[Info-vax] ChatGPT solved it for me, again...

[Hans Bachner]

Arne Vajhøj schrieb am 15.02.2023 um 00:54:
> On 2/14/2023 5:44 PM, Slo wrote:
>> I have these two boxes, but was never sure about this, so I asked
>> ChatGPT for help. I took apart the PWS 500au simply because of
>> lack of space -- it works perfectly! I don't know what to do
>> with the parts, but would like to at least reuse the power supply, hence:
>>
>> Me:
>> Can the power supply from DIGITAL Personal Workstation 500au used in  
>> AlphaStation XP1000
>>
>> ChatGPT:
>> The Digital Personal Workstation 500au and the AlphaStation XP1000 are 
>> from
>> different generations of Digital/Compaq/HP workstations, and they have
>> different power supply requirements.
>> The Digital Personal Workstation 500au uses a 200-watt power supply, 
>> while
>> the AlphaStation XP1000 uses a 700-watt power supply. [...]
> 
> Did it?
> 
> https://www.williamstein.org/people/buhler/JPB/tech-specs.pdf
> says that a 500au got a 300W power supply
> 
> https://www.manualslib.com/manual/711131/Compaq-Alphastation-Xp1000.html
> says that XP1000 has a 400W power supply
> 
> I am not a HW guy but those references saying 300W and 400W
> look pretty credible.
> 
> I would love to know where ChatGPT got the 200W and 70)W from.
> 
> Arne


The QuickSpecs of the XP1000 (V22 dated 31-Dec-2001, from "HPE Product 
Bulletins") say:

> AlphaStation XP1000 Systems include:
> 
> Tower enclosure with Alpha 21264A (EV67) 667-MHz CPU with 64-KB data cache,
> 64-KB instruction cache, and 4-MB Level 2 cache
> Five Expansion slots on two buses: [...]
> Two memory option banks, four DIMM slots per bank, maximum 2-GB memory
> Six Storage bays: [...]
> 400W power supply             <<<==================
> Onboard wide UltraSCSI adapter
> Onboard 16-bit Soundblaster compatible audio
> Onboard 10/100 Ethernet (Twisted pair); ThinWire and Thick wire optional
> Integrated I/O [...]s
> 1.44-MB diskette drive
> 650-MB 40X CD-ROM drive
> Factory Installed Software: Tru64 UNIX or OpenVMS
> Protected by Compaq Services, including a three-year on-site limited warranty


The SOC (Systems and Options Catalog) for the "Compaq DPW Enhanced 
a-Series & au-Series V4.0 
 6 January 2000" says:

> Short tower enclosure with
> -
   Alpha microprocessor 21164 500/600 MHz CPU
>     Compaq DPW Workstations a-Series, or
> 
-   Alpha microprocessor 21164 500/600 MHz CPU
>     Compaq DPW Workstations au-Series.
> 
-   Optional 4 MB cache
> 
-   Five I/O slots [...]
> -
   Three DIMM banks (six slots) (1.5 GB maximum)
> 
-   Six storage bays [...]
> -
   300 W power supply             <<<==================
> 
-   Onboard Qlogic Wide Ultra SCSI Adapter
> 
-   Onboard 16-bit audio (not supported on OpenVMS)
> 
-   10/100 BaseT Ethernet Twisted pair (ThinWire—optional)
> 
-   1.44 MB diskette drive.
> 
-   32X CD-ROM drive.
> 
-   Factory installed software [...]


This is the most "official" data I found.

Hans.