key applications servers with large arrays of high performance hard disks ideal for cluster configurations for availability and scalability supporting mixed single-ended and lvd scsi devices system applications improved cable lengths and connectivity over ultra scsi based systems LSI22910 scsi host adapter the LSI22910 is a 64-bit pci-to-ultra2 dual channel ultra scsi solution. overview breakthrough technology again sets new scsi i/o standards with the LSI22910 pci-to-ultra2 scsi dual channel host adapter. using the lsi53c896 single-chip, pci-to-ultra2 scsi dual controller, the LSI22910 host adapter offers superior performance, cost savings, enhanced scalability and connec- tivity advantages. matching the maximal performance of the 64-bit pci bus to two independent ultra2 scsi channels, the LSI22910 host adapter provides up to 160 mbps aggregate scsi throughput. through lsi logic s lvdlink (low voltage differential) technology, the LSI22910 provides unmatched performance, device connectivity and signal reliability for ultra/ultra2 lvd operation. the LSI22910 provides a truly universal board able to support single-ended fast/ultra devices, or lvd ultra/ultra2 devices. the dual channels offer increased connectivity without utilizing an additional pci slot or pci load. designing systems with the LSI22910 is easy because one or both channels can be dedicated to lvd devices. as an alternative, one channel can be used to support mixed performance single-ended devices. this board provides a powerful dual channel, scalable, multitasking interface for scsi disk drives, jbod and raid system interconnect, and other single-ended or lvd scsi devices. the LSI22910 is a zero wait-state dma bus master in legacy 32-bit or 64-bit pci bus systems. the 64-bit host adapter also operates in existing 32-bit systems, providing greater flexibility with valuable system resources. while operating in a 32-bit pci slot, the LSI22910 supports pci 32-bit dual address cycles. the LSI22910 includes an on-board configuration utility, allowing the viewing and changing of default configuration settings for the host adapter and scsi devices. it also provides advanced ease-of-use features such as automatic termination (depending on cable configuration) and on-board leds for termination power monitoring. the advanced features of the LSI22910 64-bit pci to ultra2 dual channel host adapter make it the right choice for servers of all sizes. bus interface: 3/5v pci pci mode: bus master plug-and-play: yes scsi rate: 80 mbps synchronous 14 mbps asynchronous scsi bus: (2) 16-bit se and lvd bootable: yes no. of scsi devices: 15 - ultra or ultra2 per channel 30 - ultra or ultra2 aggregate scsi connectors: internal: (2) 68-pin hd univ. edge connector external: (2) 68-pin hd
scsi device management software (sdms) sdms software features multiple host adapter support scatter/gather tagged command queuing for peak performance in multi-tasking environments power management for dsspm support shared interrupts and shared memory to allow multiple pci devices in a single-interrupt system autoscan for ease of scsi configuration multiple luns per scsi id for raid and media changer capability supports hard drives > 8 gbytes aspi interface support multi-initiator in most operating systems disconnect/reselect support target initiated negotiation on-board, field upgradeable bios in flash rom on-board serial eeprom for scsi bus configuration storage benefits complete host adapter solution for quicker time-to-market true multi-function, single-chip device provides better performance than pci-to-pci bridge solutions improved reliability with single- chip solution complete software support with bios and drivers ultra2 scsi provides increased connectivity (cable length and number of scsi devices supported) over ultra scsi automatic termination determined by cabling environment provides increased ease of use for the oem and the end user features lsibios lvdlink universal lvd technology termination power supplied through self-resetting current limiting device. any drive in a disk array can be used as the boot device on-board bios supports greater than 8-gb disk drives 2 LSI22910 scsi host adapter setting default global/device scam support on global parity checking enabled global host adapter 7 global scsi id scan order low to high global (0 - max) synchronous 40 mb (ultra2) device transfer rate 20 mb (ultra) data width 16 device disconnect on device i/o time-out (secs) 10 device scan for device yes device at boot scan for scsi luns yes device queue tags enabled device table 1. sdms software support
pci features direct (bus master) memory access for low overhead with 64-bit (or 32-bit) burst data transfers at 266 mbps (133 mbps for 32-bit) pci data transfer rates 33-mhz bus master with zero wait-state pci transfers up to 64-byte pci burst rate to maximize the data transfer rate functions as one 64-bit or 32-bit pci dma bus master two independent dma channels with internal programmable arbitration 33-mhz pci bus with zero wait-state operation maximum burst transfer rate of 266 mbps supports pci write and invalidate, read line, and read multiple commands operates in 32-bit and 64-bit pci bus systems supports dual address cycles (dac) when in 32-bit systems 3 sdms software support operating systems supported are: dos (with aspi support), windows 3.1, windows for workgroups 3.11, windows 95, windows nt 3.51 & 4.0, novell netware 3.2 & 4.1x, sco unix open server 5.0, unixware, and os/2 (including warp). utilities: install, flash utility (dos only), scsi format, scsi configuration, verify. the resident, menu-driven x86 bios configuration utility allows the user to view and change the default settings for the host adapter and attached scsi devices. table 2. below, lists the modifiable configuration settings. the global settings affect the host adapter and all scsi devices connected to it. the user may change the host adapter scan order if more than one lsibios scsi host adapter is in the system. wide scsi performance se lvd max devices fast 6 16 ultra scsi 1.5 8 3 4 25 2 12 16 ultra2 scsi (1) 25 2 (1) 12 16 (1) single-ended configuration are not defined at ultra2 speeds. table 2. comparative specifications
