2-12
Computer Group Literature Center Web Site
Installing the CPTM-01
2
4
GND
3
GND
2
GND
1
GND
GND
Table 2-7. Signal Descriptions for the CPTM-01 Backplane Connector (J5
Signal
Signal
Mnemonic
Signal Description
Miscellaneous
AUXVCCn
Auxiliary VCC power, fused at 0.75A maximum
GND
Digital signal ground plane
EIDE (ATA-2),
Secondary
Channel
SDMARQ
Drive DMA request
SDMACK-
Drive DMA acknowledge
SDIOR-
Drive I/O read
SDIOW-
Drive I/O write
SIORDY
Indicates drive is ready for I/O cycle(s)
SDD[15:0]
Drive data lines, bits 15- 0
SDRESET-
Reset signal to drive
SCS1-
Chip select drive 0, also command register block select
SCS3-
Chip select drive 1, also command register block select
SDA[2:0]
Drive register and data port address lines
SINTRQ
Drive interrupt request
Ethernet
RDn+, RDn-
Differential receive lines
TDn+, TDn-
Differential transmit lines
Keyboard/Mou
se Device
MCLK
Clock for PS/2 mouse
MDAT
Serial data line for PS/2 mouse
KBDCLK
Clock for PC/AT or PS/2 keyboard
KBDDAT
Serial data line for PC/AT or PS/2 keyboard
Table 2-6. CPTM-01 Rear I/O Connector (J5)
Pin F
E
D
C
B
A