Ampro Corporation XTX 820 ユーザーズマニュアル
Chapter 3
Hardware
46
Reference Manual
XTX 820
IDE and Auxiliary Interface (J4)
The J4 connector has 100 pins and is used for Primary IDE, Secondary IDE, Ethernet port, RTC/Battery,
speaker, power management, SMBus, and power management interfaces.
speaker, power management, SMBus, and power management interfaces.
IDE Ports
• Supports one Primary EIDE channel (Secondary IDE channel not connected)
• Supports EIDE Ultra DMA 33/66/100 in Master Mode
• Master mode PCI supporting EIDE devices
• Supports ATAPI compliant devices including DVD devices
• PIO IDE transfers up to 14 Mbytes/sec
• Bus Master IDE transfers up to 100 Mbps
• Supports EIDE Ultra DMA 33/66/100 in Master Mode
• Master mode PCI supporting EIDE devices
• Supports ATAPI compliant devices including DVD devices
• PIO IDE transfers up to 14 Mbytes/sec
• Bus Master IDE transfers up to 100 Mbps
The standard 40-pin cable pin-outs are listed in Table 3-24 for J3 connector pin reference. The single
Primary channel can be routed to the IDE connector on the custom baseboard per the application
requirements.
Primary channel can be routed to the IDE connector on the custom baseboard per the application
requirements.
Table 3-24. Simplified Primary IDE Interface Pin/Signal Descriptions (J4)
J4
Pin #
Pin #
Signal
40-
Pin #
Pin #
Description
98
HDRST*
1
Hard Reset – Low active hardware reset (RSTDRV inverted)
GND
2
Ground
96
PIDE_D7
3
Disk Data – These signals (0 to 15) provide the disk data signals
92
PIDE_D8
4
Disk Data 8 – Refer to D7, pin-3, for more information.
88
PIDE_D6
5
Disk Data 6 – Refer to D7, pin-3, for more information.
86
PIDE_D9
6
Disk Data 9 – Refer to D7, pin-3, for more information.
84
PIDE_D5
7
Disk Data 5 – Refer to D7, pin-3, for more information.
80
PIDE_D10
8
Disk Data 10 – Refer to D7, pin-3, for more information.
78
PIDE_D4
9
Disk Data 4 – Refer to D7, pin-3, for more information.
76
PIDE_D11
10
Disk Data 11 – Refer to D7, pin-3, for more information.
74
PIDE_D3
11
Disk Data 3 – Refer to D7, pin-3, for more information.
72
PIDE_D12
12
Disk Data 12 – Refer to D7, pin-3, for more information.
70
PIDE_D2
13
Disk Data 2 – Refer to D7, pin-3, for more information.
68
PIDE_D13
14
Disk Data 13 – Refer to D7, pin-3, for more information.
64
PIDE_D1
15
Disk Data 1 – Refer to D7, pin-3, for more information.
62
PIDE_D14
16
Disk Data 14 – Refer to D7, pin-3, for more information.
60
PIDE_D0
17
Disk Data 0 – Refer to D7, pin-3, for more information.
58
PIDE_D15
18
Disk Data 15 – Refer to D7, pin-3, for more information.
GND
19
Ground
NC
Key
20
Key pin plug
56
PIDE_DRQ
21
DMA Request – Used for DMA transfers between host and drive
(direction of transfer controlled by IOR* and IOW*). Also used in
an asynchronous mode with ACK*. Drive asserts an IRQ when
ready to transfer or receive data.
(direction of transfer controlled by IOR* and IOW*). Also used in
an asynchronous mode with ACK*. Drive asserts an IRQ when
ready to transfer or receive data.