4 floppy disk drives on a PC?

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Sun Jan 16 19:16:22 2005

On Sun, 16 Jan 2005, Joe R. wrote:
> In a REAL IBM PC? You bet! The original IBM PC Floppy drive controller
> had a 37 pin connector on the back panel. You could connect two drives to
> the internal connector and two to the external connector. Many of the thrid
> party FD controller cards also had the external drive port. Yes DOS will
> recognize the 3rd and 4th drives as C: and D: if no hard drive is
> installed. I don't remember what drive letters it assigns if a HD is
> present but I THINK they will still be C: and D:.

Your choice, depending on the settings of the dip switches on the
If set for 2 drives, then hard disk will be C:, and you'll need to use
DRIVER.SYS or equicalent for the other two floppies.
If set for 4 drives, then hard disk will be E:, and floppies will be A;
through D:.

If you are going to have more than 5 drive letters (including RAMDISKS,
CD-ROMs, etc.) then set LASTDRIVE in CONFIG.SYS.
Received on Sun Jan 16 2005 - 19:16:22 GMT

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