* Problem : DE-600's drivers incompitable with COMPAQ contura aero 4/25.
The error message is " IRQ unavailable, ...".
* Reason : DE-600's IRQ line equal printer's status port ACK line.
This line will latch INT when signal level from LOW to HIGH
whenever IRQ ENABLE or DISABLE. So, The 8259 IRR will queue
a INT and driver auto detect IRQ will fail.
* Solution : Issue EOI command before auto detect IRQ line.
; ODI for DOS/OS2 drivers v2.56/v2.51
DE600ODI SYS 21504 08-03-94 6:15p
DE600ODI COM 22377 08-03-94 3:48p
; NDIS for DOS/OS2 drivers v2.37
DE600 DOS 10816 08-03-94 6:02p
DE600 OS2 11493 08-03-94 6:06p
DE620IBM NIF 606 08-03-94 5:39p
; IPX SHEll drivers v2.55
IPXDE600 COM 26613 08-03-94 1:05p
; LANsmart driver v2.55
DE-600 DRV 12199 08-03-94 1:48p
; Packet drivers v3.39b
DE600PD COM 8246 08-03-94 4:40p
DE600PD SYS 8104 08-03-94 4:40p
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.