Re: How many Amps does a 486 PC use on +12V?

Posted on 2019-12-16, 17:44

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

In old days of computing, most attention is 5V and enough current on 12V up to 60W. Which is one voice coil type actuator full height hard drive (around 40W) for most 200W PSU with P8 and P9 type AT/baby AT style PSUs. If you are running many 3.5" hard drives, that is less of a concern since they …

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Re: My "new" HP Z400 Workstation.

Posted on 2019-12-13, 23:53

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

Think of the 400, z220 and z230 as "used to be expensive" yet quality toy with ECC and one x16 slot computers based on 128bit memory bus using 4 memory slots except 400 sometimes has 4 slot or 6 slot memory depending on motherboard. To step up to real thing; one should start with 600, Zx40 series …

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Re: Something a little different, blasphemous and pointless

Posted on 2019-12-12, 20:33

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

At one time my family and I had Atom notebooks and couple of Atom motherboards once. Problem is Atom is so crippled in both CPU and iGPU as they were made with in order execution means they so poor performance-wise vs other processors with out of order execution that started with Pentium Pro, even …

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Re: AST Bravo LC2 4/33s restoration.

Posted on 2019-12-12, 02:23

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

you need matched set of 9 pieces of 32K x 8 SRAM cache chips 25 or 20ns, or 15ns for fsb of 33mhz. All matched. Tag tend to be 5ns faster but if 15ns, just use all 9. Close all cache jumpers with 3 pieces of jumpers. Or buy a motherboard with 9 pieces of cache configured for 256K and transfer. Try …

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Re: Bought these (retro) hardware today

Posted on 2019-12-12, 00:32

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Been long time last time I had a Compaq LTE 386s/20 (discontinued model in summer 1993) from reseller for $1,000, this was my first notebook computer for college. Just bought a Compaq LTE Lite/25 to work on, waiting for computer to come to me, my xmas present. I know I need to get software for it to …

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Re: What retro activity did you get up to today?

Posted on 2019-12-09, 22:16

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Learned what to look for and successfully got ACHI storage driver slipped in via F6 install of XP 32bit on a Optiplex 990 (my lucky donation) with i7 2600 and 2TB HD. Got drivers in except realtek driver does not leave WDM drivers files for the next reboot "found new hardware" thing failed. Was …

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Dell Ultrasharp 2000 series questions:

Posted on 2019-12-09, 00:41

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Will they do the low resolutions DOS like DOOM for example scaled to fit the bezel without any bars or border? 2000FP 2001FP 2007FP Thanks and cheers,

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Re: 32-bit OS that will run best on 8MB 386sx-16

Posted on 2019-12-08, 23:19

by

by pentiumspeed

in Marvin \ Software

in Marvin \ Software

Back in the day, I did not own any computers with 386sx except my LTE 386s/20 notebook which is not running windows, I used microsoft word 5.0 for DOS to create notes and writing when i was at college. My very first computers was as toys playing with hardware and 286 boards. I played games short …

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Re: Post your 'current' PC

Posted on 2019-12-08, 23:04

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

HP Z440 Workstation Intel Xeon E5-1650v3 3.5GHz 6 core processor 64GB DDR4 ECC RAM (4x16GB) Gigabyte WINDFORCE NVIDIA GeForce GTX1070 8GB PCIe video card LG GH24NS95 24X DVD/RW drive HP EX950 512GB NVMe SSD via M.2 to PCIe x4 adapter Seagate ST2000DM001 2TB 7200RPM hard drive Windows 10 Pro 1909 PS …

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Re: My "new" HP Z400 Workstation.

Posted on 2019-12-08, 22:54

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

oeuvre wrote: The one on the back of the case. The heatsink fan is fine. I do that all the time too, changing the too lightweight fan for another even the heatsink fan as well in my business & workstation HP and Dell. Cheers, Jason

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Re: Some pics from old MFM HD

Posted on 2019-12-08, 21:44

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This one you took pictures of I did not see before and was really interested. 😀 Oh, Once you get clamshell opened, take more photos, platter stack, actuator arm, voice coil before taking rest of it apart. Cheers,

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Re: My "new" HP Z400 Workstation.

Posted on 2019-12-08, 19:25

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

oeuvre wrote: I have a Z420 and the stock fan is a bit noisy... replaced it with an Arctic F9 PWM and it runs very quiet now, even with BIOS fan speed set to the lowest setting. Which noisy fan in your Z420? I have Z420 v2 as well (ivy bridge support). Cheers,

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Re: Some pics from old MFM HD

Posted on 2019-12-08, 19:15

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Guys: Take a pictures of your hard drives that is ususal/rarely seen brand makers. Not the common ones like Miniscribe, Seagate, WD, Tandon. Cheers,

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Re: AST Bravo LC2 4/33s restoration.

Posted on 2019-12-08, 02:21

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

That's Phoenix bios way. Cheers,

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Re: My "new" HP Z400 Workstation.

Posted on 2019-12-08, 02:19

by

by pentiumspeed

in Marvin \ System Specs

in Marvin \ System Specs

Here is my 6-core 32gb HP z400 and HP z800 with 12-cores and 48gb. both with HP liquid cooling. I put SSD's in both and they perform pretty good. I sold them about 2 years ago. They where just to BIG and Loud. I use an HP 6300 mid-tower today with i5 CPU and 16gb ram and SSD. Big? That's hardly a …

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Re: Strange nVIDIA 4x.xx+ win9x bug

Posted on 2019-12-08, 02:11

by

by pentiumspeed

in Marvin \ Video

in Marvin \ Video

Don't think so. Geforce2 came out in 2000 and 2001, Geforce3 in 2001, PIII came out in 1999 and 2000. So I would say PII and that was what is minimum on this game's box, supports directx 7. Maybe this is a CPU speed bug particular to this GP3? Try 500, 450, 400, 350? Cheers,

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Re: Troubleshooting old Slot 1 motherboard

Posted on 2019-12-07, 22:56

by

by pentiumspeed

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Use ESR meter. I have two, one at work and one at home. So useful to quickly fix monitors and tv crt and power supplies, motherboard. Capacitors has to be removed first. Not too expensive to get. It is about 120Khz signal and is measured by the DAC on the chip and reported in ESR value and you check …

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Re: VOODOO 2 SLI Memory reporting

Posted on 2019-12-06, 03:37

by

by pentiumspeed

in Marvin \ Video

in Marvin \ Video

Scale back the 768MB to 512MB by remove one. Win 98SE does not support greater than 512MB. Don't hack it. Cheers,

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Re: Strange nVIDIA 4x.xx+ win9x bug

Posted on 2019-12-06, 03:34

by

by pentiumspeed

in Marvin \ Video

in Marvin \ Video

C2D too fast for that driver probably. Try different CPUs: P4 socket 775 2GHz or get slow 775 pentium dual core 1.8GHz and see? Cheers,

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Re: VRAM vs DRAM

Posted on 2019-12-02, 02:16

by

by pentiumspeed

in Marvin \ Video

in Marvin \ Video

Not bunk, I had a ATI Graphics Ultra ISA card which is vram based. Good for windows, gaming is slower due to slow incompatible VGA part with 512K dram. Then later on when I tried to use it again on later windows, the drivers was limited held it back. 1MB can only get you that far. 2MB S3 and 2MB …

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