l Allows custom driver development with TM Symbios SCSI SCRIPTS The SYM22801 has advanced features which makes it l Connectors for off-board SCSI active LEDs the right choice for applications requiring up to 30 l Any drive in a disk array can be used as the connected peripherals, or for isolating peripheral boot device classes (e.g. CD-ROMs and tape drives on one l On-board BIOS supports disk drives with channel and high performance disk drives on the greater than 8-Gbyte capacity other). PCI Features l Shared interrupts and shared memory allow multiple l True multi-function device (per PCI 2.1 Specification) PCI devices in a single-interrupt system – uses only one PCI slot l Software support for CD-ROM, tape backup, hard l Functions as one 32-bit PCI DMA bus master disk, and removable media support l Two independent DMA channels with internal l Utilities: programmable arbitration l Install utility l 33 MHz PCI bus zero wait state operation l Flash utility l Maximum burst transfer rate of 132 MBps l Configuration utility l Supports PCI Write and Invalidate, Read Line, and l Multiple host adapter support Read Multiple commands l Multiple LUNs per SCSI ID for RAID and media l Universal 3.3V and 5V PCI changer capability SCSI Features Technical Description l 16-bit Ultra SCSI design based on the popular The SYM22801 uses the SYM53C876 PCI dual channel SYM53C875 for maximum performance SCSI multi-function controller. This single-chip multi- l Local memory bus for FLASH memory BIOS storage function device connects directly to the PCI bus. l Symbios SCSI TolerANT™ active negation SCSI driver Termination Control and receiver technology For each channel the adapter will automatically l SCAM (SCSI Configured AutoMatically) Level 1 determine when cables are attached to which connector functionality for SCSI plug and play support and properly enable or disable the SCSI terminators. l External VHDCI SCSI connector per channel The table below shows which cable combinations are allowed. Software Features l Support for DOS, Windows 95, Novell NetWare, Four jumpers included to manually force the different Windows NT, UnixWare, and SCO Open Server, cable configurations. OS/2, ASPI l Software drivers and SCRIPTS compatible with Termination Power SYM53C825A and SYM53C875 One LED per channel is included to indicate the status l Tagged command queuing for peak performance in of termination power (TERMPWR). multitasking environments Cable Combinations – 8-bit Internal 16-bit Internal 8-bit External 16-bit External legal cable combinations allowed by the SYM22801 utilizing the two internal and two external SCSI connectors. 2 Configuration Utility Setting Default Global/Device The resident menu-driven BIOS configuration utility allows the viewing and changing of the default settings for SCAM Support On Global the host adapter and SCSI devices. The following table lists the configuration settings which can be changed. The Parity Checking Enabled Global global settings affect the host adapter and all SCSI devices Host Adapter 7 Global connected to it. SCSI ID Low to high Scan Order Global The host adapter boot order can be changed if more (0-Max) than one SCSI host adapter solution is implemented. Synchronous 40 MB Device Transfer Rate (Ultra) Interrupts Data Width 16 Device The host adapter includes a jumper to select separate interrupts (channel A routed to INTA# pin and channel Disconnect On Device B routed to INTB# pin) or shared interrupts (channel A I/O Time-out (secs) 10 Device and channel B routed to INTA#/ pin). Scan for device Yes Device at boot Subsystem ID Subsystem ID and Subsystem Vendor ID support enables Scan for SCSI Luns Yes Device users to develop custom software while still using a Queue Tags Enabled Device standard board configuration. Configuration Settings – configuration settings which can be changed on the SYM22801. Hardware Specifications Host Bus External connector per Form Factor Environmental channel PCI 2.1 Compliant Approx. 7.5” x 4.2” board size, 5° to 55° C (operating) PCI 2.1 Universal Board PCI 68-pin, VHDCI high density On-board, field upgradable, 5% to 90% relative connector shielded, with screw jacks 64K bytes Flash ROM for humidity(non-condensing) BIOS Bracket Processor MTBF On-board serial NVRAM for ISA/EISA style High performance SCSI RISC > 500,000 hours enhanced SCSI Plug and Play core Electrical Agency certification (SCAM) support Termination 5V +/- 5% (3.0 A max) FCC Class B Internal connectors per Automatic, Active 12V +/- 5% (50 mA max) CISPR B channel Termination power PCI max power VCCI Class 2 68-pin, right angle, high dissipation Self-resetting CE Mark density latching SCSI bus 15 Watts UL 94V0 rated 50-pin, vertical, low-density PRSNT1# - open SCSI bus PRSNT2# - ground 4-pin, for off-board SCSI Active LED 68-pin High Density 68-pin High Density SCSI Connector SCSI Connector Board Layout – graphical representation of the 50-pin Ribbon 50-pin Ribbon SYM22801 PCI-Dual Channel SCSI Connector SCSI Connector Multi-function Single-ended Ultra SCSI Host Adapter. NVRAM Flash 3 68-pin 68-pin VHDCI VHDCI LSI Logic Sales Locations North American International Sales Locations Sales Locations Western Sales Area European Sales Headquarters 1551 McCarthy Blvd. Westendstrasse 193/II Milpitas, CA 95035 80686 Munich (408) 443-8000 Germany 011-49-89-547470-0 2 Park Plaza, Suite 1000 Irvine, CA 92614 Asia/Pacific Sales Headquarters (949) 553-5600 1 Claymore Drive #08-10 Orchard Towers, (Rear Block) Eastern Sales Area Singapore 229594 230 Third Ave 011-65-8355 040 Waltham, MA 02451 (781) 890-0180 Japan Kijimon Building 4F 8300 Norman Center Drive, Suite 730 6-26-9 Haramachida, Machida Bloomington, MN 55437 Tokyo 194 Japan (612) 921-8300 +81-427-32-0250 12377 Merit Drive, Suite 400 Taiwan Dallas, TX 75251 10F.156, Min Sheng East Road, Sec 3 (972) 503-3205 Taipei, Taiwan, R.O.C. +886-2-2718-7828 30 Mansell Court, Suite 220 Roswell, GA 30076 (770) 641-8001 LSI Logic logo design, ATMized, ATMizer, BitBuster, CASCADE, CoreWare and CoreWare logo design, FlexCore, G10 and G10 logo design, HYDRA, It Takes Two To Make One Of A Kind, LSI Links, MiniRISC, MiniSIM, SeriaLink, The System on a Chip Company and VISC are registered trademarks, and Cablestream, Cafe, C-MDE, Compacted Array, Cream, DCAM, DiscRISC, DiskRISK, Espresso, First-Time-Right, FlexStream and FlexStream logo design, G11 and G11 logo design, G12 and G12 logo design, GigaBlaze, Grounds, Hyper-LVDS, HyperPHY, Integra, Internet on a Chip, Logically Speaking, Merlin, Mint, Mint Technology, Mint logo design, Mocha, Netcore, Planet LSI, PowerPlay, Right-First-Time, Scenario, SerialICE, Sugar, Symbios, Taking Cameras Digital, TinyRISC, TinySIM, WINS, TolerANT, LVDlink, and SCRIPTS are trademarks of LSI Logic Corporation. 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