Product Nick Name :PB-13/13H
Microcode Revision :DMA66.EXE
Purpose :Utility
Body
:In the PB-13/13H system area, a switch information is provided 
in order to enable or disable UDMA Mode-4 (66.7MB/s) feature. 
The "UDMA66.EXE" can revise this switch information data. 

Usage : UDMA66 [ENABLE or DISABLE]

If you want to enable UDMA Mode-4, please specify "ENABLE" after 
program name (UDMA66). Otherwise, please specify "DISABLE". 

----------------------------------------------------------------

1) Connect target PB-13/13H drive to ATA bus as MASTER. 
2) Turn on drive power and PC by MS-DOS FDD. 
3) After MS-DOS prompt appears, type the following command. 
A> UDMA66 ENABLE
or
A> UDMA66 DISABLE
4) If the following message appears, UDMA support level is 
revised as your intend. 
"Program Complete. OK."
5) Turn off drive power. 
New setting will be valid after power off -> on.