Alpha One water pump kit for Mercruiser Generation 2 outdrive models
Use with years 1991 - up (serial numbers OD469859 - up)
Kit includes carrier assembly P/N 12341 (OEM 807929A1)
When installing water pump kit gaskets, make sure to use a gasket sealant (shown below)
For outdrive seal kits, click here
Exploded view Mercruiser drawing please click here
P/N 21950 Sterndrive exhaust bellows kit Years 1973 thru 1990 with serial numbers 3469428 to 0D469800. OEM part number 30-803097T1 $145.95 Includes: P/N 21906 Gimbal bearingP/N 85910 oil sealP/N 89080 shift cable bellow P/N 89100 exhaust bellow P/N 39622 bell housing gasket P/N 47110/47120 water hoses P/N 89050 drive shaft bellow
Alpha One Gen 2 Serial Numbers
Download: https://cinurl.com/2vJjqv
P/N SE116 Alpha 1 Generation 2 complete lower units. For 1991 and up models with metal water pump impeller housing, serial numbers OD470000-Up. For up to 300 horsepower. Will not replace 2.00 or 2.40 ratio units.
P/N SEI-106-198 Mercruiser R/MR/Alpha One Gen 1 complete upper unit. For 1970 - 1990 models, 4 cylinder with 1.94 / 1.98 gear ratios with a 20-24 tooth count. Compatible with 120 to 140 horsepower models with a 2.5 or 3.0 liter motor, 1971 to 1990, serial numbers 2791957 to 6225576. *Note - before ordering, please measure your output shaft that goes into the engine. Replacement upper units come with an output shaft that measures 9-9/16 inch. If your shaft is the 'short style' which measures 8-1/8 inches, please contact us for availability.
P/N SE106-181 Mercruiser R/MR/Alpha One Gen 1 complete upper unit. For 1976 - 1982 models with 4 cylinder 470 / 485 models and 1986 - 1990 4.3 liter V6. 1.81 / 1.84 gear ratio with a 17-19 tooth count. Compatible with inline 4 cylinder 3.7 liter motors serial numbers 4208730 to 6225576, and 4.3 liter 185 / 190 horsepower V6 motors serial numbers 6225577 to 0D469858. *Note - before ordering, please measure your output shaft that goes into the engine. Replacement upper units come with an output shaft that measures 9-9/16 inch. If your shaft is the 'short style' which measures 8-1/8 inches, please contact us for availability.
P/N SE106-165 Mercruiser R/MR/Alpha One Gen 1 complete upper unit. For 1970 - 1977 models with 165 horsepower inline 6 cylinder, 1.65 / 1.62 gear ratio with a 24-24 tooth count. Compatible with 165 models serial numbers 2763442 and up. *Note - before ordering, please measure your output shaft that goes into the engine. Replacement upper units come with an output shaft that measures 9-9/16 inch. If your shaft is the 'short style' which measures 8-1/8 inches, please contact us for availability.
P/N SE106-150 Mercruiser R/MR/Alpha One Gen 1 complete upper unit. For 1974 - 1990 models with 205 / 230 / 260 horsepower V8 motors, 1.47 and 1.50 gear ratio with a 20-22 tooth count. Compatible with 888, 898, 228, 225-S, 233, 250, 260, 5.0 liter 305 and 5.7 liter 350 models serial numbers 2763442 and up.
P/N SE116-147 Mercruiser Alpha One Gen 2 complete upper unit. For 1991 - up models with 230 / 260 horsepower V8 motors, 1.47 gear ratio with a 20-22 tooth count. Compatible with 5.0 liter 305 and 5.7 liter 350 models serial numbers 0D470000 and up. *Note - does not work with the 305 V8 200 horsepower model.
P/N SE116-194 Mercruiser Alpha One Gen 2 complete upper unit. For 1991 - up models with 4 cylinder motors, 1.94 gear ratio with a 20-24 tooth count. Compatible with 3.0L and 3.0LX models serial numbers 0D470000 and up.
P/N SE116-181 Mercruiser Alpha One Gen 2 complete upper unit. For 1991 - up models with 4.3 liter V6 motors, 1.81 gear ratio with a 17-19 tooth count. Compatible with 4.3L and 4.3LX models serial numbers 0D470000 and up.
This document contains the hardware compatibility notes forFreeBSD 6.1-RELEASE on the Alpha/AXP hardware platform (alsoreferred to as FreeBSD/alpha 6.1-RELEASE). It lists devices knownto work on this platform, as well as some notes on boot-time kernelcustomization that may be useful when attempting to configuresupport for new devices.
