FUJITSU DISK DRIVES MHM215OAT User Manual
Page 115
Interface
5-38
C141-E104-02EN
Table 5.4 Information to be read by IDENTIFY DEVICE command (7 of 8)
Bits 2-0:
Same definition as WORD 83.
*14 WORD 88
Bit 15-8:
Currently used Ultra DMA transfer mode
Bit 7-0:
Supportable Ultra DMA transfer mode
Bit 4 = '1': Mode 4
Bit 3 = '1': Mode 3
Bit 2 = '1': Mode 2
Bit 1 = '1': Mode 1
Bit 0 = '1': Mode 0
*15 WORD 93
Bits 15-14: Reserved
Bit 13:
'1' = CBLID- is a level higher than V
IH
.
'0' = CBLID- is a level lower than V
IL
.
Bits 12-8: In the case of Device 1 (slave drive), a valid value is set.
Bit 12:
Reserved
Bit 11:
'1' = Device asserts PDIAG-.
Bit 10, 9: Method for deciding the device No. of Device 1.
'00' = Reserved
'01' = Using a jumper.
'10' = Using the CSEL signal.
'11' = Other method.
Bit 8:
Reserved
Bits 7-0:
In the case of Device 0 (master drive), a valid value is set.
Bit 7:
Reserved
Bit 6:
'1' = Device 1 is selected, Device 0 responds.
Bit 5:
'1' = Device 0, assertion of DASP- was detected.
Bit 4:
'1' = Device 0, assertion of PDIAG- was detected.
Bit 3:
'1' = Device 0, an error was not detected in the self-
diagnosis.
Bit 2, 1:
Method for deciding the device No. of Device 0.