NDA-24296 CHAPTER 2
Page 21
Revision 1.0
SN1695 CPRBF-A
CPU Board
The CPR in IPX-UMG system consists of the following components.
(a) CPU BOARD: Contains System Processor Unit (SP)/Common Main Processor Unit (CMP)/Local
Processor Unit (LP), ROM, and 128 to 256 Mbyte of Random Access Memory
(RAM). This board may also contain PCI MEM (PZ-ME44), the ISAGT (PZ-GT13/
PZ-GT20/PZ-M565) on its Industrial Standard Architecture (ISA) bus, and LANI
(PZ-PC19/PZ-PC22/PZ-PC23) on the Peripheral Component Interconnect (PCI).
(b) DSP: Contains the CPR switches and the CPR status indicator lamps.
(c) FDD/HDD: Floppy Disk Drive (FDD) and Hard Disk Drive (HDD) are mounted on a circuit
card, which, if necessary, can be extracted and/or inserted while the system is in
operation.
Note
(d) PWR: Supplies the operating power to the CPR and also the MISC slots of the SP/CMP/
LP.
Note:
FDD/HDD is not mounted on the CPR of CMP/LP in IPX-UMG system.