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UNISYS U6000/50 Help needed! :)
Post 302720217 by asbesto on Tuesday 23rd of October 2012 03:45:05 PM
10-23-2012
UNISYS U6000/50 Help needed! :)
Hi all,
here at our computer museum in Palazzolo Acreide, Italy, we're trying to restore this ancient UNISYS server: (some picture here)
wiki DOT museo DOT freaknet DOT org/?title=UNISYS_U6000/50
(sorry I can't post any URL)
We have casual memory errors but we tested every single SIMM and they are OK. We tried everything; no ripple on power supply, RIFA capacitors changed on power supply, other electrolytic capacitors checked and tested, hot / fresh air on some part of the boards... but sometimes the system run smooth, and sometime it gave us weird errors and lockups.
We removed every unnecessary board; changed the VGA board, clean everything and look for contacts, bad joints, cables and whatsoever. We also made a complete dump of our 650 Mb SCSI hard disk to save data.
Our goal is to restore this UNIX System V. Release 3.2 Version 3.0 back running again!
The meaning of our Museum "Informatica Funzionante" is to restore pieces and to let people have fun(*) using them. So we're restoring it
(*) under our control, obviously!
We have no spare memory board to swap and make other tests, so here we are asking if somebody can have some boards around for this kind of machine.
Another clue can be to create a similar machine to boot this O.S. but it seem very weird - the SCSI HD image show that there's no boot record so we assume system boot via some hardcoded program into the BIOS. Board start as a Phoenix 386 bios but seem hardly different from any known pc from that era. Also, the Western Digital controller chip seem peculiar and I've find no SCSI controller with this same chip - and the kernel, I presume, is compiled for this controller...
Maybe can anyone help us? Any spare board, any old UNISYS similar server in the junkyard, or any kind of hint?
Thank you all
Gabriele
here at our computer museum in Palazzolo Acreide, Italy, we're trying to restore this ancient UNISYS server: (some picture here)
wiki DOT museo DOT freaknet DOT org/?title=UNISYS_U6000/50
(sorry I can't post any URL)
We have casual memory errors but we tested every single SIMM and they are OK. We tried everything; no ripple on power supply, RIFA capacitors changed on power supply, other electrolytic capacitors checked and tested, hot / fresh air on some part of the boards... but sometimes the system run smooth, and sometime it gave us weird errors and lockups.
We removed every unnecessary board; changed the VGA board, clean everything and look for contacts, bad joints, cables and whatsoever. We also made a complete dump of our 650 Mb SCSI hard disk to save data.
Our goal is to restore this UNIX System V. Release 3.2 Version 3.0 back running again!
The meaning of our Museum "Informatica Funzionante" is to restore pieces and to let people have fun(*) using them. So we're restoring it
(*) under our control, obviously!
We have no spare memory board to swap and make other tests, so here we are asking if somebody can have some boards around for this kind of machine.
Another clue can be to create a similar machine to boot this O.S. but it seem very weird - the SCSI HD image show that there's no boot record so we assume system boot via some hardcoded program into the BIOS. Board start as a Phoenix 386 bios but seem hardly different from any known pc from that era. Also, the Western Digital controller chip seem peculiar and I've find no SCSI controller with this same chip - and the kernel, I presume, is compiled for this controller...
Maybe can anyone help us? Any spare board, any old UNISYS similar server in the junkyard, or any kind of hint?
Thank you all
Gabriele
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LEARN ABOUT OPENSOLARIS
dpt
dpt(7D) Devices dpt(7D) NAME
dpt - DPT ServeRAID IV SCSI host bus adapter and RAID adapter driver DESCRIPTION
The dpt driver is a driver for the DPT (Distributed Processing Technology) family of SmartRAID IV SCSI HBA and RAID adapters. The following HBA adapters are supported: PM2024, PM2044UW, PM2044W, PM2124, PM2124W, PM2144UW, and PM2144W. The following RAID adapters are supported: PM3224, PM3224W, PM3334UW, and PM3334W. PRECONFIGURATION
o DPT PM3224 only: Only EPROM 7A and later versions are supported. o DPT PM2024 and PM2124 only: Only EPROM 6D4 and later versions are supported. o Use adapters with SmartROM version 3.B or later versions only. o Be sure that the controller board is installed in a PCI bus-mastering slot. o Disable PCI parity checking if your firmware version is earlier than version 7A, if your system memory is ECC, or if your system does not check parity. Known Problems and Limitations During system boot, a message may be displayed saying a DPT controller driver cannot be installed. This message indicates that the mother- board installed in your system may contain ECC memory or may not check parity. If you see this message is displayed, disable PCI parity checking. Supported Settings o I/O Address: Auto CONFIGURATION
Auto-configuration code determines whether the adapter is present at the configured address and what types of devices are attached to it. The DPT ServeRAID is primarily used as a disk array (system drive) controller. To configure the attached disk arrays, you must configure the controller (using the configuration utilities provided by the hardware manu- facturer) before you boot the Solaris operating environment. You use the configuration utilities to set RAID levels, stripe parameters, cache mechanisms and perform other functions. For more information, see the user manual supplied with your hardware. FILES
/kernel/drv/dpt.conf dpt configuration file /dev/dsk/cndn[s|p]n block device /dev/rdsk/cndn[s|p]n raw device where: cn controller n dn LUN n (0-7) sn UNIX system slice n (0-15) pn fdisk(1M) partition(0) ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------------------------------------+ |ATTRIBUTE TYPE ATTRIBUTE VALUE | |Architecture x86 | +-----------------------------------------------------------+ SEE ALSO
fdisk(1M), attributes(5), cmdk(7D) SunOS 5.11 27 November 2000 dpt(7D)