AT&T Globalyst 365TPC (12-10165) Memory Upgrade Faxback Doc. # 17461 System Memory Your computer has 8 MB or 16MB of RAM (depending on the model), which consists of single inline memory modules (SIMMs). Increasing the amount of memory in your computer increases your capabilities for running programs and software applications, especially when you are using Windows 95 applications. Because Windows 95 allows you to run more than one software application at a time, the more memory capacity you will have for running applications. Your computer's MPB contains three banks (six slots) for SIMM upgrades. These allow you to expand the RAM up to 192 MB. Expansion may require the replacement of the factory-installed SIMMs. The SIMM sockets are designed for 4 MB, 8 MB, 16 MB, and 32 MB 72-pin SIMMs. Your computer's SIMM sockets are designed for 32-bit, non-parity SIMMs. The normal configuration is to use single density 32-bit non-parity SIMMs. If double-density SIMMs are used, they should also be housed in the slots beginning with the first slot (bank 0) and working back. Whether you use single-density or double-density slots, you will need to make sure that you populate a bank evenly, so that the two slots that make up the bank have identical SIMM memory configurations. One bank can differ from another bank in the amount of memory that it holds, but the two slots that make up the bank must both be populated, and they must be populated equally. Use only non-parity SIMMs. Main Logic Board Layout Pictured but not present│ ┌────────────────────────────────────────────────────┼─────────────┐ │ ┌────┬──────────────┐ .... ┌.─.─.─.─.└┐ │ │ ┌┐ └────┴──────────────┘ : : └.─.─.─.─.─┘ VGA ├┐ │ ││ ┌─┐: : ┌─────────┐ CN9 ├┘ │ └┘ ┌───────────┐ └─┘ .... └─────────┘ │ │ │ │ ┌─────┐ ┌─────┐ │├┐ F │ │ │ │ │ │ │ LPT││ r │ ─. │ │ │ │ │ │ CN7││ o │ ││ └───────────┘ │ │ │ │ │││ n │ ─.J1 └─────/ └─────/ ├┘ t │ /─────┐ ┌──────\ ┌──────┐ │ │ │ │ │ │ │ │COM2├┐ o │ └─────┘ └──────┘ └──────/ CN6├┘ f │ │ │ ┌──────────┬────────────────────┐COM1├┐ C │ └──────────┴────────────────────┘ CN5├┘ o │ │ m │ MOUSE├┐ p │ ┌────────\┌────────────\ CN4├┘ u │┌─┐ └────────┘│ │ │ t ││ │ ┌────────────────────┐ │ │ ┌────┐KBD├┐ e ││ │ ├──────SIMM 1────────┤ └────────────┘ │ │CN3├┘ r │└17 ├──────SIMM 2────────┤ \────┘ │ │ ├──────SIMM 3────────┤ ooo /──┐ │ │ ├──────SIMM 4────────┤┌───┐ ┌────────────┐ │ │ │ │ ├──────SIMM 5────────┤└───┘ └────────────┘ └──┘ │ │ └──────SIMM 6────────┘┌───┐┌─────────────┐ ┌─────────────┐ │ │ └───┘└─────────────┘ └─────────────┘ │ └──────────────────────────────────────────────────────────────────┘ SIMM TYPE TO FILL EACH BANK ┌─────────────┬─────────────┬─────────────┬────────────┬──────┐ │ Bank 0 │ Bank 1 │ Bank 2 │Total Number│Total │ ├──────┬──────┼──────┬──────┼──────┬──────┤ │ │ │Slot 1│Slot 2│Slot 1│Slot 2│Slot 1│Slot 2│ of SIMMs │ RAM │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │ 4MB │ 4MB │ ---- │ ---- │ ---- │ ---- │ 2 │ 8MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │ 4MB │ 4MB │ 4MB │ 4MB │ ---- │ ---- │ 4 │ 16MB │ │ 8MB │ 8MB │ ---- │ ---- │ ---- │ ---- │ 2 │ 16MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────│ │ 4MB │ 4MB │ 4MB │ 4MB │ 4MB │ 4MB │ 6 │ 24MB │ │ 8MB │ 8MB │ 4MB │ 4MB │ ---- │ ---- │ 4 │ 24MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────│ │ 8MB │ 8MB │ 4MB │ 4MB │ 4MB │ 4MB │ 6 ┤ 32MB │ │ 8MB │ 8MB │ 8MB │ 8MB │ ---- │ ---- │ 4 │ 32MB │ │16MB │16MB │ ---- │ ---- │ ---- │ ---- │ 2 │ 32MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │ 8MB │ 8MB │ 8MB │ 8MB │ 4MB │ 4MB │ 6 │ 40MB │ │16MB │16MB │ 4MB │ 4MB │ ---- │ ---- │ 4 │ 40MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │ 8MB │ 8MB │ 8MB │ 8MB │ 8MB │ 8MB │ 6 ┤ 48MB │ │16MB │16MB │ 4MB │ 4MB │ 4MB │ 4MB │ 6 │ 48MB │ │16MB │16MB │ 8MB │ 8MB │ ---- │ ---- │ 4 │ 48MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │16MB │16MB │ 8MB │ 8MB │ 4MB │ 4MB │ 6 │ 56MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │16MB │16MB │ 8MB │ 8MB │ 8MB │ 