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Cisco 3600 Series Routers Hardware Installation Guide
(archived)
Installing Power Supplies in Cisco 3600 Series Routers (dead)
Installing the Grounding Lug on Cisco 2600 and Cisco 3600 Series Routers (dead)
Rack or Wall-Mounting Cisco 3600 Series Routers and the Redundant Power System (dead)
Upgrading System Memory in Cisco 3600 Series Routers (dead)
Cisco 2600 and 3600 Hints and Tricks
(archived)
Cisco 3620 and Cisco 3640 Router Quick Start Guide
(archived)
Center-Mount Bracket Installation Guide for Cisco 3640 Series Routers (dead)
Password Recovery Procedure for the Cisco 3600 and 3800 Series Routers (dead)
Auxiliary Port, Console Port, And Adapter Pinouts...
(archived)
Cisco 3600 Series Router Architecture
(archived)
Cisco RPS Hardware Installation Guide
(archived)
Cisco 3640 Board
CR1 PCMCIA Slot 0 and 1 LEDs
CR7,8 Board LEDs (diags? Status?)
J1 AUX 115Kb/s
J2 CON 115Kb/s
J3 BAUD RST - Baud Reset
J4 Dual PCMCIA socket
J6 Board Reset outline
J7 ENV MON (Env Monitor??)
J8 IO_Bus CTL outline
J9 IODATA P..15 outline
J10 GT A CTL outline
J11 R4600 CTL
J12 Watchdog Disable outline
J19,21 Riser Header
J20,22 Riser header
J23 RPS (Redundant Power Supply)
J24 Status LED
P1 Test?
P2 Board power
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P3 NM header
P4 NM Header
PCI Test outlines
Status Active or Ready LEDs
U2 NS PC16552DV Dual UART
U13 PLCC
U14 IDT 79R4700-100DP
U18-21 DRAM 72 pin 60 ns (Tin Lead)
U23,24 Flash
U27 ROM 128/256/512
U28 M48Z128Y-85PM1 128Kx8 NVRAM (alt)
U31 PLCC
U42 Unknown (heatsink)
U43 intel SPD6729QCE PCI-to-PC Card Controller
U50,51,53 Digital 21052-AB PCI-to-PCI bridge
U52 PLCC
U58 PLCC
Y1 3.6864 MHz osc
Y2 50.0000 MHz osc
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J3 BAUD RST - Jumper J3 on the
motherboard of the Cisco 2600 and 3600 Series Routers controls the speed reset.
The factory default position of the shunt shorts pins 2-3. When the shunt is
moved to pins 1-2, the console is reset to 9600 baud on the next power cycle.
The following figures show the location of the console reset jumper, labeled
DUART_RST or BAUD_RST.
Memory
72 pin SIMMs, 60 ns speed, Tin leads. Both non-parity
and parity SIMMs supported. Just to be simple, all one
type or the other.
Cisco 3640 supports either 32- or 64-bit operation.
Router performance is approximately 20 percent slower in
32-bit mode than in 64-bit mode. To use 64-bit mode, you
must install DRAM SIMMs in pairs of the same size.
Generally, basic software feature sets (such as IP) use
32-bit DRAM SIMMs and robust software feature sets (such
as Enterprise) use 64-bit DRAM SIMMs.
Note:
I dimly remember a snippet that the 3640 will support
parity if both SIMMs in a bank are parity. If not, the
bank will be treated as non-parity {Ed}.
Follow these rules to use 64-bit operation:
- SIMMs in banks 0 and 1 must have:
- Same capacity
- Same access time (in nanoseconds).
- SIMMs in banks 2 and 3 must have:
- Same capacity, and the same size or smaller than those in banks 0 and 1
- Same access time (in nanoseconds)
3640 Front View
The main difference between the console and auxiliary
ports is that the auxiliary port supports hardware flow
control and the console port does not. Because the
auxiliary port supports flow control, it is ideally suited
for use with the high-speed transmissions of a modem.
Console terminals transmit at slower speeds than modems;
therefore, the console port is ideally suited for use with
console terminals.
System LED
| Color |
Description |
| Off |
Router
is not receiving power. |
| Blinking
green |
Router
is
running the ROM monitor. No errors detected. |
| Solid
green |
Router
is
operating normally. No errors detected. |
| Amber |
Router
is receiving power but not functioning
properly. Possible POST error or
over-temperature condition detected. |
| Alternating
amber and green |
Power-on
self-test detected. The router is attempting
to reload the ROM monitor. |
RPS LED
| Color |
RPS Status |
| Off |
Not installed. |
| Blinking green |
RPS and power supply are both on. Choose only one by:
- Unplug power supply and use the RPS.
- Turn off RPS and use power supply. RPS can remain connected
|
| Solid green |
Operational. |
Amber
|
Installed but not operational
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ACTIVE, READY, and PCMCIA LEDs in Cisco 3640 Routers
| LED |
Description |
ACTIVE 0, 1, 2, 3, 4, 5, 6
|
Blinks to indicate network activity on the module installed in the
indicated slot. |
| READY 0, 1, 2, 3, 4, 5, 6 |
Functional module installed in indicated slot. If LED is off, slot is empty
or module is not functional. |
| PCMCIA 0, 1 |
Data activity on the indicated PCMCIA slot. |
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