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devel / comp.os.cpm / Re: Montezuma Micro CP/M Hard Drives

SubjectAuthor
* Montezuma Micro CP/M Hard DrivesTom Lake
`* Montezuma Micro CP/M Hard Drivesldkr...@gmail.com
 +- Montezuma Micro CP/M Hard DrivesTom Lake
 `* Montezuma Micro CP/M Hard DrivesTom Lake
  `- Montezuma Micro CP/M Hard Drivesldkr...@gmail.com

1
Montezuma Micro CP/M Hard Drives

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Subject: Montezuma Micro CP/M Hard Drives
From: tlake@twcny.rr.com (Tom Lake)
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 by: Tom Lake - Fri, 21 Apr 2023 04:50 UTC

I have the drivers for a and 15 Mb drives but the instructions say there's also a driver for a 35 Mb drive (HDRS35M.COM) but it's not on the MMRSHD.DSK image I have. Does anyone have the image that includes HDRS35M.COM so I can use a 35 Mb drive?

Re: Montezuma Micro CP/M Hard Drives

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Subject: Re: Montezuma Micro CP/M Hard Drives
From: ldkraemer@gmail.com (ldkr...@gmail.com)
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 by: ldkr...@gmail.com - Fri, 21 Apr 2023 13:31 UTC

Tom,
In all the files I have for MMCPM231 I did not find the HDRS35.COM. There is a text file with a lot more
drivers showing. I don't find any of those file either.
[code]
HARD DISK DRIVERS AVAILABLE

DRIVE MANUFACTURER, MODEL #, CAPACITY, & ORGANIZATION FILE NAME
------------------------------------------------------------------------
***************************** WARNING! *********************************
* When using any of the AEROCOMP drivers, if you specify the 'INITF' *
* parameter the ENTIRE HARD DRIVE will be formatted, even if you use *
* the '*' option to reserve space. This is a hardware-dictated action *
* so do not use 'INITF' unless you can afford to lose EVERYTHING on the*
* hard disk drive! *
* All Aerocomp drivers use the SCSI interface. *
***************************** WARNING! *********************************

Aerocomp Model AD5C HDMMAD5C.COM
5 Megabyte, Heads=2, Cyls=306, PSC=156, RWC=156, Step=28 us

Aerocomp Model SA5S HDMMSA5S.COM
5 Megabyte, Heads-4, Cyls=153, PSC=128, RWC=128, Step=3 ms

Aerocomp Model AD10 HDMMAD10.COM
10 Megabyte, Heads=4, Cyls=306, PSC=256, RWC=256, Step=12 us

Aerocomp Model AD15 HDMMAD15.COM
15 Megabyte, Heads=6, Cyls=306, PSC=256, RWC=256, Step=12 us

Aerocomp Model AD20 HDMMAD20.COM
20 Megabyte, Heads=4, Cyls=612, PSC=300, RWC=612, Step=12 us
Note: Space allocation is done as listed in the manual except for
the case of three drives. Then allocation is as follows:
1st=8 Meg, 2nd=6 Meg, 3rd=6 Meg

Aerocomp Model AC30 HDMMAC30.COM
30 Megabyte, Heads=6, Cyls=640, PSC=256, RWC=640, Step=12 us
Note: Space allocation is done as listed in the manual except for
the case of four drives. Then allocation is as follows:
1st=8 Meg, 2nd=8 Meg, 3rd=7 Meg, 4th=7 Meg

Aerocomp Model AD30 HDMMAD30.COM
30 Megabyte, Heads=5, Cyls=695, PSC=0, RWC=695, Step=12 us
Note: Space allocation is done as listed in the manual except for
the case of four drives. Then allocation is as follows:
1st=8 Meg, 2nd=8 Meg, 3rd=7 Meg, 4th=7 Meg

Aerocomp Model AD30T HDMMAT30.COM
30 Megabyte, Heads=6, Cyls=650, PSC=650, RWC=650, Step=12 us
Note: Space allocation is done as listed in the manual except for
the case of four drives. Then allocation is as follows:
1st=8 Meg, 2nd=8 Meg, 3rd=7 Meg, 4th=7 Meg

Aerocomp Model AD30S HDMMAS30.COM
30 Megabyte, Heads=5, Cyls=733, PSC=300, RWC=733, Step=12 us
Note: Space allocation is done as follows:
1 drive = 8 Meg (CP/M maximum)
2 drives: 1st=8 Meg, 2nd=8 Meg (Each drive occupies 15 Meg)
3 drives: 1st=8 Meg, 2nd=8 Meg, 3rd=8 Meg
4 drives: 1st=8 Meg, 2nd=7 Meg, 3rd=8 Meg, 4th=7 Meg

