Atari MEGA STe Technical Information download pdf (Page 37)

Chapter 7. File System Problems and Solutions

In this section we do not cover hardware problems. However in case of problem this is the first thing to

check. For examples: proper connection, proper termination …

The problems reported in Red are usually pretty bad and can cause loss of data on drives.

 I do not see all my drives.

For example when loading a hard disk driver, or when trying to partition only some of the devices

are shown …

As a confirmation you can check the ID of all connected drives by using a utility like the

IDCHECK.PRG provided in the ICD AdSCSI hard disk driver package. These utilities scan the

ASCI bus and eventually the IDE and SCSI busses and report all connected devices.

 First make sure you do not have an ASCI ID conflict. All drives connected to an ASCI bus must

have a unique ID. This includes drives eventually located inside your computer (e.g. Mega

STe.). Beware that not following this rule might result in hard disk data corruption.

 If you are using HDDRIVER make sure that you have

correctly enabled all the devices you are using. This is

done from the Settings menu Devices and Partitions…

command. Make sure that all devices 0.x are checked

(other might be checked too). This will enable the usage of

all the ACSI devices (with IDs from 0 to 7) by HDDRIVER.

 I can only see/access 1GB on my drive

 First check that your host adapter support the ICD extended command set. For example LINK II

or UltraSatan support large drive size but ICD Link I only supports 1GB.

 If you are using a Satan drive the size it reports is incorrectly limited to 1GB. For example if you

use HDDRIVER and a 2GB SD card it will only use the first MB. However as Satan Drive

supports the ICD extend command set, a smart driver as PPDRIVER can access the full 2GB.

 Make sure that your hard disk driver support as well the ICD extended command set. For

example a driver like AHDI can only access 1GB even connected to an UltraSatan drive.

 Data on my drive display incorrectly or get corrupted

 You first have to check your hardware (check if you do not have an Atari with a bad DMA chip)

 If you are using TOS&DOS partitions make sure you use the appropriate driver.

For example if the partitions has been done with HDDRIVER do NOT TRY TO USE the partition

with any other hard disk driver (like ICD or CBHD). This problem will not show immediately but it

might corrupt your complete partition if you try to write beyond the 32MB limit. The rules are

simples: With HDDRIVER TOS&DOS partitions use HDDRIVER driver ONLY. With PPDRIVER

TOS&DOS partitions use PPDRIVER driver ONLY.

 If you see strange names for files and partitions or zero size files… Check that you do not have

hit the 40-folder problem (especially if using TOS 1.0 or TOS 1.2). If you see this problem reset

your system immediately and uses the FOLDRXXX (or equivalent) program.

 If you see some strange name displayed, if you cannot delete a folder that seems empty, if the

size of a folder tree is incorrectly huge… Check that you do not have files with Long File Name

inside this tree. If this is the case BigDOS might help, but most probably you want to fix the

problem by connecting your drive on a Windows system.

 If you are not able to access all the partitions on your drives check that you do not have more

than 14 partitions total on all drives (unless you use BigDOS).

 Performance is not as good as expected

 Performance is always less than expected! But you may want to check some flags in your hard

disk driver.

 When working with Satan or UltraSatan Drives use good quality SD / SDHC card.

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Atari MEGA STe Technical Information Page 37

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