Re: How to force IRQ's in Windows 95c?

Posted on 2019-01-18, 23:52

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This system does not have a PS/2 mouse header. It does have solder pads for a PS/2 mouse connector, but the wiring on the PCB for PS/2 mouse is not connected for PS/2 operation - it is connected only for AT keyboard operation. And Windows lists IRQ 12 as free. Since 'im using a BUS mouse on IRQ 2/9, …

---

Re: How to force IRQ's in Windows 95c?

Posted on 2019-01-18, 02:58

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Here's a photo of what I don't understand. Why share IRQ's when IRQ 12 is free? In the BIOS, I've reserved IRQ 5 and 10 for ISA (ISA sound and ethernet cards), but IRQ 12 is left as "Auto". Filename W95_IRQs.PNG File size 32.41 KiB Views 632 views

---

How to force IRQ's in Windows 95c?

Posted on 2019-01-18, 02:26

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

EDIT: I've removed the title, "How to use registry to remove Device Manager items in Win95c?" and changed it to "How to force IRQ's in Windows 95c" Is it possible to force IRQ 12 onto my Promise PCI IDE card? What I don't understand is why Windows 95c wants to share IRQ 11 between the graphics and …

---

Re: Voltage regulator part number needed for ExpertData EXP4349

Posted on 2019-01-18, 02:09

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

My board is a lemon. Maybe if I let it sit in the box for a few years it will become a lemon pie.

---

Re: TMC PET48PN EISA+VL Motherboard 50 Mhz bus testing

Posted on 2019-01-17, 08:30

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

I actually don't know anything about Amiga systems and have never owned one. So Amiga's use a DB9 connector for a bus mouse? That's interesting - I thought bus and inport mice were mini-DIN9. Is there any hardware on your protocol converter board which needed to be altered to decrease the lag, or is …

---

Re: TMC PET48PN EISA+VL Motherboard 50 Mhz bus testing

Posted on 2019-01-17, 04:24

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

NJRoadfan wrote: they make Amiga/ST bus mice ... to PS/2 mice adapters to use modern optical mice. Link?

---

Re: TMC PET48PN EISA+VL Motherboard 50 Mhz bus testing

Posted on 2019-01-16, 22:18

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

Is there a kit I can buy and assemble to test with my KVM? EDIT: Or can your firmware be adapted to the original Matze79 unit I already have?

---

Re: TMC PET48PN EISA+VL Motherboard 50 Mhz bus testing

Posted on 2019-01-16, 19:38

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

Nice! I like how the chips are socketed. Does it work with KVM's? That's the issue I had with Matze79's protocal converter. The issue with using a bus mouse card is that your mouse selection will be very limited.

---

Re: TMC PET48PN EISA+VL Motherboard 50 Mhz bus testing

Posted on 2019-01-16, 11:08

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

Indeed I really like the model if not for the PS/2 mouse port missing, but I have solved it in another way... ;) How did you solve it? I just added a Logitech bus mouse with ISA bus mouse card to my NexGen system (now my only system without PS/2). The tracking is incredibly smooth. My first …

---

Is a 16x CD-ROM considered too loud for game play?

Posted on 2019-01-16, 11:04

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Aside from using CD slow down utilities or config.sys driver settings, is a 16x CD-ROM drive considered too loud for general use or game loading? I see often that the goal is to slow the drives down to 4x speeds. What is everyone's [personal] consensus on what CD-ROM speed is acceptable for noise? …

---

Re: 40 MHz comparo : TI 486 SXL vs Cx486DLC vs CX-83D87-40 vs IIT 4C87DLC-40

Posted on 2019-01-15, 12:05

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The grey-topped Cyrix FasMath FPU's are a smidge faster than the black-top ones. Someone mentioned that the black-top FPUs changed something to increase compatibility at the small expensive of performance. Landmark is sensitive enough to see the difference in speed. Unfortunately, the grey-tops …

---

Re: Help ID-ing 386 EISA/VESA board - jumper settings?

Posted on 2019-01-15, 00:34

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Curious to know if a PGA-132 or PGA-168 SXL2 chip will run in this.

---

Re: ALI1487 / 1489 dma support win95 + dos udma enabler

Posted on 2019-01-15, 00:25

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Huh. Anyone have any idea why the sustained transfers are slower when using the ALi DMA driver?

---

Re: TMC PET48PN EISA+VL Motherboard 50 Mhz bus testing

Posted on 2019-01-14, 19:36

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

I almost had a B1 revision Am486 DX2 chip stable ta 180 MHz. It ran pretty well in DOS at around 3.8 V. It would crash in Windows though. I took it up to 4 V, but it wasn't enough. AT 5 V, it would not POST.

---

Re: ALI1487 / 1489 dma support win95 + dos udma enabler

Posted on 2019-01-14, 02:01

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

From these results, the standard driver appears faster at sequential read/writes. But from your previous benchmarks though, the ALi driver was faster at writes and slower at reads. Are you able to setup a RAM drive and re-run the timed tests with the hard drive writing to the RAM drive and the RAM …

---

Re: TMC PET48PN EISA+VL Motherboard 50 Mhz bus testing

Posted on 2019-01-14, 01:49

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

Regarding your overclocked ADW - I would start with getting it stable at 180 MHz before jumping to 200 MHz. If you were able to get it stable at 180 MHz, what voltage?

---

Re: TI 486SXL and 486SXL2 PGA168 on socket 3 motherboards

Posted on 2019-01-13, 20:37

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The EXP4349 will run the PGA-168 version of the SXL2. I tested this configuration before my motherboard died. The BIOS on that board has issues though, it will only let you enter the BIOS if the battery has been drained or there is some other form of CMOS mismatch. Even though it says, "Press DEL to …

---

Re: TI 486SXL and 486SXL2 PGA168 on socket 3 motherboards

Posted on 2019-01-13, 20:00

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What information are you looking for?

---

Re: ALI1487 / 1489 dma support win95 + dos udma enabler

Posted on 2019-01-13, 11:52

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Interesting. On my UMC 8881-based system, when using a LS120 disk drive, there is a DMA tick box, but after I tick it and reboot, the tick is removed.

---

Re: Recent WinXP/POS2009 update causes errors with PIII systems

Posted on 2019-01-13, 11:51

by

by feipoa

in Marvin \ Software

in Marvin \ Software

DosFreak wrote: It's not a conspiracy... I don't know what to believe anymore - I believe all of it, at the same time, I believe none of it. There is very little I can say with certaintiy that is based upon first-hand knowledge.

---