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@0708.ADF
- BusLogic BT-640 / SDC3211B
BT-640 and SDC3211B 32 Bit SCSI-1 
RP1, RP2 and RP3 are 8-pin 220/330 ohm SIP resistor packs (221/331G or equivalent) Update PROM for the 640 NOTE - To use the ROM files to update your BusLogic SCSI host adapter you must have a EPROM burner. BusLogic will in no way provide any support on how to get your EPROM burner to work or anything else in the EPROM burning process. 640a-335.zip ROM Binaries for BT-640A: 3.35-4.70 BT-640A SCSI Adapter for MicroChannel Systems
Primary Controller in Non-IML System Enable the BIOS. Set your boot drive to ID0 or the BT-64x will not be able to boot from it. Also, you should set the boot drive to "autostart" so it spins up as soon as the system is turned on. I had a 0662 set to ID0, but the BT-646 complained about Target 0, Lun 0 not being detected, but then showed the 0662 at ID0, then the CD at 6,0. After jumpering the 0662 to autostart, everything was fine. LED Operation When power is first applied to the BT-640A, an on-board diagnostic routine is run to verify that the major functional components of the board are operating correctly. The bus master chip, the SCSI controller chip, the firmware PROM, the local RAM and internal data buses are tested. Results of the tests are indicated by an LED on the board. The LED will first turn on when power is applied. If the diagnostics find no malfunctions, the LED will then go off. In normal operation, the LED will be illuminated when command or SCSI bus activity occurs on the board. If an error is detected by the diagnostics, the LED will repeatedly flash a specific number of times, with a long pause between flashes, to indicate the board function which failed. This will continue until the board is powered down or reset. Failure interpretation from the number of flashes is as follows:
“This error is applicable to the BT-646 when single-ended SCSI drivers
are connected to the differential SCSI bus.
Disk Drive Power Connector A 4-pin disk drive power connector (J4) is located at the top edge of the BT-64x board next to the SCSI connector Jl. This connector provides +12V and +5V power. Note: The BT-64x brings the 12 volt power supply to the 4-pin power connector (14) via three gold fingers on the edge connector. The power rating of the Micro Channel edge connector on the12 volt is one ampere per finger. Consequently, fhe maximum power allowed from the 12 volts (Pin 1 of J4) is three amperes. Because certain large SCSI drives may require more than three amperes when their motors are spinning up, BusLogic recommends that this connector not be connected to these large SCSI drives. Based on the power rating of the SCSI drives, if is recommended that this power connector not be daisy chained to multiple drives. Term Power Fuse SDCxx11x and BT-64x use a Microlite Little Fuse that is 125v and 1/2 amps (Littel 27301.5 125V 1.5A or equivalent micro fuse). It is difficult to see that the fuse is blown so you will need to use a VOM to test for continuity. The fuse can blow if termination power settings are not correct on the SCSI devices or if you disconnect the SCSI cables while the card or SCSI devices have power. (Ed. Sure ain't kidding!) Multitasking Operation For operating systems such as UNIX, NetWare, and OS/2, the mailbox protocol of the BT-64x provides true multitasking operation. Through the use of a mailbox structure, the BT-64x can support up to 255 tasks with minimum host processor intervention. Onboard firmware controls all of the SCSI activity that a task requires, including the Arbitration, Selection, Disconnection, Reconnection, and command completion status. This same mailbox protocol supports both initiator and target mode operation permitting high speed host-to-host communication and scatter-gather data transfers. BusLogic Drivers MULTIMASTER: Drivers / Configuration Files for MultiMaster SCSI Host Bus Adapters adf-150.exe Config file for BT-640/646 v1.50 (3-8-93) dosaspi.exe DOS/Win SCSI ASPI Drivers v4.31C (7-12-96) mmodt.exe SCO Unix ODT / OpenServer 2.x/3.x v4.01 (8-26-97) mmunix.exe SCO Unix OpenServer 5.0.x v4.01 (7-21-97) & Unixware 2.x v3.02 (7-24-97) nextstep.exe NeXTStep 486 v3.2 SCSI Driver (10-3-94) ntaspi.exe NT ASPI Driver nw31x.exe NetWare 3.1X SCSI Drivers v2.56 (7-3-96) nw4x.exe NetWare 4.X SCSI Drivers v1.56 (7-3-96) nwgam.exe Netware HAM drive w/GAM spt v5.02 (7-11-97) nwham.exe Netware standard HAM driver v5.02 (5-30-97) os2-2x.exe OS/2 v2.XX SCSI Driver v1.54 (10-23-96) warp.exe OS/2 3.x/4.0 (Warp)Driver v1.54 (10-23-96) win95.exe Win95 driver upgrade v5.02 (7-14-97) winnt-a.exe WinNT 3.5x driver for Alpha v5.02 (7-17-97) winnt.exe WinNT 3.5x/4.0 SCSI driver v5.02 (7-14-97) SDC Drivers
Micro Channel RAIDCard - v2.0 (269K) all the required files to support the -002 Micro Channel RAIDCard for OS/2 and NetWare. For use under NetWare, you must also have the LANStor Plus software. When unarchiving this file, use the "-D" option to restore the directory structure. LANStor5 - v6.10 (109k) SCSI NLM for NetWare v3.11 - supports the SDC1611/3211x under NetWare versions 3.11. Not tested or certified using NetWare v3.12 or v4.xx. LANStor
Plus - v2.50 (114k) SCSI NLM for NetWare v3.12 and v4.xx
most current version of LANStor for the SDC1611/3211x, and the SDC3231WS
SCSI Adapters. It includes LAPIS Plus which which is Artecon' ASPI
layer (manager).
OS/2 Switches This adapter driver supports all bus master type BusLogic SCSI Host Adapter products. The BTSCSI.ADD device driver supports the following BusLogic host adapters: o BT-640A, BT-646S - Micro Channel SCSI Host Adapters Usually, ADD device drivers determine the parameters automatically. The following parameters are provided in case it is necessary to override the default parameter selection. BASEDEV= -- BTSCSI.ADD -----------
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