diff --git a/release/doc/en_US.ISO8859-1/hardware/alpha/proc-alpha.sgml b/release/doc/en_US.ISO8859-1/hardware/alpha/proc-alpha.sgml index 6e58e18aceee..dc40bf12cf09 100644 --- a/release/doc/en_US.ISO8859-1/hardware/alpha/proc-alpha.sgml +++ b/release/doc/en_US.ISO8859-1/hardware/alpha/proc-alpha.sgml @@ -868,310 +868,6 @@ device sbc cpu EV5 - - DEC3000 family (the <quote>Bird</quote> machines) - - The DEC3000 series were among the first Alpha machines - ever produced. They are based on an I/O bus called the - TurboChannel (TC) bus. These machines are built like tanks - (watch your back). - - DEC3000 can be subdivided in DEC3000/500-class and - DEC3000/300-class. The DEC3000/500-class is the early high-end - workstation/server Alpha family. Servers use serial consoles, - workstations have graphics tubes. DEC3000/300-class is the - lower-cost workstation class. - - DEC3000/500-class are quite fast (considering their age) - thanks to the good memory design. DEC3000/300 is crippled - compared to DEC3000/500 because of its much narrower memory - bus. - - They are called Birds because their - internal DEC code names were bird names: - - - - - - - - - DEC3000/400 - Sandpiper - 133MHz CPU, desktop - - - DEC3000/500 - Flamingo - 150MHz CPU, floor standing - - - DEC3000/500X - Hot Pink - 200MHz CPU, floor standing - - - DEC3000/600 - Sandpiper+ - 175MHz CPU, desktop - - - DEC3000/700 - Sandpiper45 - 225MHz CPU, floor standing - - - DEC3000/800 - Flamingo Ultra - 200MHz CPU, floor standing - - - DEC3000/900 - Flamingo45 - 275MHz CPU, floor standing - - - DEC3000/300 - Pelican - 150MHz CPU, desktop, 2 TC slots - - - DEC3000/300X - Pelican+ - 175MHz CPU, desktop, 2 TC slots - - - DEC3000/300LX - Pelican+ - 125MHz CPU, desktop, 2 TC slots - - - DEC3000/300L - - 100MHz CPU, desktop, no TC slots - - - - - - Features: - - - 21064 CPU (100 to 200 MHz) or 21064A CPU (225 to 275 - MHz) - - - memory DEC3000/500 class: - - - bus width: 256 bit, with ECC - - - proprietary 100pin SIMMs - - - installed in sets of 8 - - - - - memory DEC3000/300 class: - - bus width: 64 bit, with ECC - - - PS/2 style 72pin 36 bit FPM SIMMs 70ns or better - - - used in pairs of 2 - - - - - Bcache / L2 cache: varying sizes, 512 kB to 2 Mbyte - - - built-in 10Mbit Ethernet based on a Lance 7990 chip, - AUI and UTP - - - one or two SCSI buses based on a NCR53C94 or a - NCR53CF94-2 chip - - - 2 serial ports based on Zilog 8530 (one usable as a - serial console) - - - embedded ISDN interface - - - on-board 8 bit sound - - - 8 bit graphics on-board or via a TC card (depending - on model) - - - - Currently DEC3000 machines can only be used diskless on - &os;. The reason for this is that the SCSI drivers needed - for the TC SCSI adapters were not brought into CAM that the - recent &os; versions use. TC option cards for single (PMAZ-A) or - dual fast SCSI (PMAZC-AA) are also available. These cards currently - have no drivers on &os; either. - - DEC3000/300 has 5 MBytes/sec SCSI on-board. This bus is - used for both internal and external devices. DEC3000/500 has 2 - SCSI buses. One is for internal devices only, the other one is - for external devices only. - - Floppy devices found in the DEC3000s are attached to the - SCSI bus (via a bridge card). This makes it possible to boot from them - using the same device names as ordinary SCSI hard-disks, for example: - >>> BOOT DKA300 - - The 3000/300 series has a half-speed TurboChannel compared - to the other 3000 machines. Some TC expansion cards have - troubles with the half-speed bus. Caveat emptor. - - The embedded ISDN interface is not supported on &os;. - - DEC3000/300-class uses standard 36 bit, 72 pin Fast Page - Mode SIMMs. EDO SIMMs, 32 or 33 bit SIMMs all will not work in - Pelicans. For 32Mbyte SIMMs to work on the DEC3000/300-class - the presence detect bits/pins of the SIMM must correspond to - what the machine expects. If they don't, the SIMM is - seen as a 8 Mbyte SIMM. 8 Mbyte and 32 Mbyte - SIMMs can be mixed, as long as the pairs themselves are - identical. - - When you find yourself in need of fixing 32Mbyte SIMMs - that lack correct presence bits the following info might be of - use: - - There are four presence detection bits on PS/2 SIMMs. Two - of the bits indicate the access time. The other two indicate - the memory size. - - At one end of the SIMM there are two rows of four solder - pads. One row is connected to Vss (GND) and the other is - connected to pins 67 (PRD1), 68 (PRD2), 69 (PRD3), 70 - (PRD4). - - If you bridge a pair of pads with a small resistor or a - drop of solder you ground that particular bit. - - - - - - - - - PRD1 - PRD2 - Memory Size - - - - - GND - GND - 4 or 64 Mbyte - - - Open - GND - 2 or 32 Mbyte - - - GND - Open - 1 or 16 Mbyte - - - Open - Open - 8 Mbyte - - - - - - - - - - - - - PRD3 - PRD4 - Access Time - - - - - GND - GND - 50 or 100 nsec - - - Open - GND - 80 nsec - - - GND - Open - 70 nsec - - - Open - Open - 60 nsec - - - - - - DEC3000/500-class can use 2, 4, 8, 16 and 32 Mbyte 100pin - SIMMs. Note that the maximum memory size varies from system to - system, desktop machines have sacrificed box size for less - memory SIMM sockets. Given enough sockets and enough SIMMs you - can get to 512 Mbytes maximum. This is one of the main - differences between floor standing and desktop machines, the - latter have far less SIMM sockets. - - The sound hardware is not supported on any of the Birds. - - There is no X-Windows version available for the TC - machines. DEC3000/300 needs a serial console. DEC3000/500-class - might work with a graphical console. I ran mine with a serial - console so I cannot verify this. - - Birds can be obtained from surplus sales etc. As they are - not PCI based they are no longer actively maintained. TC - expansion boards can be difficult to obtain these days and - support for them is not too good unless you write/debug the code - yourself. Programming information for TC boards is hard to - find. Birds are recommended only if a. you can get them cheap - and b. if you prepared to work on the code to support them - better. - - For the DEC3000/[4-9]00 series machines the kernel config - file must contain: - options DEC_3000_500 -cpu EV4 - - For the DEC3000/300 (Pelican) machines the - kernel config file must contain: - options DEC_3000_300 -cpu EV4 - - Evaluation Board 64 family @@ -3093,8 +2789,7 @@ cpu EV5 VGA compatibility mode and work fine as &os; consoles. The PC standard serial ports found on most - Alphas are supported. For TurboChannel machines the serial ports - are also supported. + Alphas are supported. ISDN (i4b) is not supported on &os;/alpha.