Pch 5121 – Acnodes PCH 5121 User Manual
Page 40
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© Copyright 2011 Acnodes, Inc.
All rights reserved. Product description and product specifications
are subject to change without notice. For latest product information,
please visit Acnodes’ web site at
PCH 5121
12.1” industrial Panel PC
1000-nit Sun light readable screen
IP67 rated fully enclosure
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LBA/Large Mode [Auto]
Use the LBA/Large Mode option to disable or enable BIOS to auto detects LBA (Logical Block Address-
ing). LBA is a method of addressing data on a disk drive. In LBA mode, the maximum drive capacity is 137
GB.
Disabled
BIOS is prevented from using the LBA mode control on the specified channel.
Auto DEFAULT
BIOS auto detects the LBA mode control on the specified channel.
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Block (Multi Sector Transfer) [Auto]
Use the Block (Multi Sector Transfer) to disable or enable BIOS to auto detect if the device supports multi-
sector transfers.
Disabled
BIOS is prevented from using Multi-Sector Transfer on the specified channel. The data
to and from the device occurs one sector at a time.
Auto DEFAULT
BIOS auto detects Multi-Sector Transfer support on the drive on the specified chan
nel. If supported the data transfer to and from the device occurs multiple sectors at a
time.
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PIO Mode [Auto]
Use the PIO Mode option to select the IDE PIO (Programmable I/O) mode program timing cycles between
the IDE drive and the programmable IDE controller. As the PIO mode increases, the cycle time decreases.
Auto DEFAULT
BIOS auto detects the PIO mode. Use this value if the IDE disk drive support cannot
be determined.
0
PIO mode 0 selected with a maximum transfer rate of 3.3 MB/s
1
PIO mode 1 selected with a maximum transfer rate of 5.2 MB/s
2
PIO mode 2 selected with a maximum transfer rate of 8.3 MB/s
3
PIO mode 3 selected with a maximum transfer rate of 11.1 MB/s
4
PIO mode 4 selected with a maximum transfer rate of 16.6 MB/s
(This setting generally works with all hard disk drives
manufactured after 1999. For other disk drives, such as IDE
CD-ROM drives, check the specifications of the drive.)
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DMA Mode [Auto]
Use the DMA Mode BIOS selection to adjust the DMA mode options.
Auto DEFAULT
BIOS auto detects the DMA mode. Use this value if the IDE disk drive support cannot
be determined.