Date: Thu, 13 Jan 2000 16:16:49 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Wilko Bulte <wilko@yedi.iaf.nl> Cc: FreeBSD-alpha mailing list <freebsd-alpha@FreeBSD.ORG> Subject: Re: current shot at AlphaHW.txt Message-ID: <14462.16191.409234.724569@grasshopper.cs.duke.edu> In-Reply-To: <20000112084013.A53647@yedi.iaf.nl> References: <20000112084013.A53647@yedi.iaf.nl>
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Wilko Bulte writes:
> *
> * DS10 ("Webbrick") / XP1000 ("Monet")
> *
>
> Webbrick and Monet are high performance workstations/servers based on the
> EV6 CPU and the Tsunami chipset. Tsunami is also used in much higher-end
> systems and as such has very good performance to offer.
>
> The XP1000 has, by 1999 standards, *stunning* memory and I/O system bandwidth.
>
> ** Webbrick
>
> Features:
> - 21264 EV6 CPU at 466 MHz
> - 4MB L2 cache
> - memory bus: ? +++
> - memory: proprietary buffered DIMMs with I2C interfaced ident chip
> +++ really proprietary?
> 4 DIMM slots
> installed in pairs of 2
> - 21271 Core Logic Chipset ("Tsunami")
> - 2 onboard 21143 Fast ethernet controllers
> - AcerLabs M5237 (Aladdin-V) USB controller
> - AcerLabs M1533 PCI-ISA bridge
> - AcerLabs Aladdin ATA-33 controller
> - expansion: 3 64-bit PCI slots
> 1 32-bit PCI slots
> - 2x 16550A serial ports
> - 1x parallel port
> - PS/2 keyboard & mouse port
>
> Case:
> The DS10 is shipped in a desktop-style case similar to the older 21164
> "Maverick" workstations but which offers much better access to
> components. If you intend to build a farm you can rackmount DS10 in a 19"
> rack.
>
> Memory:
> DS10 has 4 DIMM slots. DIMMs are installed as pairs. Please note that
> DIMM pairs are not installed in adjacent DIMM sockets but rather physically
> interleaved.
>
> EIDE:
> The base model comes with a FUJITSU 9.5GB ATA disk as its boot device.
> FreeBSD/alpha works just fine using EIDE disks on DS10.
>
> USB:
> whether this works on FreeBSD on DS10 is as yet unknown.
>
> ** Monet
>
> Features:
> - 21264 EV6 at 500 or 667 MHz
> - 4MB L2 cache
> - memory bus ??? +++
> - memory ?? +++
> - 21271 Core Logic Chipset ("Tsunami")
> - 1 onboard 21143 ethernet controller
> - Cypress 82C693 USB controller
> - Cypress 82C693 PCI-ISA bridge
> - Cypress 82C693 controller (bootable & usable for a root disk)
> - expansion: 2 independent PCI buses (called hoses)
> hose 0: (the upper 3 slots)
> 2 64-bit PCI slots
> 1 32-bit PCI slot
> hose 1: (the bottom 2 slots)
> 2 32-bit PCI slots (behind a PCI-PCI bridge)
>
> - 1x UltraWide SCSI port based on a Qlogic 1040 chip
> - 2x 16550A serial port
> - 1x parallel port
> - PS/2 keyboard & mouse port
It also has an ess1888 sound card built into the motherboard. Today's
-current "sorta" sees it:
sbc0: <ESS ES1888> at port 0x220-0x22f irq 5 drq 1 on isa0
sbc0: interrupting at ISA irq 5
pcm0: <SB DSP 3.01 (ESS mode)> on sbc0
pcm0: chn_init() for record:0 failed
pcm0: chn_init() for play:0 failed
> Case:
> Monet is housed in a mini-tower like enclosure.
>
> Memory:
>
> Expansion:
> Don't try to use NCR/Symbios-chip based SCSI adapters in the PCI slots
> connected to hose 1. There is a not-yet-found FreeBSD bug that prevents this
> from working correctly.
>
> The kernel config file must contain:
> options DEC_ST6600 # xp1000, dp264, ds20, ds10, family
>
>
> The following quirk applies
> - One cannot put a NCR scsi controller into a slot on the secondary
> PCI bus.
>
> DS20:
>
> Features:
> - 21264 EV6 at +++ MHz
> - dual CPU capable machine
> - +++ Mb L2 cache
> - memory bus: 256 bit ?+++
> - memory: proprietary ?+++ DIMMs
> installed in sets of 4
> uses ECC ?+++
> 16 DIMM slots
> - 21271 Core Logic Chipset ("Tsunami")
> - expansion: 2 independent PCI buses (called hoses)
> 6 64-bit PCI slots (3/hose)
> 1 ISA slot
>
> Case:
> DS20 is housed in a fat minitower-like enclosure. The enclosure also
> contains a StorageWorks SCSI hotswap shelf for a maximum of 7 3.5" SCSI
> devices.
>
> CPU:
> DS20 can have a maximum of 2 CPUs installed. FreeBSD/alpha is not currently
> SMP-capable and will only use one CPU.
The NCR quirk should be moved out of the monet section, it applies to
all multi-hose machines (eg DS20, dp264 & UP2000). The DS20 ships
with an NCR card in a pci slot on hose1, so one has to open the case &
move the board to get FreeBSD booting.
I think that the DS20's nickname is "goldrush"
Notice the above edits about having 2 hoses, 3 pci slots / hose
Drew
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