4 LSI22910 scsi host adapter scsi termination automatic and manual termination. the LSI22910 pci-ultra2 scsi host adapter automatically determines if cables are attached to any channel s scsi connectors and then properly enables/disables that channel s scsi terminators. table 3. below, illustrates the available settings. termination power. each scsi channel has two leds to indicate the terminator s power (termpwr) status. the termpwr good (channel a or b) led indicates when the termination power is above 3.0 volts. the termpwr shorted led indicates when the termination power was subjected to an over current condition causing the self-resetting current limiting device (circuit breaker) to trip. interrupts the host adapter provides separate interrupts for each channel (channel a routed to inta# pin and channel b routed to intb# pin). scsi features ultra and ultra2 scsi (lvd only) fast and ultra scsi (single-ended only) 16-bit, auto-selecting, single- ended or lvd scsi design based on lsi53c895 pci-ultra2 scsi dual controller ic for maximum performance local memory bus for bios storage 128k flash eprom allows easy field upgradability of bios uses ultra2 scsi standard external vhdci or 8 mm) scsi connector per channel uses lsi logic s scsi tolerant active negation scsi driver and receiver technology provide highest signal integrity in noisy cabling environments available scam (scsi configured automatically) level 1 functionality for scsi plug-and-play support internal external jumper channel cable attached cable attached term ter mination no no on enabled yes no on enabled no yes on enabled yes yes on disabled either either off disabled table 3. scsi terminating settings
6 subsystem id the on-board lsi53c896 controller provides pci configuration registers for subsystem id and subsystem vendor id. as provided by lsi logic, these indicate lsibios subsystem id and subsystem vendor id numbers. however, it is possible to allow the development of custom software and while using a standard board configuration. host adapter compatibility and quality lsi logic is a key developer and contributor to the original committees that defined today s scsi and pci standards. our continuing work with other industry leaders of core chip sets, processors, system providers, scsi device peripherals, bios, and operating systems enables us to provide users with the utmost compatibility and interoperability. product compatibility and inter- operability are rigorously tested and our iso-9001 certified fabrication facilities assures users of the highest levels of product quality and reliability. lsi21002 kit contents lsi21002 pci-to-ultra2 scsi dual channel host adapter on-board sdms bios with built-in, easy-to-use scsi configuration utility scsi device management system (sdms) software with a full range of operating system support scsi configuration utilities lsi21002 users guide sdms users guide
for more information please visit the lsi logic web site at: http://storageio.lsilogic.com lsi logic corporation north american headquarters milpitas, ca tel: 866 574 5741 host adapter group southborough, ma tel: 888 429 0425 fax: 508 485 0303 lsi logic europe ltd. european headquarters united kingdom tel: 44 1344 426544 fax: 44 1344 481039 lsi logic kk headquarters tokyo, japan tel: 81 3 5463 7165 fax 81 3 5463 7820 iso 9000 certified the lsi logic logo design, lvdlink, sdms, and tolerant are trademarks or registered trade- marks of lsi logic corporation. all other brand and product names may be trademarks of their respective companies. lsi logic corporation reserves the right to make changes to any products and services herein at any time without notice. lsi logic does not assume any responsibility or liability arising out of the application or use of any product or service described her ein, except as expressly agreed to in writing by lsi logic; nor does the purchase, lease, or use of a product or service from lsi logic convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual property rights of lsi logic or of third parties. copyright ?2001 by lsi logic corporation. all rights reserved. order no. s20072 10/01-1m printed in usa 6 LSI22910 scsi host adapter technical specifications pci bus 64-bit or 32-bit, 3.3/5 v local bus (version 2.1) pcl modes bus master dma pci transfer rate up to 266 mbps per channel at 64-bit up to 133 mbps per channel at 32-bit scsi asynchronous up to 14 mbps per channel up to 28 mbps aggregate scsi synchronous se fast: up to 20 mbps per channel ultra: up to 40 mbps per channel up to 80 mbps aggregate scsi synchronous lvd ultra: up to 40 mbps per channel up to 80 mbps aggregate ultra2: up to 80 mbps per channel up to 160 mbps aggregate pci voltage +5v 5% (3.0 a max), 12v 5% (50 ma max) pci form factor 7.5 x 4.2 bracket isa/eisa certification level pci 2.1 compliant scsi bus (2) 16-bit wide, se or lvd scsi processor lsi53c876 connectors external internal per channel (2) 68-pin vhdci (2) 68-pin, right angle, hd latching universal, 64-bit pci edge connector termination automatic or manual termination power self-resetting led indicators 4-pin header for off-board leds environments operating storage temperature 5 c to 55 c -40 c to +85 c relative humidity 5 to 90% non-condensing 5 to 90% non-condensing max dew point temp 32 c mtbp >400,000 hours compliances ce, vcci, fcc and cispr class b, ul 94vo software support os support versions dos with aspi support windows 3.1, workgroups 3.11, 95, nt 3.52 & 4.0 netware 3.12 & 4.x unixware 2.12 and 7.x sco unix open server 5.0 os/2 including warp utilities install, flash (dos only), scsi format, scsi configuration, verify
|