DRIVE MANUFACTURER, MODEL #, CAPACITY, & ORGANIZATION FILE NAME
------------------------------------------------------------------------
Radio Shack #26-1130 or 26-1131 HDRS5M.COM
5 Megabyte, Heads=4, Cyls=153, PSC=80, RWC=n/a, Step=.5ms

Radio Shack #26-1130 or 26-1131 HDRS5X.COM
5 Megabyte, Heads=4, Cyls=153, PSC=80, RWC=n/a, Step=.5ms
This driver is the same as HDRS5M.COM except that when a logical
drive is allocated to 1 head it will use 2k allocation blocks
instead of 4k.

Radio Shack #26-1130 or 26-1131 HDRS5S.COM
5 Megabyte, Heads=4, Cyls=153, PSC=80, RWC=n/a, Step=.5ms
This driver is the same as HDRS5M.COM, but is specifically tailored
for use in a 64k CP/M in conjunction with SMALBIOS. It will not work
correctly in a 63k CP/M system!

Radio Shack #25-1025 HDRS10M.COM
10 Megabyte, Heads=4, Cyls=306, PSC=204, RWC=n/a, Step=35us

Radio Shack #26-4152 or 26-4153 HDRS12M.COM
12 Megabyte, Heads=6, Cyls=230, PSC=153, RWC=n/a, Step=35us

Radio Shack #26-4155 or 26-4156 HDRS15M.COM
15 Megabyte, Heads=6, Cyls=306, PSC=153, RWC=n/a, Step=35us

Radio Shack #26-4271 or 26-4272 HDRS35M.COM
35 Megabyte, Heads=8, Cyls=512, PSC=280, RWC=n/a, Step=35us

DRIVE MANUFACTURER, MODEL #, CAPACITY, & ORGANIZATION FILE NAME
------------------------------------------------------------------------
Bi-Tech Enterprises 5 Megabyte Full-size HDBT5MF.COM
5 Megabyte, Heads=2, Cyls=306, PSC=156, RWC=n/a, Step=3ms

Bi-Tech Enterprises 5 Megabyte Removable HDBT5MR.COM
5 Megabyte, Heads=2, Cyls=306, PSC=156, RWC=n/a, Step=3ms

Bi-Tech Enterprises 10 Megabyte Full-size HDBT10MF.COM
10 Megabyte, Heads=4, Cyls=306, PSC=156, RWC=n/a, Step=3ms

Bi-Tech Enterprises 10 Megabyte Thin-line HDBT10MT.COM
10 Megabyte, Heads=4, Cyls=306, PSC=156, RWC=n/a, Step=3ms

Bi-Tech Enterprises 10 Megabyte Removable HDBT10MR.COM
10 Megabyte, Heads=2, Cyls=612, PSC=156, RWC=n/a, Step=35us

Bi-Tech Enterprises 11 Megabyte Removable HDBT11MR.COM
10 Megabyte, Heads=4, Cyls=306, PSC=156, RWC=n/a, Step=3ms
* Bi-Tech calls it an 11 Meg drive, but it is actually 10

Bi-Tech Enterprises 15 Megabyte Full-size HDBT15MF.COM
15 Megabyte, Heads=4, Cyls=480, PSC=248, RWC=n/a, Step=3ms

Bi-Tech Enterprises 20 Megabyte Full-size HDBT20MF.COM
20 Megabyte, Heads=8, Cyls=320, PSC=156, RWC=n/a, Step=3ms

Bi-Tech Enterprises 20 Megabyte Thin-line HDBT20MT.COM
20 Megabyte, Heads=4, Cyls=640, PSC=328, RWC=n/a, Step=.5ms

Bi-Tech Enterprises 30 Megabyte Thin-line HDBT30MT.COM
30 Megabyte, Heads=6, Cyls=640, PSC=328, RWC=n/a, Step=.5ms

Bi-Tech Enterprises 40 Megabyte Full-size HDBT40MF.COM
40 Megabyte, Heads=5, Cyls=987, PSC=500, RWC=n/a, Step=5ms

DRIVE MANUFACTURER, MODEL #, CAPACITY, & ORGANIZATION FILE NAME
------------------------------------------------------------------------
Percom #PHD5C3 HDPC5M.COM
5 Megabyte, Heads=2, Cyls=306, PSC=156, RWC=n/a, Step=.5ms

Percom #PHD5S2 HDPS5M.COM
5 Megabyte, Heads=4, Cyls=153, PSC=64, RWC=n/a, Step=3ms