Machines with the ARC or AlphaBIOS console firmware wereintended for WindowsNT. Some have SRM console firmware available inthe system ROMs which you only have to select (via an ARC orAlphaBIOS menu). In other cases you will have to re-flash the ROMswith SRM code. Check on to see what isavailable for your particular system. In any case: no SRM meansno FreeBSD(or NetBSD, OpenBSD, Tru64 Unix or OpenVMS for that matter). Withthe demise of WindowsNT/alpha a lot of former NT boxes are sold onthe second hand market. They have little or no trade-in value whenthey are NT-only from the console firmware perspective. So, besuspicious if the price appears too good.
As part of the SRM you will get the so called OSF/1 PAL code(OSF/1 being the initial name of Digital's UNIX offering on Alpha).The PAL code can be thought of as a software abstraction layerbetween the hardware and the operating system. It uses normal CPUinstruction plus a handful of privileged instructions specific forPAL use. PAL is not microcode. The ARC console firmware contains adifferent PAL code, geared towards WinNT and in no way suitable foruse by FreeBSD (or more generic: Unix or OpenVMS). Before someoneasks: Linux/alpha brings its own PAL code, allowing it to boot onARC and AlphaBIOS. There are various reasons why this is not a verygood idea in the eyes of the *BSD folks. I don't want to go intodetails here. If you are interested in the gory details search theFreeBSD and NetBSD web sites.
Alpha machines can be run with SRM on a graphics console or on aserial console. ARC can also be run on a serial consoles if needbe. VT100 emulation with 8 bit controls should at least allow youto switch from ARC/AlphaBIOS to SRM mode without having to installa graphics card first.
If you want to run your Alpha machine without a monitor/graphicscard just don't connect a keyboard/mouse to the machine. Insteadhook up a serial terminal[emulator] to serial port #1. The SRM willtalk 9600N81 to you. This can also be really practical fordebugging purposes. Beware: some/most (?) SRMs will also presentyou with a console prompt at serial port #2. The booting kernel,however, will display the boot messages on serial port #1 and willalso put the console there. This can be extremely confusing.
Most PCI devices from the PC-world will also work in FreeBSDPCI-based machines. Check the /sys/alpha/conf/GENERIC file for the latest word onthis. Check the appropriate machine type's discussion in case youwant to use PCI cards that have PCI bridge chips on them. In somecases you might encounter problems with PCI cards not handling PCIparity correctly. This can lead to panics. PCI parity checking canbe disabled using the following SRM command:
The smart power controller is called the RMC. When enabled,typing EscapeEscapeRMCon serial port 1 will bring you to the RMC prompt. RMC allows youto powerup or powerdown, reset the machine, monitor and settemperature trip levels etc. RMC has its own builtin help.
at the serial console. Confusing is the fact that you will getSRM console output on the graphics console with the console set toserial, but when FreeBSD boots it honors the CONSOLE variable setting and all the boot messagesas well as the login prompt will go to the serial port.
The AlphaServer 2[01]00 machines are intended as departmentalservers. This is medium iron. They are multi-CPU machines, up to 2CPUs (AS2000) or 4 CPUs (2100[A]) can be installed. Bothfloor-standing and 19" rackmount boxes exist. Rackmount variationshave different numbers of I/O expansion slots, different max numberof CPUs and different maximum memory size. Some of the boxes comewith an integral StorageWorks shelf to house hot-swap SCSI disks.There was an upgrade program available to convert your Sablemachine into a Lynx by swapping the I/O backplane (the C-busbackplane remains). CPU upgrades were available as well.
Tincup has 5 64-bit PCI slots, one 1 32-bit PCI slot and oneEISA slot (which is physically shared with one of the 64-bit PCIslots). There are 2 separate PCI buses, PCI0 and PCI1. PCI0 has the32-bit PCI slot and the 2 top-most 64-bit PCI slots. PCI0 also hasan Intel 82375EB PCI/EISA bridge that drives things like the serialand parallel ports, keyboard/mouse etc. PCI1 has 4 64-bit PCI slotsand a Symbios 810 SCSI chip. VGA console cards must be installed ina slot connected to PCI0.
The machine needs ECC capable DIMMs, so 72 bit ones. This doesnot appear to be documented in the UP1000 docs. The system accessesthe serial EEPROM on the DIMMs via the SM bus. Note that if only asingle DIMM is used it must be installed in slot 2. This is a bitcounter-intuitive.
The machine needs ECC capable DIMMs, so 72 bit ones. This doesnot appear to be documented in the UP1100 docs. The system accessesthe serial EEPROM on the DIMMs via the SM bus. Note that if only asingle DIMM is used it must be installed in slot 2. This is a bitcounter-intuitive.
A word of caution: the installed base for FreeBSD is not nearlyas large as for FreeBSD/Intel. This means that the enormousvariation of PCI/ISA expansion cards out there has much less chanceof having been tested on alpha than on Intel. This is not to implythey are doomed to fail, just that the chance of running intosomething never tested before is much higher. GENERIC contains things that are known to work onAlpha only. 2ff7e9595c
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