8MB │ 6 │ 64MB │ │16MB │16MB │16MB │16MB │ ---- │ ---- │ 4 │ 64MB │ │32MB │32MB │ ---- │ ---- │ ---- │ ---- │ 2 │ 64MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │16MB │16MB │16MB │16MB │ 4MB │ 4MB │ 6 │ 72MB │ │32MB │32MB │ 4MB │ 4MB │ ---- │ ---- │ 4 │ 72MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │16MB │16MB │16MB │16MB │ 8MB │ 8MB │ 6 │ 80MB │ │32MB │32MB │ 4MB │ 4MB │ 4MB │ 4MB │ 6 │ 80MB │ │32MB │32MB │ 8MB │ 8MB │ ---- │ ---- │ 4 │ 80MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │ 8MB │ 8MB │ 4MB │ 4MB │ 6 │ 88MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │16MB │16MB │16MB │16MB │16MB │16MB │ 6 │ 96MB │ │32MB │32MB │ 8MB │ 8MB │ 8MB │ 8MB │ 6 │ 96MB │ │32MB │32MB │16MB- │16MB- │ ---- │ ---- │ 4 │ 96MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │16MB │16MB │ 4MB │ 4MB │ 6 │104MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │16MB │16MB │ 8MB │ 8MB │ 6 │112MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │16MB │16MB │16MB │16MB │ 6 │128MB │ │32MB │32MB │32MB │32MB │ ---- │ ---- │ 4 │128MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │32MB │32MB │ 4MB │ 4MB │ 6 │136MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │32MB │32MB │ 8MB │ 8MB │ 6 │144MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │32MB │32MB │16MB │16MB │ 6 │160MB │ ├──────┼──────┼──────┼──────┼──────┼──────┼────────────┼──────┤ │32MB │32MB │32MB │32MB │32MB │32MB │ 6 │192MB │ └──────┴──────┴──────┴──────┴──────┴──────┴────────────┴──────┘ SIMM memory values are determined by the following configurations of SIMM chips: * 4MB: 1M x 32 * 8MB: 2M x 32 * 16MB: 4M x 32 * 32MB: 8M x 32 The following list indicates manufacturers and part numbers for SIMMs that have been tested on this computer. This list is not exhaustive. * Samsung KMM5324100AV-1 * Samsung KMM5321000BV-7, CV-t * Hyundai 532100AM-t * HYM532200M-7 * NEC 422000A32BA-70 * NEC MC421000A32B-7, BE-7 * Hitachi HB56A132BV-7B * Hitachi HB56A232SBT-7B * Siemens HYM3211105-70,20S-70 * Siemens HYM3221205-70,40S-70 * Siemens HYM3211405-70 ┌──────────────────┐ │Installing SIMMs: │ └──────────────────┘ ° Retain the antistatic packaging the SIMMs are shipped in, in case you later remove SIMMs. Before you begin, carefully read the following steps and the documentation provided with the memory kit. To install SIMMs: 1. Turn off the computer, and disconnect all cables. 2. Discharge any accumulated static electricity from your body by touching a grounded metal object. Then, open the computer. 3. Install each SIMM in the appropriate socket. To install a SIMM in an empty socket, align the notch in the center of the SIMM with the raised area in the center of the socket. Holding the SIMM by the edges, tilt it to a 45-degree angle from the main logic board. Make sure the connectors line up and the module is firmly held at approximately a 45- degree angle. 4. Press the metal-edged connector into the socket, and firmly seat the SIMM. Then, press the top edge of the SIMM toward the retaining clips until the SIMM latches into place. Both sides of the module will "click" when the module locks into place. The newly installed memory module will be locked into the socket in a vertical position with pins showing through the holes on each side. 5. Be sure the internal cables are securely connected and do not cause mechanical interference. Then, close the computer. 6. Reconnect all cables. NOTE: When adding SIMMs to the MPB, you do not have to change the setup. After you have added the new SIMMs, simply reassemble the computer and boot it again. The computer will automatically recognize the new memory. ┌────────────────┐ │Removing SIMMs: │ └────────────────┘ Before removing or rearranging SIMMs, be sure the new configuration is a valid configuration. To remove a SIMM, open the retaining clips by pushing downard on both clips at the same time. The module will release and move forward. Lift the SIMM away from the board. Store the SIMM in an antistatic package. (CC/all-10/17/95)