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Jumpers and Switches
B-5
Table B–2 TIG/SROM Jumper Descriptions
Jumper
Description
J21
1–2: Load TIG from flash RAM (default)
2–3: Load TIG from serial ROM. This setting allows you to load
the TIG if the flash RAM is corrupted.
J20
Must be in default positions over pins 1 and 2 to enable FSL.
FIR_FUNC2 (bit 2)
1–2 = 0, 2–3 = 1
J22
Jumper for enabling fail-safe loader (FSL)
FIR_FUNC1 (bit 1)
1–2= 0, 2–3= 1
J23
Must be in default positions over pins 1 and 2 to enable FSL.
FIR_FUNC0 (bit 0)
1–2= 0, 2–3 = 1
Firmware Function Table (FIR_FUNC)
Bits 210
Meaning
000
Normal
001
Prevent flash loads. Load from SROM.
010
Load from floppy
111
Lock console. Prevents the writing of flash from CPUs.
Switchpack E296 sets the clock speed for the system motherboard. The settings
should not be changed.
SW1
SW2
SYS_EXT_DELAY1 (off)
SYS_EXT_DELAY0 (on)
SW3
SYS_FILL_DELAY (off)
SW4
CPU_CFWD_PSET (off)
SW5
SW6
PCI_CLK_DIV_IN1 (off)
PCI_CLK_DIV_IN0 (on)
SW7
SW8
SW9
SW10
Y_DIV3 (on)
Y_DIV2 (on)
Y_DIV1 (off)
Y_DIV0 (off)
Summary of Contents for AlphaServer ES40
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Page 170: ...5 8 Compaq AlphaServer ES40 Service Guide Figure 5 4 FRU List Designator ...
Page 172: ...5 10 Compaq AlphaServer ES40 Service Guide Figure 5 5 Evidence Designator ...
Page 184: ...5 22 Compaq AlphaServer ES40 Service Guide Figure 5 7 Display Error Frames Screen ...
Page 193: ...Error Logs 5 31 Figure 5 14 Deleting an Old Error Frame ...
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Page 310: ...8 30 Compaq AlphaServer ES40 Service Guide Figure 8 14 Aligning DIMM in MMB PK0953a ...
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