Percom #PHD10T3 HDPT10M.COM
10 Megabyte, Heads=4, Cyls=306, PSC=156, RWC=n/a, Step=35us

Percom #PHDS10F1 HDPF10M.COM
10 Megabyte, Heads=4, Cyls=320, PSC=156, RWC=n/a, Step=3ms

Percom #PHD15T2 HDPT15M.COM
15 Megabyte, Heads=6, Cyls=306, PSC=156, RWC=n/a, Step=35us

Percom #PHD20 HDPT20M.COM
20 Megabyte, Heads=4, Cyls=612, PSC=400, RWC=n/a, Step=35us

Percom #PHD30T0 HDPT30M.COM
30 Megabyte, Heads=5, Cyls=695, PSC=416, RWC=n/a, Step=35us

DRIVE MANUFACTURER, MODEL #, CAPACITY, & ORGANIZATION FILE NAME
------------------------------------------------------------------------
Rodime 10 Megabyte drive HDRD10M.COM
10 Megabyte, Heads=4, Cyls=320, PSC=0, RWC=n/a, Step=6ms

Rodime 15 Megabyte drive HDRD15M.COM
15 Megabyte, Heads=6, Cyls=320, PSC=0, RWC=n/a, Step=6ms

DRIVE MANUFACTURER, MODEL #, CAPACITY, & ORGANIZATION FILE NAME
------------------------------------------------------------------------
***************************** WARNING! *********************************
* When using any of the WD1002-TAN drivers, if you specify the 'INITF' *
* parameter the ENTIRE HARD DRIVE will be formatted, even if you use *
* the '*' option to reserve space. This is a hardware-dictated action *
* so do not use 'INITF' unless you can afford to lose EVERYTHING on the*
* hard disk drive! *
* *
* All Software Support drivers use the SCSI interface. *
* The OMTI controller is functionally equivalent to the DTC-510B *
* controller and the HDDTC drivers may be used with it. *
* If you don't know which disk controller your Software Support drive *
* uses call (617) 872-9090 for assistance. *
***************************** WARNING! *********************************

Software Support 5 Megabyte with DTC-510B controller HDDTC5M.COM
5 Megabyte, Heads=2, Cyls=306, PSC=128, RWC=n/a, Step=50us

Software Support 5 Megabyte with WD1002-TAN controller HDWD5M.COM
5 Megabyte, Heads=2, Cyls=306, PSC=159, RWC=159, Step=15us

Software Support 5 Megabyte with DTC-510B controller HDDTC5MS.COM
5 Megabyte, Heads=4, Cyls=153, PSC=102, RWC=n/a, Step=3ms


Click here to read the complete article
Re: Montezuma Micro CP/M Hard Drives

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Subject: Re: Montezuma Micro CP/M Hard Drives
From: tlake@twcny.rr.com (Tom Lake)
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 by: Tom Lake - Sat, 22 Apr 2023 17:15 UTC

On Friday, April 21, 2023 at 9:31:03 AM UTC-4, ldkr...@gmail.com wrote:
> Tom,
> In all the files I have for MMCPM231 I did not find the HDRS35.COM. There is a text file with a lot more
> drivers showing. I don't find any of those file either.
> Larry

Hey I finally found HDRS35M.COM!! It's at

https://www.trs-80.com/cgi-bin/down-ok-model4.pl?mmcp22hd.zip

I still can't get it to work to create four partitions, though. The last partition always errors out on track 512.

Re: Montezuma Micro CP/M Hard Drives

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Subject: Re: Montezuma Micro CP/M Hard Drives
From: tlake@twcny.rr.com (Tom Lake)
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 by: Tom Lake - Sat, 22 Apr 2023 17:21 UTC

On Friday, April 21, 2023 at 9:31:03 AM UTC-4, ldkr...@gmail.com wrote:
> Tom,
> In all the files I have for MMCPM231 I did not find the HDRS35.COM. There is a text file with a lot more
> drivers showing. I don't find any of those file either.
> Larry

I finally found HDRS35M.com. It's on an image on Ira Goldklang's TRS-80 site. Go to

https://www.trs-80.com/wordpress/archive-search/

and search for "hard drive support" (minus the quotes)
then download Montezuma Micro CP/M v. 2.2 Hard Drive Support [Original]
That has all the Radio Shack drivers on it. I still can't find the other makers' drivers, though.

Re: Montezuma Micro CP/M Hard Drives

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Subject: Re: Montezuma Micro CP/M Hard Drives
From: ldkraemer@gmail.com (ldkr...@gmail.com)
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 by: ldkr...@gmail.com - Sun, 23 Apr 2023 02:25 UTC

Tom,
THANKS. I have it downloaded.

Larry

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