4.1 Connectors & Jumpers
MIPS® Malta™ User’s Manual, Revision 01.07 27
Copyright © 2000-2007 MIPS Technologies Inc. All rights reserved.
J9 18 pin 0.1” header Front Panel connector. Power LED, HD LED, Power Switch, Reset
Switch. Pin 14 is removed from the connector.
J10 Battery Connector CR2032 Battery Connector used by the RTC (South Bridge).
J12-15 PCI slot Allows insertion of probe board, or PCI board with additional func-
tionality.
J16 AMR slot Allows insertion of audio modem riser (AMR) board.
J17 14 pin 0.1” header
EJTAG connector. As per EJTAG specification, see Ref
[4]. Pin 12 is
removed from the connector.
J18 40 pin 0.1” header Primary IDE interface. Pin 20 is removed from the connector.
J19 40 pin 0.1” header Secondary IDE interface. Pin 20 is removed from the connector.
J20 Compact Flash con-
nector
Compact Flash interface at Secondary IDE interface.
Type I or II module.
J21 34 pin 0.1” header
Floppy Disk interface. Connects to FD via IDC ribbon cable (
7 wires
twisted, PC-style). Drive A support only.
J22 10 pin 0.1” header tty2 (CBUS UART).
J23 AMP 38 pin Mictor HP Logic Analyzer connector (CBUS data).
J24 AMP 38 pin Mictor HP Logic Analyzer connector (CBUS control + address).
J25 AMP 38 pin Mictor HP Logic Analyzer connector (CBUS FPGA).
J26 AMP 38 pin Mictor HP Logic Analyzer connector (Reset + Interrupts).
J27 AMP 38 pin Mictor HP Logic Analyzer connector (JTAG + PCI Arbiter).
J30 3 pin 0.1” header Power LED connector
J31 Compact Flash con-
nector
Compact Flash interface at Secondary IDE interface.
Type I or II module. Alternative fit for J20
Table 4.2 Jumpers
Ref Silkscreen Pins Options Default Description
JP1 MFWR 2 fit-notfit notfit When fitted Enables writing to the Monitor Flash lock
bits from software. It also allows writing
to the Monitor Flash itself, regardless of
the state of the Lock bits.
When not
fitted
Disables writing to the Monitor Flash lock
bits from software.
Table 4.1 Interface Connectors (Continued)
Ref Type Description
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